Federal Capture Intelligence

Top EPA engineering services contractors (NAICS 541330)

Contract actions: October 1, 2021 – October 23, 2026 Updated October 24, 2026 Environmental Protection Agency agency guide NAICS 541330 · Engineering Services
Latest 12 months
$58.1M
Net obligations · Down $6.8M vs. $64.9M preceding
Prime contractors
30
With positive obligations in the latest 12 months

Research the EPA 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, and observed contract vehicle usage.

Contract obligation trends for Engineering Services at the Environmental Protection Agency

Federal records show $347.4M in net obligations across 481 awards in Engineering Services at the Environmental Protection Agency from Oct 1, 2021 through Oct 23, 2026. This market accounts for 3.2% of $11.0B in agency-wide net prime contract obligations over the period shown. Latest 12-month net obligations decreased 10.4% from $64.9M to $58.1M. 11 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: $2.1M versus −$212K through the same date in FY26 (Not comparable).
Net obligations · complete fiscal yearNet obligations · FY27 YTDContract actions
View fiscal-year data table
Fiscal yearNet obligationsContract actionsCoverage
FY2022$72.8M399Complete
FY2023$80.9M346Complete
FY2024$69.9M383Complete
FY2025$65.8M348Complete
FY2026$55.8M276Complete

Market at a glance

All reported prime contract awards
All-period net obligations
$347.4M
481 awards · 73 prime contractors
Latest 12-month movement
−10.4%
$58.1M vs. $64.9M
Leading eight prime share
68.7%
Share held by the eight leading prime contractors in the latest 12 months
View agency share, denominators, and set-aside reporting
Agency context
3.2% of $11.0B in agency-wide net obligations.
Set-aside share when reported
43.5% of 46 awards with reported set-aside status.
Set-aside reporting
20 set aside · 26 no set-aside · 435 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

WSP USA SOLUTIONS INC lost the most market share
20.85%→7.31%−13.5 percentage points
The contractor now ranks #6 by positive obligations, based on 8 reported actions.
ARCADIS U.S., INC. climbed the most in the contractor rankings
#22→#4Up 18 places
The contractor accounts for 7.9% of positive obligations across 11 reported actions.
NORESCO, LLC gained the most market share
4.9%→12.1%+7.2 percentage points
The contractor now ranks #2 by positive obligations, based on 3 reported actions.
DYNOTEC-KZF JV, LLC was the largest newly observed contractor
$2.3MLatest 12-month obligations
First observed in this market on Apr 22, 2026, the contractor now ranks #10 by positive obligations across 3 reported actions.

Buyer demand

Reported obligations through REGION 2 (FUNDING OFFICE) decreased
$38.0M→$27.3M−$10.6M
Latest-period activity spans 59 awards across 10 prime contractors.
Reported obligations through OFC FOR AIR RAD (OAR) (FUNDING) increased
$4.3M→$9.4M+$5.0M
Latest-period activity spans 27 awards across 4 prime contractors.
View 4 additional material changes

Competitive shifts

TETRA TECH, INC. fell the most in the contractor rankings
#8→#16Down 8 places
The contractor accounts for 1.4% of positive obligations across 3 reported actions.
TRC ENVIRONMENTAL CORP had no reported activity in the latest 12 months
$1.4M→$0No latest-period activity
It previously ranked #12 by positive obligations, based on 5 reported actions.

Award activity

NORESCO, LLC received an unusually large obligation action
$7.1MApr 24, 2026 action
Reported under PIID 68HERC23F0048 by OFC FOR AIR RAD (OAR) (FUNDING). Award net obligations after the action: $30.4M.
View supporting award

Market structure

Top-five contractor share decreased
58.86%→51.24%−7.6 percentage points
Contractors outside the top five now account for 48.8% of positive obligations.
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.

47.0% of positive obligations were attributed to REGION 2 (FUNDING OFFICE). That represents $27.3M, down $10.6M from the preceding 12 months.

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

  1. REGION 2 (FUNDING OFFICE)47.0% · $27.3M · down $10.6M
  2. OFC OF FINANCE & ADMIN (OFA)(FUNDING)19.5% · $11.3M · up $11.3M
  3. OFC FOR AIR RAD (OAR) (FUNDING)16.1% · $9.4M · up $5.0M
  4. REGION 5 (FUNDING OFFICE)6.2% · $3.6M · up $84K
  5. REGION 3 (FUNDING OFFICE)3.9% · $2.3M · up $1.5M
  6. All other reported offices7.4% 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

    REGION 2 (FUNDING OFFICE)

    #1Rank unchanged

    Latest 12 months

    $27.3M

    47.0% of positive obligations

    Versus preceding 12 months

    −$10.6M

    10 active prime contractors · 59 awards

    View office comparison and evidence

    Reported obligations decreased 28.0% from $38.0M to $27.3M. The office’s share of positive obligations moved from 58.5% to 47.0%, a change of −11.5 percentage points.

    The latest period contains 81 actions across 59 awards and 1 newly active prime contractor. The preceding period contained 12 active prime contractors and 76 awards.

    Leading award-level changes

  2. Reported funding office

    OFC OF FINANCE & ADMIN (OFA)(FUNDING)

    #2New to the positive-obligation ranking

    Latest 12 months

    $11.3M

    19.5% of positive obligations

    Versus preceding 12 months

    +$11.3M

    15 active prime contractors · 40 awards

    View office comparison and evidence

    Reported obligations rose from $0 to $11.3M. The office’s share of positive obligations moved from 0% to 19.5%, a change of +19.5 percentage points.

    The latest period contains 66 actions across 40 awards and 15 newly active prime contractors. The preceding period contained 0 active prime contractors and 0 awards.

    Leading award-level changes

  3. Reported funding office

    OFC FOR AIR RAD (OAR) (FUNDING)

    #3Up 1 from #4

    Latest 12 months

    $9.4M

    16.1% of positive obligations

    Versus preceding 12 months

    +$5.0M

    4 active prime contractors · 27 awards

    View office comparison and evidence

    Reported obligations increased 115.6% from $4.3M to $9.4M. The office’s share of positive obligations moved from 6.7% to 16.1%, a change of +9.4 percentage points.

    The latest period contains 53 actions across 27 awards and 2 newly active prime contractors. The preceding period contained 4 active prime contractors and 14 awards.

  4. Reported funding office

    REGION 5 (FUNDING OFFICE)

    #4Up 1 from #5

    Latest 12 months

    $3.6M

    6.2% of positive obligations

    Versus preceding 12 months

    +$84K

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations increased 2.4% from $3.5M to $3.6M. The office’s share of positive obligations moved from 5.4% to 6.2%, a change of +0.8 percentage points.

    The latest period contains 7 actions across 1 award. The preceding period contained 1 active prime contractor and 1 award.

  5. Reported funding office

    REGION 3 (FUNDING OFFICE)

    #5Up 3 from #8

    Latest 12 months

    $2.3M

    3.9% of positive obligations

    Versus preceding 12 months

    +$1.5M

    1 active prime contractor · 7 awards

    View office comparison and evidence

    Reported obligations increased 194.5% from $778K to $2.3M. The office’s share of positive obligations moved from 1.2% to 3.9%, a change of +2.7 percentage points.

    The latest period contains 11 actions across 7 awards. The preceding period contained 1 active prime contractor and 6 awards.

  6. Reported funding office

    OFC OF MISSION SUPT (OMS) (FUNDING)

    #6Down 4 from #2

    Latest 12 months

    $1.6M

    2.8% of positive obligations

    Versus preceding 12 months

    −$8.2M

    5 active prime contractors · 8 awards

    View office comparison and evidence

    Reported obligations decreased 83.5% from $9.8M to $1.6M. The office’s share of positive obligations moved from 15.0% to 2.8%, a change of −12.3 percentage points.

    The latest period contains 9 actions across 8 awards. The preceding period contained 14 active prime contractors and 40 awards.

  7. Reported funding office

    OFFICE FOR WATER (OW) (FUNDING)

    #7Down 4 from #3

    Latest 12 months

    $1.3M

    2.2% of positive obligations

    Versus preceding 12 months

    −$3.4M

    4 active prime contractors · 11 awards

    View office comparison and evidence

    Reported obligations decreased 72.6% from $4.6M to $1.3M. The office’s share of positive obligations moved from 7.1% to 2.2%, a change of −4.9 percentage points.

    The latest period contains 29 actions across 11 awards. The preceding period contained 7 active prime contractors and 29 awards.

  8. Reported funding office

    OFC LANDEMERG MGMT (OLEM)(FUNDING)

    #8Down 2 from #6

    Latest 12 months

    $832K

    1.4% of positive obligations

    Versus preceding 12 months

    −$800K

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations decreased 49.0% from $1.6M to $832K. The office’s share of positive obligations moved from 2.5% to 1.4%, a change of −1.1 percentage points.

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

  9. Reported funding office

    REGION 4 (FUNDING OFFICE)

    #9New to the positive-obligation ranking

    Latest 12 months

    $221K

    0.38% of positive obligations

    Versus preceding 12 months

    +$221K

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations rose from $0 to $221K. The office’s share of positive obligations moved from 0% to 0.38%, a change of +0.4 percentage points.

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

  10. Reported funding office

    OFC RESEARCH DEV (ORD) (FUNDING)

    #10Down 3 from #7

    Latest 12 months

    $136K

    0.23% of positive obligations

    Versus preceding 12 months

    −$1.4M

    2 active prime contractors · 2 awards

    View office comparison and evidence

    Reported obligations decreased 90.9% from $1.5M to $136K. The office’s share of positive obligations moved from 2.3% to 0.23%, a change of −2.1 percentage points.

    The latest period contains 2 actions across 2 awards and 2 newly active prime contractors. The preceding period contained 7 active prime contractors and 8 awards.

  11. Reported funding office

    OFC OF ADMINISTRATOR (OA) (FUNDING)

    #11New to the positive-obligation ranking

    Latest 12 months

    $109K

    0.19% of positive obligations

    Versus preceding 12 months

    +$109K

    3 active prime contractors · 4 awards

    View office comparison and evidence

    Reported obligations rose from $0 to $109K. The office’s share of positive obligations moved from 0% to 0.19%, a change of +0.2 percentage points.

    The latest period contains 4 actions across 4 awards and 3 newly active prime contractors. The preceding period contained 0 active prime contractors and 0 awards.

Contract types, competition, and procurement methods

From Oct 24, 2025 through Oct 23, 2026, 93 awards had positive obligations totaling $60.4M. Subject to Multiple Award Fair Opportunity was the leading reported procedure, accounting for 49.1% of positive obligations. Awards with a reported parent IDV accounted for 98.9%. Reported awards used contract vehicles such as UR AE MATOC, ESPC Gen4, and OASIS.

Leading award type
85.4%
Delivery Order
Leading reported procedure
49.1%
Subject to Multiple Award Fair Opportunity
Reported parent IDV
98.9%
of positive obligations had a reported parent IDV
Median reported offers
1
71 of 93 awards reported offers

Observed contract vehicles

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

  • UR AE MATOC

    $10.7M

    17.7% of positive obligations · 20 matched awards

  • ESPC Gen4

    $7.1M

    11.8% of positive obligations · 1 matched award

  • OASIS

    $3.9M

    6.4% of positive obligations · 2 matched awards

Buying method changes

Compared with Oct 24, 2024–Oct 23, 2025. Based on 93 current awards and 111 preceding awards with positive net obligations.

Reported full-and-open obligation share
48.7%
Down from 93.1% 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 18.7 percentage points higher, reported full-and-open obligation share is 34.6 percentage points higher, delivery-order obligation share is 16.9 percentage points higher, and median positive award obligations are 13.6% higher.

MeasureThis marketPeer medianDifference
Parent-IDV obligation share98.9%80.3%+18.7 pts
Reported full-and-open obligation share48.7%14.1%+34.6 pts
Delivery-order obligation share85.4%68.5%+16.9 pts
Median positive award obligations$300K$264K+13.6%
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)76$51.6M85.4%
BPA Call(A)14$8.2M13.5%
Definitive Contract(D)2$587K0.97%
Purchase Order(B)1$51K0.080%

Reported parent-award types

Reported valueAwardsPositive obligationsShare
IDC(B)75$50.8M84.0%
BPA(E)14$8.2M13.5%
FSS(C)1$832K1.4%
Not reported3$637K1.1%

Single- or multiple-award parent structure

Reported valueAwardsPositive obligationsShare
Multiple Award(M)68$49.0M81.1%
Single Award(S)22$10.8M17.9%
Not reported3$637K1.1%

Solicitation procedures

Reported valueAwardsPositive obligationsShare
Subject to Multiple Award Fair Opportunity(MAFO)50$29.6M49.1%
Mafo(SUBJECT TO MULTIPLE AWARD FAIR OPPORTUNITY)32$27.5M45.5%
Np(NEGOTIATED PROPOSAL/QUOTE)5$1.8M2.9%
Negotiated Proposal/Quote(NP)3$857K1.4%
Sss(ONLY ONE SOURCE)1$554K0.92%
Only One Source(SSS)2$83K0.14%

Extent competed

Reported valueAwardsPositive obligationsShare
Full and Open Competition(A)48$29.4M48.7%
A(FULL AND OPEN COMPETITION)26$23.0M38.0%
D(FULL AND OPEN COMPETITION AFTER EXCLUSION OF SOURCES)11$6.3M10.4%
Full and Open Competition After Exclusion of Sources(D)5$1.1M1.8%
C(NOT COMPETED)1$554K0.92%
Not Competed(C)2$83K0.14%

Fair-opportunity and limited-source reporting

Reported valueAwardsPositive obligationsShare
Fair Opportunity Given(FAIR)67$52.6M87.1%
Competitive Set Aside(CSA)8$2.3M3.8%
Follow-on Action Following Competitive Initial Action(FOO)4$1.7M2.8%
Only One Source - Other(ONE)3$491K0.81%
Not reported11$3.3M5.4%

Other-than-full-and-open reasons

Reported valueAwardsPositive obligationsShare
Only One Source-Other (FAR 6.302-1 Other)(ONE)3$637K1.1%
Not reported90$59.8M98.9%

Contract pricing types

Reported valueAwardsPositive obligationsShare
Cost Plus Fixed Fee(U)39$16.2M26.9%
U(COST PLUS FIXED FEE)16$13.9M23.1%
Firm Fixed Price(J)14$13.3M22.0%
J(FIRM FIXED PRICE)18$8.9M14.8%
Y(TIME AND MATERIALS)4$6.9M11.5%
Time and Materials(Y)2$1.0M1.7%

Product or Service Codes

Reported valueAwardsPositive obligationsShare
Architect and Engineering- General: Other(C219)53$28.0M46.3%
Special Studies/Analysis- Building Technology(B540)2$9.5M15.7%
Architect and Engineering- Construction: Laboratories and Clinics(C1DB)7$5.9M9.8%
Other Environmental Services(F999)5$5.9M9.7%
Maint/Repair/Rebuild of Equipment- Alarm, Signal, and Security Detection Systems(J063)6$5.4M9.0%
Inspection- Miscellaneous(H399)7$2.3M3.8%
Other reported values13$3.4M5.7%

Awarding subagencies

Reported valueAwardsPositive obligationsShare
Department of the Army(2100)49$27.8M46.0%
Environmental Protection Agency(6800)37$23.6M39.0%
Departmental Offices(1406)6$5.4M9.0%
Federal Acquisition Service(4732)1$3.6M5.9%

Awarding offices

Reported valueAwardsPositive obligationsShare
W071 Endist Kansas City(W912DQ)49$27.8M46.0%
Construction, Finance, Administrative & Ia Division(68HERF)16$16.3M27.0%
Ibc Acq Svcs Directorate (00004)(140D04)6$5.4M9.0%
GSA Fas Aas Region 5(47QFLA)1$3.6M5.9%
Land, Enforcement, and Air Division(68HERL)10$3.5M5.8%
Region 3 Contracting Office(68HE03)4$2.3M3.8%
Other reported values7$1.5M2.4%

Reported parent IDVs

Reported valueAwardsPositive obligationsShare
DEEE0008038(8900)1$7.1M11.8%
W912DQ24D3012(9700)6$5.7M9.4%
140D0426A0004(1406)6$5.4M9.0%
W912DQ24D3013(9700)10$5.3M8.7%
W912DQ21D3001(9700)4$4.7M7.7%
GS00Q14OADU116(4732)1$3.6M5.9%
W912DQ24D3017(9700)4$2.7M4.5%
DEAM3609GO29030(8900)1$2.4M3.9%
Other reported values57$23.0M38.0%
Not reported3$637K1.1%

Exact vehicle-match evidence

Reported award data linked 24 awards to a specific catalog vehicle.

Offers, award size, and timing

Median reported offers
1 median
71 reported · 22 not reported
Positive award obligations
$300K median
$115K–$734K middle 50%
Reported performance period
1,460 days (~4.0 years) median
93 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
11 of 30prime contractors account for at least 80% of positive obligations in the last 12 months
Largest prime contractor
12.3%of positive obligations in the last 12 months
Leading four prime contractors
43.8%of positive obligations in the last 12 months
Leading eight prime contractors
68.7%of positive obligations in the last 12 months

Based on $58.7M 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

    $7.2M

    12.3%

    Dollar movement

    −$273K

    vs. prior 12 months

    Last 12mo awards

    19 awards

    28 actions

    Historical and award details for HDR-OBG A JOINT VENTURE
    Obligations: prior → latest
    $7.5M → $7.2M
    −3.6%
    Share: prior → latest
    11.4% → 12.3%
    +0.9 percentage points
    All-period obligations
    $25.5M
    7.3% of all-period positive obligations · 29 awards
    Recorded activity
    Since Oct 27, 2021
    through Sep 14, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported1916
    Reported small business00
    All-period set-aside types

    None reported.

  2. #2

    Last 12mo obligations

    $7.1M

    12.1%

    Dollar movement

    +$3.9M

    vs. prior 12 months

    Last 12mo awards

    1 award

    3 actions

    Historical and award details for NORESCO, LLC
    Obligations: prior → latest
    $3.2M → $7.1M
    +119.3%
    Share: prior → latest
    4.9% → 12.1%
    +7.2 percentage points
    All-period obligations
    $31.4M
    9.0% of all-period positive obligations · 2 awards
    Recorded activity
    Since Nov 16, 2021
    through Apr 24, 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.

  3. #3

    Last 12mo obligations

    $6.7M

    11.5%

    Dollar movement

    −$2.1M

    vs. prior 12 months

    Last 12mo awards

    11 awards

    15 actions

    Historical and award details for CDM FEDERAL PROGRAMS CORPORATION
    Obligations: prior → latest
    $8.8M → $6.7M
    −23.7%
    Share: prior → latest
    13.4% → 11.5%
    −2.0 percentage points
    All-period obligations
    $42.2M
    12.1% of all-period positive obligations · 47 awards
    Recorded activity
    Since Oct 22, 2021
    through Sep 22, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported1118
    Reported small business00
    All-period set-aside types

    None reported.

  4. #4

    Last 12mo obligations

    $4.6M

    7.9%

    Dollar movement

    +$4.0M

    vs. prior 12 months

    Last 12mo awards

    6 awards

    11 actions

    Historical and award details for ARCADIS U.S., INC.
    Obligations: prior → latest
    $679K → $4.6M
    +584.0%
    Share: prior → latest
    1.0% → 7.9%
    +6.9 percentage points
    All-period obligations
    $28.5M
    8.2% of all-period positive obligations · 19 awards
    Recorded activity
    Since Oct 8, 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 reported67
    Reported small business00
    All-period set-aside types

    None reported.

  5. #5

    Last 12mo obligations

    $4.4M

    7.4%

    Dollar movement

    −$459K

    vs. prior 12 months

    Last 12mo awards

    14 awards

    26 actions

    Historical and award details for M. C. DEAN, INC.
    Obligations: prior → latest
    $4.8M → $4.4M
    −9.5%
    Share: prior → latest
    7.3% → 7.4%
    +0.1 percentage points
    All-period obligations
    $29.2M
    8.4% of all-period positive obligations · 25 awards
    Recorded activity
    Since Oct 29, 2021
    through Sep 23, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported1410
    Reported small business00
    All-period set-aside types

    None reported.

  6. #6

    Last 12mo obligations

    $4.3M

    7.3%

    Dollar movement

    −$9.4M

    vs. prior 12 months

    Last 12mo awards

    7 awards

    8 actions

    Historical and award details for WSP USA SOLUTIONS INC
    Obligations: prior → latest
    $13.7M → $4.3M
    −68.7%
    Share: prior → latest
    20.9% → 7.3%
    −13.5 percentage points
    All-period obligations
    $45.5M
    13.1% of all-period positive obligations · 21 awards
    Recorded activity
    Since Nov 12, 2021
    through Aug 31, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported710
    Reported small business00
    All-period set-aside types

    None reported.

  7. #7

    Last 12mo obligations

    $3.6M

    6.1%

    Dollar movement

    +$84K

    vs. prior 12 months

    Last 12mo awards

    1 award

    7 actions

    Historical and award details for GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.
    Obligations: prior → latest
    $3.5M → $3.6M
    +2.4%
    Share: prior → latest
    5.3% → 6.1%
    +0.8 percentage points
    All-period obligations
    $21.3M
    6.1% of all-period positive obligations · 1 award
    Recorded activity
    Since Mar 16, 2022
    through Sep 21, 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.

  8. #8

    Last 12mo obligations

    $2.4M

    4.0%

    Dollar movement

    +$521K

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for ENERGY SYSTEMS GROUP, LLC
    Obligations: prior → latest
    $1.8M → $2.4M
    +28.3%
    Share: prior → latest
    2.8% → 4.0%
    +1.2 percentage points
    All-period obligations
    $10.5M
    3.0% of all-period positive obligations · 1 award
    Recorded activity
    Since Jul 12, 2022
    through Jun 24, 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.

  9. #9

    Last 12mo obligations

    $2.3M

    4.0%

    Dollar movement

    −$1.5M

    vs. prior 12 months

    Last 12mo awards

    7 awards

    9 actions

    Historical and award details for JACOBS GOVERNMENT SERVICES COMPANY
    Obligations: prior → latest
    $3.8M → $2.3M
    −38.8%
    Share: prior → latest
    5.8% → 4.0%
    −1.8 percentage points
    All-period obligations
    $9.1M
    2.6% of all-period positive obligations · 9 awards
    Recorded activity
    Since Dec 22, 2023
    through Oct 5, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported76
    Reported small business00
    All-period set-aside types

    None reported.

  10. #10

    Last 12mo obligations

    $2.3M

    4.0%

    Dollar movement

    +$2.3M

    vs. prior 12 months

    Last 12mo awards

    2 awards

    3 actions

    Historical and award details for DYNOTEC-KZF JV, LLC
    Obligations: prior → latest
    $0 → $2.3M
    Not comparable
    Share: prior → latest
    0% → 4.0%
    +4.0 percentage points
    All-period obligations
    $2.3M
    0.67% of all-period positive obligations · 2 awards
    Recorded activity
    Since Apr 22, 2026
    through Aug 12, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported20
    Reported small business20
    All-period set-aside types

    None reported.

  11. #11

    Last 12mo obligations

    $2.3M

    3.9%

    Dollar movement

    +$1.5M

    vs. prior 12 months

    Last 12mo awards

    7 awards

    11 actions

    Historical and award details for HANA ENGINEERS & CONSULTANTS LLC
    Obligations: prior → latest
    $778K → $2.3M
    +194.5%
    Share: prior → latest
    1.2% → 3.9%
    +2.7 percentage points
    All-period obligations
    $4.2M
    1.2% of all-period positive obligations · 10 awards
    Recorded activity
    Since Aug 23, 2024
    through Jul 15, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported76
    Reported small business76
    All-period set-aside types

    None reported.

  12. #12

    Last 12mo obligations

    $2.2M

    3.8%

    Dollar movement

    +$440K

    vs. prior 12 months

    Last 12mo awards

    23 awards

    44 actions

    Historical and award details for AMENTUM TECHNOLOGY, INC.
    Obligations: prior → latest
    $1.8M → $2.2M
    +24.5%
    Share: prior → latest
    2.7% → 3.8%
    +1.1 percentage points
    All-period obligations
    $5.2M
    1.5% of all-period positive obligations · 27 awards
    Recorded activity
    Since Oct 18, 2021
    through Oct 20, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported2310
    Reported small business00
    All-period set-aside types

    None reported.

  13. #13

    Last 12mo obligations

    $1.7M

    2.9%

    Dollar movement

    +$961K

    vs. prior 12 months

    Last 12mo awards

    1 award

    3 actions

    Historical and award details for RICHARD MCELHINEY ARCHITECT, PLLC
    Obligations: prior → latest
    $718K → $1.7M
    +133.9%
    Share: prior → latest
    1.1% → 2.9%
    +1.8 percentage points
    All-period obligations
    $7.0M
    2.0% of all-period positive obligations · 7 awards
    Recorded activity
    Since Jan 31, 2022
    through Sep 8, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported14
    Reported small business14
    All-period set-aside types

    None reported.

  14. #14

    Last 12mo obligations

    $1.5M

    2.6%

    Dollar movement

    +$1.5M

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for KAL ARCHITECTS, INC.
    Obligations: prior → latest
    $0 → $1.5M
    Not comparable
    Share: prior → latest
    0% → 2.6%
    +2.6 percentage points
    All-period obligations
    $1.5M
    0.43% of all-period positive obligations · 1 award
    Recorded activity
    Since Aug 11, 2026
    through Aug 11, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported10
    Reported small business10
    All-period set-aside types

    None reported.

  15. #15

    Last 12mo obligations

    $832K

    1.4%

    Dollar movement

    −$800K

    vs. prior 12 months

    Last 12mo awards

    1 award

    6 actions

    Historical and award details for KALMAN & COMPANY, INC.
    Obligations: prior → latest
    $1.6M → $832K
    −49.0%
    Share: prior → latest
    2.5% → 1.4%
    −1.1 percentage points
    All-period obligations
    $7.3M
    2.1% of all-period positive obligations · 2 awards
    Recorded activity
    Since Oct 20, 2021
    through Jul 8, 2026

    Award reporting

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

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

+$7.1M

NORESCO, LLC

OFC FOR AIR RAD (OAR) (FUNDING)

ENERGY SAVINGS PERFORMANCE CONTRACT (ESPC) TASK ORDER FOR ANN ARBOR, MI P00008 - INCREMENTAL FUNDING FOR YEAR 2 PAYMENT

Why it stands out

The contractor climbed 5 positions in this market.

It now ranks #2 by positive obligations over the latest 12 months.

Award net obligations
$30.4M
Share of 12-month positive obligations
12.1%
Supporting data
Prime contractor
#2 · 12.1% share
up 5 ranks · +7.2 percentage points · $3.9M net increase; action exceeded it by $3.2M
Funding office
#3 · 16.1% attributed share
up 1 rank · +9.4 percentage points · $5.0M net increase; action exceeded it by $2.1M
Related:Largest share gainFunding office gain
PIID 68HERC23F0048 · Mod P00008
Base award

This action

+$1.6M

HANA ENGINEERS & CONSULTANTS LLC

REGION 3 (FUNDING OFFICE)

HANA ENGINEERING BPA: 68HE0324A0003 GOVT RA: CONSTRUCTION OVERSIGHT FOR THE OU02 RA THERMAL INSTALLATION. POC: KAITLIN HESS 215-814-3259

Why it stands out

The contractor climbed 6 positions in this market.

It now ranks #11 by positive obligations over the latest 12 months.

Award net obligations
$1.6M
Share of 12-month positive obligations
2.7%
Supporting data
Prime contractor
#11 · 3.9% share
up 6 ranks · +2.7 percentage points · $1.5M net increase; action exceeded it by $58K
Funding office
#5 · 3.9% attributed share
up 3 ranks · +2.7 percentage points · $1.5M net increase; action exceeded it by $58K
PIID 68HE0326F0026
Base award

This action

+$2.3M

DYNOTEC-KZF JV, LLC

OFC OF FINANCE & ADMIN (OFA)(FUNDING)

ADA OK OASES LAB UPGRADE AE DESIGN SERVICES

Why it stands out

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

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

Award net obligations
$2.3M
Share of 12-month positive obligations
3.9%
Supporting data
Prime contractor
#10 · 4.0% share
Newly active in this market; no actions were reported in the preceding 12 months
Related:Largest newly observed contractor
PIID 68HERF26F0147
Modification

This action

+$3.2M

GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.

REGION 5 (FUNDING OFFICE)

SCIENTIFIC AND TECHNICAL SUPPORT FOR THE GREAT LAKES NATIONAL PROGRAM OFFICE

Why it stands out

One action represented 5.4% of the market’s latest 12-month positive obligations.

At $3.2M, the action was large enough to materially affect the latest 12-month market picture.

Award net obligations
$21.3M
Share of 12-month positive obligations
5.4%
PIID 47QFLA22F0075 · Mod P00021
Base award

This action

+$1.5M

KAL ARCHITECTS, INC.

OFC OF FINANCE & ADMIN (OFA)(FUNDING)

A/E CONSTRUCTION FOLLOW ON SERVICES FOR THE U.S. EPA ROBERT S. KERR ENVIRONMENTAL RESEARCH CENTER (RSKERC) - REGION 6 LABORATORY CONSTRUCTION/RENOVATIONS PROJECT AT ADA, OKLAHOMA

Why it stands out

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

The base action placed the contractor #14 in this market by positive obligations over the latest 12 months.

Award net obligations
$1.5M
Share of 12-month positive obligations
2.6%
Supporting data
Prime contractor
#14 · 2.6% share
Newly active in this market; no actions were reported in the preceding 12 months
PIID 68HERF26F0165
Modification

This action

+$2.4M

ENERGY SYSTEMS GROUP, LLC

OFC OF FINANCE & ADMIN (OFA)(FUNDING)

B540-ENERGY SAVINGS PERFORMANCE CONTRACT TASK ORDER FOR RESEARCH TRIANGLE PARK CAMPUS, RTP, NORTH CAROLINA

Why it stands out

The award grew alongside stronger office-attributed spending.

The modification added $2.4M while office-attributed obligations rose $11.3M overall.

Award net obligations
$19.0M
Share of 12-month positive obligations
4.0%
Supporting data
Funding office
#2 · 19.5% attributed share
+19.5 percentage points · $11.3M net increase; action accounted for 20.8%
PIID 68HE0C18F0857 · Mod P00014
View recent award activity by date (10)
  1. ARCADIS U.S., INC.Modification · PIID W912DQ21F3052
    Action+$927K
    Award net obligations$15.7M
  2. CADMUS CONCOURSE JV LLCDeobligation · PIID 68HERC23F0239
    Action−$21K
    Award net obligations$1.6M
  3. AMENTUM TECHNOLOGY, INC.Deobligation · PIID 68HERC24F0250
    Action−$951
    Award net obligations$77K
  4. AMENTUM TECHNOLOGY, INC.Deobligation · PIID 68HERC23F0548
    Action−$797
    Award net obligations$84K
  5. AMENTUM TECHNOLOGY, INC.Deobligation · PIID 68HERC24F0298
    Action−$738
    Award net obligations$17K
  6. AMENTUM TECHNOLOGY, INC.Deobligation · PIID 68HERC23F0075
    Action−$727
    Award net obligations$484K
  7. AMENTUM TECHNOLOGY, INC.Deobligation · PIID 68HERC24F0023
    Action−$539
    Award net obligations$150K
  8. AMENTUM TECHNOLOGY, INC.Deobligation · PIID 68HERC24F0054
    Action−$454
    Award net obligations$74K
  9. AMENTUM TECHNOLOGY, INC.Deobligation · PIID 68HERC23F0192
    Action−$402
    Award net obligations$21K
  10. AMENTUM TECHNOLOGY, INC.Deobligation · PIID 68HERC24F0022
    Action−$180
    Award net obligations$205K

EPA engineering services market FAQs

Answers based on reported federal contract data.

Who are the top EPA engineering services contractors?

In the 12 months through October 23, 2026, HDR-OBG A JOINT VENTURE, NORESCO, LLC, and CDM FEDERAL PROGRAMS CORPORATION were the leading EPA engineering services prime contractors by positive obligations.

  1. #1

    HDR-OBG A JOINT VENTURE

    $7,243,918 in positive obligations

  2. #2

    NORESCO, LLC

    $7,114,910 in positive obligations

  3. #3

    CDM FEDERAL PROGRAMS CORPORATION

    $6,730,710 in positive obligations

Rankings use reported USAspending award data.

Did EPA contract obligations decrease in the engineering services market?

Yes. Measured by net prime contract obligations, reported EPA activity in the engineering services market decreased 10.4% from $64,915,135 in the preceding 12 months to $58,141,970 in the 12 months through October 23, 2026.

Latest 12 months
$58,141,970
Net prime contract obligations
Preceding 12 months
$64,915,135
Net prime contract obligations
Change
−10.4%
Between matched 12-month periods

Reported contract actions, not outlays or a forecast.

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

Recent EPA contract award activity reported in the engineering services market included actions for NORESCO, LLC, HANA ENGINEERS & CONSULTANTS LLC, and DYNOTEC-KZF JV, 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 EPA contracts under NAICS 541330?

From October 24, 2025 through October 23, 2026, EPA reported 93 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
93
Leading reported procedure
Subject to Multiple Award Fair Opportunity
49.1% of positive obligations
Leading award type
Delivery Order
85.4% of positive obligations
Full and open
48.7%
of positive obligations
Reported parent IDV
98.9%
of positive obligations
Observed vehicles
UR AE MATOC, ESPC Gen4, and OASIS
Exact matches from reported parent PIIDs

Percentages use positive obligations as the denominator.

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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