Federal Capture Intelligence

Top GSA engineering services contractors (NAICS 541330)

Contract actions: October 1, 2021 – October 23, 2026 Updated October 24, 2026 General Services Administration agency guide NAICS 541330 · Engineering Services
Latest 12 months
$192.5M
Net obligations · Down $668.0M vs. $860.5M preceding
Prime contractors
61
With positive obligations in the latest 12 months

Research the GSA federal contracting market for engineering services under NAICS 541330. Compare top federal contractors and market share, reported contract obligations and spending trends, funding-office attribution, recent award activity, contract types, competition, and procurement methods, observed contract vehicle usage, and potential recompete research leads.

Contract obligation trends for engineering services at the General Services Administration

Federal records show $1.7B in net obligations across 1,087 awards in engineering services at the General Services Administration from Oct 1, 2021 through Oct 23, 2026. This market accounts for 4.6% of $36.4B in agency-wide net prime contract obligations over the period shown. Latest 12-month net obligations decreased 77.6% from $860.5M to $192.5M. 10 prime contractors accounted for at least 80% of positive obligations in that latest period.

Fiscal-year activity

FY27 is year-to-date through Oct 23, 2026; earlier years show complete fiscal-year totals.

FY27 year-to-date: $1.5M versus $5.1M through the same date in FY26 (−71.0%).
Net obligations · complete fiscal yearNet obligations · FY27 YTDContract actions
View fiscal-year data table
Fiscal yearNet obligationsContract actionsCoverage
FY2022$189.9M1,190Complete
FY2023$229.0M952Complete
FY2024$212.5M875Complete
FY2025$857.0M730Complete
FY2026$196.1M495Complete

Market at a glance

All reported prime contract awards
All-period net obligations
$1.7B
1,087 awards · 160 prime contractors
Latest 12-month movement
−77.6%
$192.5M vs. $860.5M
Leading eight prime share
75.9%
Share held by the eight leading prime contractors in the latest 12 months
View agency share, denominators, and set-aside reporting
Agency context
4.6% of $36.4B in agency-wide net obligations.
Set-aside share when reported
59.7% of 134 awards with reported set-aside status.
Set-aside reporting
80 set aside · 54 no set-aside · 953 not reported

What changed in the last 12 months?

Oct 24, 2025–Oct 23, 2026, compared with Oct 24, 2024–Oct 23, 2025.

Competitive shifts

AMERESCO INC lost the most market share
45.2%→0.3%−44.9 percentage points
The contractor now ranks #29 by positive obligations, based on 22 reported actions.
APSI CONSTRUCTION MANAGEMENT climbed the most in the contractor rankings
#23→#3Up 20 places
The contractor accounts for 7.4% of positive obligations across 11 reported actions.
CONSTELLATION NEWENERGY INC had no reported activity in the latest 12 months
$119.8M→$0No latest-period activity
It previously ranked #3 by positive obligations, based on 6 reported actions.

Market structure

Top-five contractor share decreased
87.5%→64.1%−23.4 percentage points
Contractors outside the top five now account for 35.9% of positive obligations.

Buyer demand

Reported obligations through PBS R5 ACQUISITION MANAGEMENT DIVISION decreased
$227.5M→$4.9M−$222.6M
Latest-period activity spans 14 awards across 10 prime contractors.

Award activity

AMERESCO INC recorded the largest deobligation action
−$154.1MFeb 24, 2026 action
Reported under PIID 47PF0025F0227 by PBS ENERGY DIVISION. Award net obligations after the action: $217.3M.
View supporting award
View 5 additional material changes

Award activity

AMERESCO INC received an unusually large obligation action
$154.1MFeb 24, 2026 action
Reported under PIID 47PF0025F0227 by PBS ENERGY DIVISION. Award net obligations after the action: $217.3M.
View supporting award

Competitive shifts

HONEYWELL INTERNATIONAL, INC gained the most market share
6.7%→32.4%+25.7 percentage points
The contractor now ranks #1 by positive obligations, based on 13 reported actions.
CONCURRENT TECHNOLOGIES CORP was the largest newly observed contractor
$5.7MLatest 12-month obligations
First observed in this market on May 26, 2026, the contractor now ranks #10 by positive obligations across 7 reported actions.
CONSTELLATION ENERGY SOLUTIONS, LLC recorded the largest net deobligation
$247K→−$4.4M−$4.6M
The contractor now is unranked by positive obligations, based on 9 reported actions.

Buyer demand

Reported obligations through PBS ENERGY DIVISION increased
$36.4M→$79.0M+$42.7M
Latest-period activity spans 10 awards across 7 prime contractors.
How these findings are calculated

Findings are selected from matched-period changes in obligations, share, rank, funding offices, concentration, reported set-asides, material award actions, and agency-peer outliers. Related signals are combined, and only material evidence-backed changes are shown. Review the full methodology.

Federal contract obligations by funding office

See how positive obligations were attributed across funding offices in the 12 months ending Oct 23, 2026.

39.0% of positive obligations were attributed to PBS ENERGY DIVISION. That represents $79.0M, up $42.7M from the preceding 12 months.

Latest 12-month share of positive obligations; the gray segment represents all other reported offices.

  1. PBS ENERGY DIVISION39.0% · $79.0M · up $42.7M
  2. PBS R11 BUILDING SERVICES DIVISION CENTER 17.7% · $15.6M · down $177.6M
  3. PBS PROJECT DELIVERY CAPITAL CONSTRUCTION - BRANCH WEST7.3% · $14.8M · up $14.8M
  4. PBS R1 ACQ MANAGEMENT DIVISION6.4% · $12.9M · up $3.0M
  5. PBS R11 BUILDING SERVICES DIVISION CENTER 36.0% · $12.2M · down $182.4M
  6. All other reported offices33.7% of positive obligations
View reported office rankings, comparisons, and evidence

USAspending assigns each award to a funding office. That office may differ from the requiring activity, program office, contracting office, individual buyer, or actual customer.

  1. Reported funding office

    PBS ENERGY DIVISION

    #1Up 4 from #5

    Latest 12 months

    $79.0M

    39.0% of positive obligations

    Versus preceding 12 months

    +$42.7M

    7 active prime contractors · 10 awards

    View office comparison and evidence

    Reported obligations increased 117.4% from $36.4M to $79.0M. The office’s share of positive obligations moved from 4.2% to 39.0%, a change of +34.7 percentage points.

    The latest period contains 23 actions across 10 awards and 2 newly active prime contractors. The preceding period contained 5 active prime contractors and 6 awards.

    Leading award-level changes

  2. Reported funding office

    PBS R11 BUILDING SERVICES DIVISION CENTER 1

    #2Up 1 from #3

    Latest 12 months

    $15.6M

    7.7% of positive obligations

    Versus preceding 12 months

    −$177.6M

    2 active prime contractors · 2 awards

    View office comparison and evidence

    Reported obligations decreased 91.9% from $193.2M to $15.6M. The office’s share of positive obligations moved from 22.4% to 7.7%, a change of −14.7 percentage points.

    The latest period contains 10 actions across 2 awards. The preceding period contained 4 active prime contractors and 4 awards.

  3. Reported funding office

    PBS PROJECT DELIVERY CAPITAL CONSTRUCTION - BRANCH WEST

    #3New to the positive-obligation ranking

    Latest 12 months

    $14.8M

    7.3% of positive obligations

    Versus preceding 12 months

    +$14.8M

    1 active prime contractor · 2 awards

    View office comparison and evidence

    Reported obligations rose from $0 to $14.8M. The office’s share of positive obligations moved from 0% to 7.3%, a change of +7.3 percentage points.

    The latest period contains 5 actions across 2 awards and 1 newly active prime contractor. The preceding period contained 0 active prime contractors and 0 awards.

  4. Reported funding office

    PBS R1 ACQ MANAGEMENT DIVISION

    #4Up 2 from #6

    Latest 12 months

    $12.9M

    6.4% of positive obligations

    Versus preceding 12 months

    +$3.0M

    11 active prime contractors · 26 awards

    View office comparison and evidence

    Reported obligations increased 30.3% from $9.9M to $12.9M. The office’s share of positive obligations moved from 1.1% to 6.4%, a change of +5.2 percentage points.

    The latest period contains 54 actions across 26 awards and 1 newly active prime contractor. The preceding period contained 16 active prime contractors and 63 awards.

  5. Reported funding office

    PBS R11 BUILDING SERVICES DIVISION CENTER 3

    #5Down 3 from #2

    Latest 12 months

    $12.2M

    6.0% of positive obligations

    Versus preceding 12 months

    −$182.4M

    3 active prime contractors · 3 awards

    View office comparison and evidence

    Reported obligations decreased 93.7% from $194.6M to $12.2M. The office’s share of positive obligations moved from 22.6% to 6.0%, a change of −16.6 percentage points.

    The latest period contains 8 actions across 3 awards. The preceding period contained 6 active prime contractors and 5 awards.

  6. Reported funding office

    PBS R9 AMD ENERGY & NON RECURRING SERVICES

    #6Up 1 from #7

    Latest 12 months

    $8.4M

    4.2% of positive obligations

    Versus preceding 12 months

    +$430K

    3 active prime contractors · 4 awards

    View office comparison and evidence

    Reported obligations increased 5.4% from $8.0M to $8.4M. The office’s share of positive obligations moved from 0.93% to 4.2%, a change of +3.2 percentage points.

    The latest period contains 10 actions across 4 awards. The preceding period contained 4 active prime contractors and 5 awards.

  7. Reported funding office

    PBS R11 BUILDING SERVICES DIVISION CENTER 4

    #7Up 2 from #9

    Latest 12 months

    $7.2M

    3.6% of positive obligations

    Versus preceding 12 months

    +$223K

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations increased 3.2% from $7.0M to $7.2M. The office’s share of positive obligations moved from 0.81% to 3.6%, a change of +2.8 percentage points.

    The latest period contains 2 actions across 1 award. The preceding period contained 1 active prime contractor and 1 award.

  8. Reported funding office

    GSA GAS AAS REGION 6

    #8New to the positive-obligation ranking

    Latest 12 months

    $5.7M

    2.8% of positive obligations

    Versus preceding 12 months

    +$5.7M

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations rose from $0 to $5.7M. The office’s share of positive obligations moved from 0% to 2.8%, a change of +2.8 percentage points.

    The latest period contains 6 actions across 1 award and 1 newly active prime contractor. The preceding period contained 0 active prime contractors and 0 awards.

  9. Reported funding office

    PBS OFFICE OF ACQUISITION MANAGEMENT

    #9New to the positive-obligation ranking

    Latest 12 months

    $5.3M

    2.6% of positive obligations

    Versus preceding 12 months

    +$5.3M

    1 active prime contractor · 2 awards

    View office comparison and evidence

    Reported obligations rose from $0 to $5.3M. The office’s share of positive obligations moved from 0% to 2.6%, a change of +2.6 percentage points.

    The latest period contains 2 actions across 2 awards and 1 newly active prime contractor. The preceding period contained 0 active prime contractors and 0 awards.

  10. Reported funding office

    PBS R5 ACQUISITION MANAGEMENT DIVISION

    #10Down 9 from #1

    Latest 12 months

    $4.9M

    2.4% of positive obligations

    Versus preceding 12 months

    −$222.6M

    10 active prime contractors · 14 awards

    View office comparison and evidence

    Reported obligations decreased 97.9% from $227.5M to $4.9M. The office’s share of positive obligations moved from 26.4% to 2.4%, a change of −24.0 percentage points.

    The latest period contains 29 actions across 14 awards. The preceding period contained 17 active prime contractors and 26 awards.

    Leading award-level changes

  11. Reported funding office

    PBS OFFICE OF FACILITIES MANAGEMENT

    #11New to the positive-obligation ranking

    Latest 12 months

    $4.0M

    2.0% of positive obligations

    Versus preceding 12 months

    +$4.0M

    2 active prime contractors · 2 awards

    View office comparison and evidence

    Reported obligations rose from $0 to $4.0M. The office’s share of positive obligations moved from 0% to 2.0%, a change of +2.0 percentage points.

    The latest period contains 4 actions across 2 awards. The preceding period contained 3 active prime contractors and 3 awards.

  12. Reported funding office

    PBS R11 CONSTRUCTION SERVICES DIVSION CENTER 1

    #17Down 7 from #10

    Latest 12 months

    $1.8M

    0.87% of positive obligations

    Versus preceding 12 months

    −$5.1M

    6 active prime contractors · 12 awards

    View office comparison and evidence

    Reported obligations decreased 74.6% from $6.9M to $1.8M. The office’s share of positive obligations moved from 0.80% to 0.87%, a change of +0.1 percentage points.

    The latest period contains 19 actions across 12 awards and 1 newly active prime contractor. The preceding period contained 5 active prime contractors and 16 awards.

  13. Reported funding office

    PBS R8 ACQUISITION MANAGEMENT DIVISION

    No positive-obligation rank

    Latest 12 months

    −$9.1M

    0% of positive obligations

    Versus preceding 12 months

    −$150.1M

    12 active prime contractors · 15 awards

    View office comparison and evidence

    Reported obligations moved from $141.0M in net obligations to $9.1M in net deobligations. The office’s share of positive obligations moved from 16.4% to 0%, a change of −16.4 percentage points.

    The latest period contains 30 actions across 15 awards and 1 newly active prime contractor. The preceding period contained 18 active prime contractors and 25 awards.

Contract types, competition, and procurement methods

From Oct 24, 2025 through Oct 23, 2026, 158 awards had positive obligations totaling $213.3M. Subject to Multiple Award Fair Opportunity was the leading reported procedure, accounting for 71.0% of positive obligations. Awards with a reported parent IDV accounted for 98.0%. Reported awards used contract vehicles such as ESPC Gen4, OASIS, and GENERAL SERVICES ADMINISTRATION, PUBLIC.

Leading award type
73.3%
Delivery Order
Leading reported procedure
71.0%
Subject to Multiple Award Fair Opportunity
Reported parent IDV
98.0%
of positive obligations had a reported parent IDV
Median reported offers
3
124 of 158 awards reported offers

Observed contract vehicles

Only exact reported parent-PIID matches are shown; missing parent IDs are not inferred.

Buying method changes

Compared with Oct 24, 2024–Oct 23, 2025. Based on 158 current awards and 181 preceding awards with positive net obligations.

Exactly matched vehicle obligation share
14.0%
Down from 76.0% in the preceding period
Subject to Multiple Award Fair Opportunity obligation share
71.0%
Down from 94.2% in the preceding period
How to read these changes

Directional color and the Up or Down labels show historical movement only. Green does not mean favorable and red does not mean unfavorable; neither predicts a future procurement method.

Same-NAICS comparison

Compared with the NAICS 541330 peer median, parent-IDV obligation share is 17.7 percentage points higher, reported full-and-open obligation share is 57.5 percentage points higher, delivery-order obligation share is 4.7 percentage points higher, and median positive award obligations are 43.7% lower.

MeasureThis marketPeer medianDifference
Parent-IDV obligation share98.0%80.3%+17.7 pts
Reported full-and-open obligation share71.6%14.1%+57.5 pts
Delivery-order obligation share73.3%68.5%+4.7 pts
Median positive award obligations$169K$300K-43.7%
Peer cohort and comparison limits

The peer median gives each of the 15 eligible agency markets equal weight. The included agency markets are:

Agency mission, scale, and acquisition context can differ. Peer position does not establish market attractiveness or predict a future procurement method.

View buying-method details and data coverage

Award types

Reported valueAwardsPositive obligationsShare
Delivery Order(C)103$156.3M73.3%
BPA Call(A)44$52.7M24.7%
Definitive Contract(D)5$3.9M1.8%
Purchase Order(B)6$428K0.20%

Reported parent-award types

Reported valueAwardsPositive obligationsShare
IDC(B)85$150.1M70.4%
BPA(E)44$52.7M24.7%
FSS(C)18$6.2M2.9%
Not reported11$4.3M2.0%

Single- or multiple-award parent structure

Reported valueAwardsPositive obligationsShare
Multiple Award(M)114$204.5M95.9%
Single Award(S)33$4.5M2.1%
Not reported11$4.3M2.0%

Solicitation procedures

Reported valueAwardsPositive obligationsShare
Subject to Multiple Award Fair Opportunity(MAFO)65$151.4M71.0%
Mafo(SUBJECT TO MULTIPLE AWARD FAIR OPPORTUNITY)49$53.1M24.9%
Negotiated Proposal/Quote(NP)1$2.9M1.4%
Ae(ARCHITECT-ENGINEER FAR 6.102)12$2.9M1.4%
Architect-Engineer FAR 6.102(AE)18$1.5M0.68%
Only One Source(SSS)6$1.0M0.48%
Other reported values7$461K0.22%

Extent competed

Reported valueAwardsPositive obligationsShare
Full and Open Competition(A)52$152.6M71.6%
A(FULL AND OPEN COMPETITION)38$52.1M24.4%
D(FULL AND OPEN COMPETITION AFTER EXCLUSION OF SOURCES)24$4.2M2.0%
Full and Open Competition After Exclusion of Sources(D)33$3.2M1.5%
Not Available for Competition(B)5$885K0.41%
Not Competed(C)1$129K0.060%
Other reported values5$123K0.058%

Fair-opportunity and limited-source reporting

Reported valueAwardsPositive obligationsShare
Fair Opportunity Given(FAIR)99$187.5M87.9%
Follow-on Action Following Competitive Initial Action(FOO)6$12.8M6.0%
Competitive Set Aside(CSA)5$2.1M1.0%
Only One Source - Other(ONE)1$1.0M0.47%
Other Statutory Authority(OSA)1$879K0.41%
Minimum Guarantee(MG)2$184K0.090%
Not reported44$8.7M4.1%

Other-than-full-and-open reasons

Reported valueAwardsPositive obligationsShare
Authorized by Statute (FAR 6.302-5(A)(2)(I))(OTH)5$885K0.41%
Only One Source-Other (FAR 6.302-1 Other)(ONE)1$129K0.060%
SAP Non-Competition (FAR 13)(SP2)5$123K0.060%
Not reported147$212.1M99.5%

Contract pricing types

Reported valueAwardsPositive obligationsShare
Firm Fixed Price(J)93$151.7M71.1%
J(FIRM FIXED PRICE)62$56.2M26.4%
Labor Hours(Z)2$5.3M2.5%
K(FIXED PRICE WITH ECONOMIC PRICE ADJUSTMENT)1$60K0.030%

Product or Service Codes

Reported valueAwardsPositive obligationsShare
Repair or Alteration of Office Buildings(Z2AA)33$104.4M48.9%
Special Studies/Analysis- Building Technology(B540)18$41.9M19.7%
Support- Professional: Other(R499)25$21.4M10.0%
Support- Professional: Engineering/Technical(R425)10$14.5M6.8%
Architect and Engineering- Construction: Office Buildings(C1AA)27$12.5M5.9%
Support- Professional: Program Evaluation/Review/Development(R410)1$5.7M2.7%
Other reported values44$12.8M6.0%

Awarding subagencies

Reported valueAwardsPositive obligationsShare
Public Buildings Service(4740)155$207.0M97.1%
Federal Acquisition Service(4732)2$5.8M2.7%
Office of Administrative Services(4773)1$435K0.20%

Awarding offices

Reported valueAwardsPositive obligationsShare
Pbs R11 Building Services Division Center 1(47PM05)2$64.3M30.1%
Pbs Energy Division(47PA10)19$44.4M20.8%
Pbs R11 Building Services Division Center 3(47PM07)2$21.9M10.3%
Pbs Project Delivery Capital Construction - Branch West(47PB54)3$16.3M7.6%
Pbs R1 Acq Management Division(47PB00)10$12.9M6.1%
Pbs R11 Building Services Division Center 4(47PM08)1$7.2M3.4%
Other reported values121$46.3M21.7%

Reported parent IDVs

Reported valueAwardsPositive obligationsShare
DEAM3609GO29035(8900)3$63.9M30.0%
DEAM3698GO10352(8900)2$19.6M9.2%
47PD0224A0003(4740)2$14.8M6.9%
DEAM3609GO29044(8900)2$14.2M6.7%
47PB0023A0002(4740)1$11.9M5.6%
DEAM3609GO29029(8900)4$10.6M5.0%
DEEE0008029(8900)1$9.5M4.5%
47PD0224A0008(4740)6$6.7M3.1%
Other reported values126$57.7M27.1%
Not reported11$4.3M2.0%

Exact vehicle-match evidence

Reported award data linked 12 awards to a specific catalog vehicle.

Offers, award size, and timing

Median reported offers
3 median
124 reported · 34 not reported
Positive award obligations
$169K median
$46K–$664K middle 50%
Reported performance period
905 days (~2.5 years) median
158 reported · 0 not reported

Calculations group latest-period actions by award, retain awards with positive net obligations for share denominators, and use each award's latest reported USAspending procurement fields as of Oct 23, 2026. Blank competition, pricing, PSC, or parent-IDV values remain not reported; they are not inferred. Offer counts must be positive and below the FPDS 999 placeholder. Awarding organizations can differ from the funding agency that defines this page.

Top federal contractors

Latest 12-month market share, concentration, and complete prime contractor rankings across the period shown.

Prime contractor concentration
10 of 61prime contractors account for at least 80% of positive obligations in the last 12 months
Largest prime contractor
32.4%of positive obligations in the last 12 months
Leading four prime contractors
56.9%of positive obligations in the last 12 months
Leading eight prime contractors
75.9%of positive obligations in the last 12 months

Based on $198.0M in positive obligations during the 12 months ending Oct 23, 2026. Individual shares and movement appear in the searchable rankings below. Movement compares with Oct 24, 2024–Oct 23, 2025.

Last 12mo obligation volume: Highest positive obligations first; net deobligations follow by magnitude; contractors with no activity in the last 12 months follow by all-period obligations. Ranks use the complete contractor list and remain fixed when search narrows the results.

15 leading contractors
  1. #1

    Last 12mo obligations

    $64.0M

    32.4%

    Dollar movement

    +$6.3M

    vs. prior 12 months

    Last 12mo awards

    7 awards

    13 actions

    Historical and award details for HONEYWELL INTERNATIONAL, INC
    Obligations: prior → latest
    $57.7M → $64.0M
    +11.0%
    Share: prior → latest
    6.7% → 32.4%
    +25.7 percentage points
    All-period obligations
    $282.2M
    16.7% of all-period positive obligations · 14 awards
    Recorded activity
    Since Nov 3, 2021
    through Sep 29, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside40
    Not reported34
    Reported small business00
    All-period set-aside types

    None reported.

  2. #2

    Last 12mo obligations

    $19.6M

    9.9%

    Dollar movement

    +$568K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    3 actions

    Historical and award details for HONEYWELL BUILDING SOLUTIONS SES CORP
    Obligations: prior → latest
    $19.0M → $19.6M
    +3.0%
    Share: prior → latest
    2.2% → 9.9%
    +7.7 percentage points
    All-period obligations
    $92.3M
    5.5% of all-period positive obligations · 3 awards
    Recorded activity
    Since Nov 9, 2021
    through Feb 27, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported22
    Reported small business00
    All-period set-aside types

    None reported.

  3. #3

    Last 12mo obligations

    $14.6M

    7.4%

    Dollar movement

    +$13.4M

    vs. prior 12 months

    Last 12mo awards

    5 awards

    11 actions

    Historical and award details for APSI CONSTRUCTION MANAGEMENT
    Obligations: prior → latest
    $1.2M → $14.6M
    +1137.2%
    Share: prior → latest
    0.14% → 7.4%
    +7.2 percentage points
    All-period obligations
    $19.6M
    1.2% of all-period positive obligations · 17 awards
    Recorded activity
    Since Oct 14, 2021
    through Jun 22, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside11
    Reported no set-aside00
    Not reported43
    Reported small business54
    All-period set-aside types
    • 2 · Total small business
  4. #4

    Last 12mo obligations

    $14.5M

    7.3%

    Dollar movement

    +$8.0M

    vs. prior 12 months

    Last 12mo awards

    4 awards

    9 actions

    Historical and award details for JACOBS ENGINEERING GROUP INC.
    Obligations: prior → latest
    $6.4M → $14.5M
    +124.5%
    Share: prior → latest
    0.75% → 7.3%
    +6.5 percentage points
    All-period obligations
    $24.0M
    1.4% of all-period positive obligations · 8 awards
    Recorded activity
    Since Sep 26, 2023
    through Oct 19, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported44
    Reported small business00
    All-period set-aside types

    None reported.

  5. #5

    Last 12mo obligations

    $14.2M

    7.2%

    Dollar movement

    +$4.4M

    vs. prior 12 months

    Last 12mo awards

    2 awards

    5 actions

    Historical and award details for TRANE U.S. INC.
    Obligations: prior → latest
    $9.8M → $14.2M
    +44.7%
    Share: prior → latest
    1.1% → 7.2%
    +6.0 percentage points
    All-period obligations
    $59.9M
    3.5% of all-period positive obligations · 4 awards
    Recorded activity
    Since Nov 10, 2021
    through Sep 28, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported22
    Reported small business00
    All-period set-aside types

    None reported.

  6. #6

    Last 12mo obligations

    $9.5M

    4.8%

    Dollar movement

    −$147.7M

    vs. prior 12 months

    Last 12mo awards

    1 award

    6 actions

    Historical and award details for CEG SOLUTIONS LLC
    Obligations: prior → latest
    $157.2M → $9.5M
    −94.0%
    Share: prior → latest
    18.2% → 4.8%
    −13.4 percentage points
    All-period obligations
    $166.7M
    9.9% of all-period positive obligations · 1 award
    Recorded activity
    Since Dec 18, 2024
    through Mar 26, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported11
    Reported small business00
    All-period set-aside types

    None reported.

  7. #7

    Last 12mo obligations

    $7.2M

    3.6%

    Dollar movement

    −$9.4M

    vs. prior 12 months

    Last 12mo awards

    14 awards

    24 actions

    Historical and award details for AECOM TECHNICAL SERVICES, INC.
    Obligations: prior → latest
    $16.6M → $7.2M
    −56.6%
    Share: prior → latest
    1.9% → 3.6%
    +1.7 percentage points
    All-period obligations
    $46.0M
    2.7% of all-period positive obligations · 35 awards
    Recorded activity
    Since Oct 5, 2021
    through Oct 21, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported1412
    Reported small business00
    All-period set-aside types

    None reported.

  8. #8

    Last 12mo obligations

    $6.7M

    3.4%

    Dollar movement

    +$3.2M

    vs. prior 12 months

    Last 12mo awards

    21 awards

    38 actions

    Historical and award details for AFG GROUP INC.
    Obligations: prior → latest
    $3.5M → $6.7M
    +89.3%
    Share: prior → latest
    0.41% → 3.4%
    +3.0 percentage points
    All-period obligations
    $25.0M
    1.5% of all-period positive obligations · 79 awards
    Recorded activity
    Since Oct 6, 2021
    through Oct 21, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside68
    Reported no set-aside00
    Not reported1519
    Reported small business2127
    All-period set-aside types
    • 13 · Total small business
    • 3 · WOSB set-aside
    • 1 · Partial small business
  9. #9

    Last 12mo obligations

    $6.3M

    3.2%

    Dollar movement

    −$23.9M

    vs. prior 12 months

    Last 12mo awards

    3 awards

    7 actions

    Historical and award details for JOHNSON CONTROLS GOVERNMENT SYSTEMS, LLC
    Obligations: prior → latest
    $30.3M → $6.3M
    −79.1%
    Share: prior → latest
    3.5% → 3.2%
    −0.3 percentage points
    All-period obligations
    $84.0M
    5.0% of all-period positive obligations · 5 awards
    Recorded activity
    Since Nov 12, 2021
    through Aug 12, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported33
    Reported small business00
    All-period set-aside types

    None reported.

  10. #10

    Last 12mo obligations

    $5.7M

    2.9%

    Dollar movement

    +$5.7M

    vs. prior 12 months

    Last 12mo awards

    1 award

    7 actions

    Historical and award details for CONCURRENT TECHNOLOGIES CORP
    Obligations: prior → latest
    $0 → $5.7M
    Not comparable
    Share: prior → latest
    0% → 2.9%
    +2.9 percentage points
    All-period obligations
    $5.7M
    0.34% of all-period positive obligations · 1 award
    Recorded activity
    Since May 26, 2026
    through Sep 23, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported10
    Reported small business00
    All-period set-aside types

    None reported.

  11. #11

    Last 12mo obligations

    $3.9M

    1.9%

    Dollar movement

    −$1.5M

    vs. prior 12 months

    Last 12mo awards

    2 awards

    4 actions

    Historical and award details for SIEMENS GOVERNMENT TECHNOLOGIES INC
    Obligations: prior → latest
    $5.4M → $3.9M
    −28.5%
    Share: prior → latest
    0.63% → 1.9%
    +1.3 percentage points
    All-period obligations
    $20.4M
    1.2% of all-period positive obligations · 6 awards
    Recorded activity
    Since Oct 21, 2021
    through Aug 10, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported23
    Reported small business00
    All-period set-aside types

    None reported.

  12. #12

    Last 12mo obligations

    $3.2M

    1.6%

    Dollar movement

    +$93K

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for NORESCO, LLC
    Obligations: prior → latest
    $3.1M → $3.2M
    +3.0%
    Share: prior → latest
    0.36% → 1.6%
    +1.3 percentage points
    All-period obligations
    $16.3M
    0.97% of all-period positive obligations · 3 awards
    Recorded activity
    Since May 13, 2022
    through Jun 29, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported11
    Reported small business00
    All-period set-aside types

    None reported.

  13. #13

    Last 12mo obligations

    $2.9M

    1.5%

    Dollar movement

    −$897K

    vs. prior 12 months

    Last 12mo awards

    1 award

    3 actions

    Historical and award details for ABM INDUSTRIES INC
    Obligations: prior → latest
    $3.8M → $2.9M
    −23.5%
    Share: prior → latest
    0.44% → 1.5%
    +1.0 percentage points
    All-period obligations
    $10.5M
    0.62% of all-period positive obligations · 1 award
    Recorded activity
    Since Jun 4, 2024
    through Jul 28, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside11
    Not reported00
    Reported small business00
    All-period set-aside types

    None reported.

  14. #14

    Last 12mo obligations

    $2.4M

    1.2%

    Dollar movement

    +$2.1M

    vs. prior 12 months

    Last 12mo awards

    7 awards

    12 actions

    Historical and award details for GENCO SYSTEMS INC
    Obligations: prior → latest
    $309K → $2.4M
    +675.3%
    Share: prior → latest
    0.040% → 1.2%
    +1.2 percentage points
    All-period obligations
    $9.0M
    0.53% of all-period positive obligations · 21 awards
    Recorded activity
    Since Oct 27, 2021
    through Sep 21, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported73
    Reported small business73
    All-period set-aside types
    • 1 · Total small business
  15. #15

    Last 12mo obligations

    $2.2M

    1.1%

    Dollar movement

    −$3.0M

    vs. prior 12 months

    Last 12mo awards

    6 awards

    11 actions

    Historical and award details for JOHNSON, MIRMIRAN & THOMPSON, INC.
    Obligations: prior → latest
    $5.3M → $2.2M
    −57.6%
    Share: prior → latest
    0.61% → 1.1%
    +0.5 percentage points
    All-period obligations
    $13.4M
    0.80% of all-period positive obligations · 21 awards
    Recorded activity
    Since Nov 9, 2021
    through Sep 29, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported66
    Reported small business00
    All-period set-aside types

    None reported.

Potential federal contract recompetes

Investigate potential recompetes surfaced by near-term end dates, award value, and recent contract changes.

HONEYWELL BUILDING SOLUTIONS SES CORP

FUNDING MODIFICATION FOR DEBT SERVICE YEAR 23 (2026)

$40.1M is obligated on an award with a reported potential end date of February 29, 2028.

Performance period

81.1%

As of Oct 23, 2026Potential end Feb 29, 2028

Current award value as a share of potential value

94.1%

$40.1M current$42.6M potential
Supporting data

Reported performance starts Jan 1, 2021.

Current performance is reported through Dec 31, 2026.

$40.1M is obligated against $40.1M in current reported award value (100.0%).

Obligations are compared with current reported award value, not treated as a contract ceiling.

PIID 47PM0721F0053

These are research leads, not confirmed recompetes. USAspending records through Oct 23, 2026; reported dates and values can change through later modifications.

Recent federal contract award activity

Recent contract actions with unusually large obligation changes or meaningful shifts in contractor and funding-office activity.

Modification

This action

+$154.1M

AMERESCO INC

PBS ENERGY DIVISION

ENERGY SAVINGS PERFORMANCE CONTRACT IN IL MN WI PARTIAL TERMINATION. WORK AT 11 BUILDINGS REMOVED FROM SCOPE. TOTAL CONTRACT VALUE HAS BEEN REDUCED BY 80,406,444. PERFORMANCE PERIOD WAS REDUCED FROM 11-2048 TO 12-2043. MOD PS0003

Why it stands out

One action equaled at least half of the market’s latest 12-month positive obligations.

The $154.1M action represented 77.8% of the market’s positive obligations over the latest 12 months.

Award net obligations
$217.3M
Share of 12-month positive obligations
77.8%
Supporting data
Prime contractor
#29 · 0.28% share
$388.8M net decline despite this positive action
Funding office
#1 · 39.0% attributed share
up 4 ranks · +34.7 percentage points · $42.7M net increase; action exceeded it by $111.4M
Related:Largest deobligation actionUnusually large action
PIID 47PF0025F0227 · Mod PS0003
Modification

This action

+$52.0M

HONEYWELL INTERNATIONAL, INC

PBS ENERGY DIVISION

YEAR 13 ANNUAL FUNDING MODIFICATION FOR DEBT SERVICE AND PERFORMANCE PERIOD EXPENSES.

Why it stands out

One action equaled at least a quarter of the market’s latest 12-month positive obligations.

The $52.0M action represented 26.3% of the market’s positive obligations over the latest 12 months.

Award net obligations
$323.0M
Share of 12-month positive obligations
26.3%
Supporting data
Prime contractor
#1 · 32.4% share
up 3 ranks · +25.7 percentage points · $6.3M net increase; action exceeded it by $45.6M
Related:Largest share gain
PIID 47PM0721F0110 · Mod PO0032
Deobligation

This action

−$108.7M

CONSTELLATION ENERGY SOLUTIONS, LLC

PBS R11 BUILDING SERVICES DIVISION CENTER 3

DE OBLIGATION OF IRA FUNDS FOR NDER 6 R11

Why it stands out

This award recorded a material contraction.

The action removed $108.7M. A deobligation does not by itself show lower requirement demand.

Award net obligations
$114.8M
Share of 12-month positive obligations
54.9%
Supporting data
Funding office
#5 · 6.0% attributed share
down 3 ranks · −16.6 percentage points · $182.4M net decline; action accounted for 59.6%
PIID 47PM0725F0008 · Mod PA0012
Modification

This action

+$4.9M

CONCURRENT TECHNOLOGIES CORP

GSA GAS AAS REGION 6

OUSD SOHMATS ORDER

Why it stands out

No activity for this contractor was reported in this market during the preceding 12 months.

The modification placed the contractor #10 in this market by positive obligations over the latest 12 months.

Award net obligations
$51.2M
Share of 12-month positive obligations
2.5%
Supporting data
Prime contractor
#10 · 2.9% share
Newly active in this market; no actions were reported in the preceding 12 months
Funding office
#8 · 2.8% attributed share
+2.8 percentage points · $5.7M net increase; action accounted for 85.6%
Related:Largest newly observed contractor
PIID 47QFHA23F0010 · Mod P00010
Base award

This action

+$8.3M

JACOBS ENGINEERING GROUP INC.

PBS PROJECT DELIVERY CAPITAL CONSTRUCTION - BRANCH WEST

RAUL HECTOR CASTRO LAND PORT OF ENTRY EXPANSION AND MODERNIZATION PROJECT. CONSTRUCTION MANAGER ADVISOR & COMMISSIONING PROVIDER FOR DESIGN BUILD PROJECT DELIVERY. SOLICITATION # 47PK0125Q0008, BASE AWARD NO. 47PD0224A0003, BPA CALL # 47PB5426F0002.

Why it stands out

The contractor climbed 6 positions in this market.

It now ranks #4 by positive obligations over the latest 12 months.

Award net obligations
$8.5M
Share of 12-month positive obligations
4.2%
Supporting data
Prime contractor
#4 · 7.3% share
up 6 ranks · +6.5 percentage points · $8.0M net increase; action exceeded it by $272K
Funding office
#3 · 7.3% attributed share
+7.3 percentage points · $14.8M net increase; action accounted for 56.0%
PIID 47PB5426F0002
Deobligation

This action

−$15.2M

CEG SOLUTIONS LLC

PBS R11 BUILDING SERVICES DIVISION CENTER 1

COST TRANSFER MODIFICATION TO REALLOCATE IRA FUNDS TO DIFFERENT CLIN STEP 1 OF 2

Why it stands out

This award recorded a material contraction.

The action removed $15.2M. A deobligation does not by itself show lower requirement demand.

Award net obligations
$166.7M
Share of 12-month positive obligations
7.7%
Supporting data
Prime contractor
#6 · 4.8% share
down 4 ranks · −13.4 percentage points · $147.7M net decline; action accounted for 10.3%
Funding office
#2 · 7.7% attributed share
up 1 rank · −14.7 percentage points · $177.6M net decline; action accounted for 8.5%
PIID 47PM0725F0023 · Mod PO0006
View recent award activity by date (10)
  1. AFG GROUP INC.Modification · PIID 47PC0322F0015
    Action+$24K
    Award net obligations$2.3M
  2. AFG GROUP INC.Base award · PIID 47PJ5127F0001
    Action+$1.1M
    Award net obligations$1.1M
  3. AFG GROUP INC.Modification · PIID 47PM0219F0005
    Action+$43K
    Award net obligations$3.9M
  4. JACOBS ENGINEERING GROUP INC.Modification · PIID 47PB5426F0002
    Action+$171K
    Award net obligations$8.5M
  5. SUMMER CONSULTANTS, INC.Modification · PIID 47PC5126F0302
    Action+$53K
    Award net obligations$475K
  6. HILL INTERNATIONAL, INC.Modification · PIID 47PF0021F0297
    Action+$23K
    Award net obligations$1.3M
  7. COAST AND HARBOR ASSOCIATES, INCModification · PIID 47PB0025F0456
    Action+$37K
    Award net obligations$315K
  8. JOHNSON, MIRMIRAN & THOMPSON, INC.Modification · PIID 47PM0125F0013
    Action+$1.8M
    Award net obligations$7.1M
  9. ABM FACILITY SUPPORT SERVICES, LLCModification · PIID 47PE0020F0006
    Action+$1.3M
    Award net obligations$20.7M
  10. HONEYWELL INTERNATIONAL, INCModification · PIID GSP0816JE7140
    Action+$1.2M
    Award net obligations$11.6M

GSA engineering services market FAQs

Answers based on reported federal contract data.

Who are the top GSA engineering services contractors?

In the 12 months through October 23, 2026, HONEYWELL INTERNATIONAL, INC, HONEYWELL BUILDING SOLUTIONS SES CORP, and APSI CONSTRUCTION MANAGEMENT were the leading GSA engineering services prime contractors by positive obligations.

  1. #1

    HONEYWELL INTERNATIONAL, INC

    $64,040,205 in positive obligations

  2. #2

    HONEYWELL BUILDING SOLUTIONS SES CORP

    $19,586,173 in positive obligations

  3. #3

    APSI CONSTRUCTION MANAGEMENT

    $14,592,870 in positive obligations

Rankings use reported USAspending award data.

Did GSA contract obligations decrease in the engineering services market?

Yes. Measured by net prime contract obligations, reported GSA activity in the engineering services market decreased 77.6% from $860,508,268 in the preceding 12 months to $192,486,783 in the 12 months through October 23, 2026.

Latest 12 months
$192,486,783
Net prime contract obligations
Preceding 12 months
$860,508,268
Net prime contract obligations
Change
−77.6%
Between matched 12-month periods

Reported contract actions, not outlays or a forecast.

What recent GSA contract award activity was reported in the engineering services market?

Recent GSA contract award activity reported in the engineering services market included actions for AMERESCO INC, HONEYWELL INTERNATIONAL, INC, and CONSTELLATION ENERGY SOLUTIONS, LLC during the 12 months through October 23, 2026.

Action obligations are transaction-level amounts, not current award-level obligations.

Which procurement methods were reported for GSA contracts under NAICS 541330?

From October 24, 2025 through October 23, 2026, GSA reported 158 positive-obligation awards for engineering services under NAICS 541330. The leading award type was delivery order. The leading reported procedure was subject to multiple award fair opportunity.

Positive-obligation awards
158
Leading reported procedure
Subject to Multiple Award Fair Opportunity
71% of positive obligations
Leading award type
Delivery Order
73.3% of positive obligations
Full and open
71.6%
of positive obligations
Reported parent IDV
98%
of positive obligations
Observed vehicles
ESPC Gen4, OASIS, and GENERAL SERVICES ADMINISTRATION, PUBLIC
Exact matches from reported parent PIIDs

Percentages use positive obligations as the denominator.

Which GSA engineering services awards may warrant recompete research?

Based on its reported potential-end date, the GSA engineering services award held by HONEYWELL BUILDING SOLUTIONS SES CORP may warrant recompete research.

Research leads, not confirmed recompetes. Dates may change through later modifications.

Apply this research to a live pursuit

Sweetspot connects opportunity qualification, competitive research, capture, and proposal work in one workspace.

See Sweetspot in action

Related market research

Complete market indexes:

Same NAICS at other agencies:

Nearby NAICS at this agency:

Markets sharing leading prime records:

Leading-prime vehicle memberships:

Company memberships do not establish award-channel use.

Reported obligations include contract actions from October 1, 2021 through October 23, 2026. Set-aside and business-size fields reflect award records, not a contractor's current eligibility.

Review data methodology