Federal Capture Intelligence

Top DOI engineering services contractors (NAICS 541330)

Contract actions: October 1, 2021 – September 11, 2026 Updated September 12, 2026 Department of the Interior agency guide NAICS 541330 · Engineering Services
Latest 12 months
$183.2M
Net obligations · Up $1.5M vs. $181.8M preceding
Prime contractors
167
With positive obligations in the latest 12 months

Research the DOI 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 Department of the Interior

Federal records show $1.1B in net obligations across 3,159 awards in engineering services at the Department of the Interior from Oct 1, 2021 through Sep 11, 2026. This market accounts for 4.2% of $25.9B in agency-wide net prime contract obligations over the period shown. Latest 12-month net obligations increased 0.8% from $181.8M to $183.2M. 36 prime contractors accounted for at least 80% of positive obligations in that latest period.

Fiscal-year activity

FY26 is year-to-date through Sep 11, 2026; earlier years show complete fiscal-year totals.

FY26 year-to-date: $127.7M versus $133.1M through the same date in FY25 (−4.1%).
Net obligations · complete fiscal yearNet obligations · FY26 YTDContract actions
View fiscal-year data table
Fiscal yearNet obligationsContract actionsCoverage
FY2022$239.3M1,787Complete
FY2023$296.2M1,816Complete
FY2024$246.0M1,858Complete
FY2025$188.7M1,451Complete
FY2026$127.7M1,120YTD through Sep 11, 2026

Market at a glance

All reported prime contract awards
All-period net obligations
$1.1B
3,159 awards · 399 prime contractors
Latest 12-month movement
+0.8%
$183.2M vs. $181.8M
Leading eight prime share
39.9%
Share held by the eight leading prime contractors in the latest 12 months
View agency share, denominators, and set-aside reporting
Agency context
4.2% of $25.9B in agency-wide net obligations.
Set-aside share when reported
52.1% of 336 awards with reported set-aside status.
Set-aside reporting
175 set aside · 161 no set-aside · 2,823 not reported

What changed in the last 12 months?

Sep 12, 2025–Sep 11, 2026, compared with Sep 12, 2024–Sep 11, 2025.

Competitive shifts

FORSGREN ASSOCIATES INC gained the most market share
0.1%→11.2%+11.1 percentage points
The contractor now ranks #1 by positive obligations, based on 11 reported actions.
HDR ENGINEERING, INC. lost the most market share
11.5%→2.9%−8.6 percentage points
The contractor now ranks #9 by positive obligations, based on 43 reported actions.
JACOBS ENGINEERING GROUP INC. climbed the most in the contractor rankings
#138→#30Up 108 places
The contractor accounts for 0.80% of positive obligations across 17 reported actions.
K.F. DAVIS ENGINEERING, INC fell the most in the contractor rankings
#30→#101Down 71 places
The contractor accounts for 0.090% of positive obligations across 9 reported actions.
JACOBS GOVERNMENT SERVICES COMPANY was the largest newly observed contractor
$4.4MLatest 12-month obligations
First observed in this market on May 14, 2026, the contractor now ranks #10 by positive obligations across 4 reported actions.

Buyer demand

Reported obligations through GREAT PLAINS REGIONAL OFFICE increased
$527K→$19.8M+$19.3M
Latest-period activity spans 7 awards across 7 prime contractors.
View 5 additional material changes

Award activity

FORSGREN ASSOCIATES INC received an unusually large obligation action
$19.0MSep 15, 2025 action
Reported under PIID 140R6025F0014 by GREAT PLAINS REGIONAL OFFICE. Award net obligations after the action: $19.0M.
View supporting award

Buyer demand

Reported obligations through DSC CONTRACTING SERVICES DIVISION decreased
$71.9M→$59.0M−$12.9M
Latest-period activity spans 234 awards across 60 prime contractors.

Competitive shifts

17 contractors were first observed in this market during the latest 12 months
$11.4MLatest 12-month obligations
Contractor-level obligations and first-observed dates appear below. “First observed” applies only to this market and the period shown.
View 17 contractors
ContractorLatest 12 months
BLUE ARROW ARCHITECTURE LLC had no reported activity in the latest 12 months
$6.8M→$0No latest-period activity
It previously ranked #5 by positive obligations, based on 5 reported actions.
STANLEY-DOWL JV recorded the largest net deobligation
$5.4M→−$1.5M−$7.0M
The contractor now is unranked by positive obligations, based on 7 reported actions.
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 Sep 11, 2026.

32.2% of positive obligations were attributed to DSC CONTRACTING SERVICES DIVISION. That represents $59.0M, down $12.9M from the preceding 12 months.

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

  1. DSC CONTRACTING SERVICES DIVISION32.2% · $59.0M · down $12.9M
  2. BUREAU OF INDIAN AFFAIRS14.7% · $27.0M · up $1.8M
  3. GREAT PLAINS REGIONAL OFFICE10.8% · $19.8M · up $19.3M
  4. OFC OF ACQUSITION GRANTS-NATIONAL7.6% · $14.0M · down $2.5M
  5. FACILITIES ADMIN SERVICES (00030)3.8% · $7.0M · up $2.3M
  6. All other reported offices30.9% 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

    DSC CONTRACTING SERVICES DIVISION

    #1Rank unchanged

    Latest 12 months

    $59.0M

    32.2% of positive obligations

    Versus preceding 12 months

    −$12.9M

    60 active prime contractors · 234 awards

    View office comparison and evidence

    Reported obligations decreased 18.0% from $71.9M to $59.0M. The office’s share of positive obligations moved from 39.2% to 32.2%, a change of −7.0 percentage points.

    The latest period contains 328 actions across 234 awards and 16 newly active prime contractors. The preceding period contained 57 active prime contractors and 301 awards.

    Leading award-level changes

  2. Reported funding office

    BUREAU OF INDIAN AFFAIRS

    #2Rank unchanged

    Latest 12 months

    $27.0M

    14.7% of positive obligations

    Versus preceding 12 months

    +$1.8M

    18 active prime contractors · 48 awards

    View office comparison and evidence

    Reported obligations increased 7.2% from $25.1M to $27.0M. The office’s share of positive obligations moved from 13.7% to 14.7%, a change of +1.0 percentage points.

    The latest period contains 82 actions across 48 awards and 1 newly active prime contractor. The preceding period contained 20 active prime contractors and 50 awards.

  3. Reported funding office

    GREAT PLAINS REGIONAL OFFICE

    #3Up 33 from #36

    Latest 12 months

    $19.8M

    10.8% of positive obligations

    Versus preceding 12 months

    +$19.3M

    7 active prime contractors · 7 awards

    View office comparison and evidence

    Reported obligations increased 3660.0% from $527K to $19.8M. The office’s share of positive obligations moved from 0.29% to 10.8%, a change of +10.5 percentage points.

    The latest period contains 13 actions across 7 awards and 4 newly active prime contractors. The preceding period contained 4 active prime contractors and 6 awards.

    Leading award-level changes

  4. Reported funding office

    OFC OF ACQUSITION GRANTS-NATIONAL

    #4Down 1 from #3

    Latest 12 months

    $14.0M

    7.6% of positive obligations

    Versus preceding 12 months

    −$2.5M

    14 active prime contractors · 22 awards

    View office comparison and evidence

    Reported obligations decreased 15.1% from $16.4M to $14.0M. The office’s share of positive obligations moved from 9.0% to 7.6%, a change of −1.3 percentage points.

    The latest period contains 29 actions across 22 awards and 5 newly active prime contractors. The preceding period contained 14 active prime contractors and 19 awards.

  5. Reported funding office

    FACILITIES ADMIN SERVICES (00030)

    #5Down 1 from #4

    Latest 12 months

    $7.0M

    3.8% of positive obligations

    Versus preceding 12 months

    +$2.3M

    2 active prime contractors · 2 awards

    View office comparison and evidence

    Reported obligations increased 49.3% from $4.7M to $7.0M. The office’s share of positive obligations moved from 2.5% to 3.8%, a change of +1.3 percentage points.

    The latest period contains 10 actions across 2 awards and 1 newly active prime contractor. The preceding period contained 2 active prime contractors and 2 awards.

  6. Reported funding office

    MP-REGIONAL OFFICE

    #6New to the positive-obligation ranking

    Latest 12 months

    $5.1M

    2.8% of positive obligations

    Versus preceding 12 months

    +$6.1M

    8 active prime contractors · 8 awards

    View office comparison and evidence

    Reported obligations moved from $1.1M in net deobligations to $5.1M in net obligations. The office’s share of positive obligations moved from 0% to 2.8%, a change of +2.8 percentage points.

    The latest period contains 13 actions across 8 awards and 2 newly active prime contractors. The preceding period contained 9 active prime contractors and 13 awards.

  7. Reported funding office

    NATIONAL OPERATIONS CENTER

    #7Down 1 from #6

    Latest 12 months

    $4.5M

    2.5% of positive obligations

    Versus preceding 12 months

    +$297K

    10 active prime contractors · 35 awards

    View office comparison and evidence

    Reported obligations increased 7.1% from $4.2M to $4.5M. The office’s share of positive obligations moved from 2.3% to 2.5%, a change of +0.2 percentage points.

    The latest period contains 41 actions across 35 awards and 3 newly active prime contractors. The preceding period contained 10 active prime contractors and 44 awards.

  8. Reported funding office

    PACIFIC NW REGION PN 6615

    #8Up 1 from #9

    Latest 12 months

    $4.0M

    2.2% of positive obligations

    Versus preceding 12 months

    +$981K

    6 active prime contractors · 33 awards

    View office comparison and evidence

    Reported obligations increased 32.0% from $3.1M to $4.0M. The office’s share of positive obligations moved from 1.7% to 2.2%, a change of +0.5 percentage points.

    The latest period contains 44 actions across 33 awards and 3 newly active prime contractors. The preceding period contained 5 active prime contractors and 49 awards.

  9. Reported funding office

    NCR REGIONAL CONTRACTING(30000)

    #9Down 2 from #7

    Latest 12 months

    $3.5M

    1.9% of positive obligations

    Versus preceding 12 months

    −$378K

    2 active prime contractors · 2 awards

    View office comparison and evidence

    Reported obligations decreased 9.7% from $3.9M to $3.5M. The office’s share of positive obligations moved from 2.1% to 1.9%, a change of −0.2 percentage points.

    The latest period contains 2 actions across 2 awards and 1 newly active prime contractor. The preceding period contained 4 active prime contractors and 4 awards.

  10. Reported funding office

    PWR SF/SEA MABO(85000)

    #10Down 5 from #5

    Latest 12 months

    $3.4M

    1.9% of positive obligations

    Versus preceding 12 months

    −$917K

    20 active prime contractors · 44 awards

    View office comparison and evidence

    Reported obligations decreased 21.3% from $4.3M to $3.4M. The office’s share of positive obligations moved from 2.4% to 1.9%, a change of −0.5 percentage points.

    The latest period contains 65 actions across 44 awards and 10 newly active prime contractors. The preceding period contained 15 active prime contractors and 47 awards.

  11. Reported funding office

    SER EAST MABO(51000)

    #11Up 48 from #59

    Latest 12 months

    $3.1M

    1.7% of positive obligations

    Versus preceding 12 months

    +$3.1M

    11 active prime contractors · 26 awards

    View office comparison and evidence

    Reported obligations increased 10735.7% from $29K to $3.1M. The office’s share of positive obligations moved from 0.020% to 1.7%, a change of +1.7 percentage points.

    The latest period contains 28 actions across 26 awards and 5 newly active prime contractors. The preceding period contained 11 active prime contractors and 28 awards.

  12. Reported funding office

    FWS PACIFIC REGIONAL OFFICE

    #31Down 17 from #14

    Latest 12 months

    $593K

    0.32% of positive obligations

    Versus preceding 12 months

    −$1.9M

    13 active prime contractors · 15 awards

    View office comparison and evidence

    Reported obligations decreased 75.7% from $2.4M to $593K. The office’s share of positive obligations moved from 1.3% to 0.32%, a change of −1.0 percentage points.

    The latest period contains 23 actions across 15 awards and 4 newly active prime contractors. The preceding period contained 16 active prime contractors and 20 awards.

  13. Reported funding office

    LOWER COLORADO REGIONAL OFFICE

    #46Down 35 from #11

    Latest 12 months

    $174K

    0.090% of positive obligations

    Versus preceding 12 months

    −$2.6M

    5 active prime contractors · 9 awards

    View office comparison and evidence

    Reported obligations decreased 93.7% from $2.8M to $174K. The office’s share of positive obligations moved from 1.5% to 0.090%, a change of −1.4 percentage points.

    The latest period contains 11 actions across 9 awards and 3 newly active prime contractors. The preceding period contained 3 active prime contractors and 7 awards.

  14. Reported funding office

    EROS DATA CENTER(00012)

    No positive-obligation rank

    Latest 12 months

    $0

    0% of positive obligations

    Versus preceding 12 months

    −$2.8M

    0 active prime contractors · 0 awards

    View office comparison and evidence

    Reported obligations decreased 100.0% from $2.8M to $0. The office’s share of positive obligations moved from 1.5% to 0%, a change of −1.5 percentage points.

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

Contract types, competition, and procurement methods

From Sep 12, 2025 through Sep 11, 2026, 462 awards had positive obligations totaling $192.0M. Subject to Multiple Award Fair Opportunity was the leading reported procedure, accounting for 44.6% of positive obligations. Awards with a reported parent IDV accounted for 96.1%. Reported awards used contract vehicles such as IA-NMAAEC, OASIS, and TACCOM II.

Leading award type
94.5%
Delivery Order
Leading reported procedure
44.6%
Subject to Multiple Award Fair Opportunity
Reported parent IDV
96.1%
of positive obligations had a reported parent IDV
Median reported offers
1
365 of 462 awards reported offers

Observed contract vehicles

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

  • IA-NMAAEC

    $4.0M

    2.1% of positive obligations · 7 matched awards

  • OASIS

    $2.7M

    1.4% of positive obligations · 1 matched award

  • TACCOM II

    $1.8M

    0.92% of positive obligations · 8 matched awards

Buying method changes

Compared with Sep 12, 2024–Sep 11, 2025. Based on 462 current awards and 562 preceding awards with positive net obligations.

Reported full-and-open obligation share
45.9%
Down from 67.0% 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 8.2 percentage points higher, reported full-and-open obligation share is 10.3 percentage points higher, delivery-order obligation share is 22.8 percentage points higher, and median positive award obligations are 62.9% lower.

MeasureThis marketPeer medianDifference
Parent-IDV obligation share96.1%87.8%+8.2 pts
Reported full-and-open obligation share45.9%35.6%+10.3 pts
Delivery-order obligation share94.5%71.6%+22.8 pts
Median positive award obligations$131K$354K-62.9%
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)405$181.4M94.5%
Definitive Contract(D)16$4.2M2.2%
Purchase Order(B)25$3.3M1.7%
BPA Call(A)16$3.1M1.6%

Reported parent-award types

Reported valueAwardsPositive obligationsShare
IDC(B)360$170.1M88.6%
FSS(C)45$11.3M5.9%
BPA(E)16$3.1M1.6%
Not reported41$7.5M3.9%

Single- or multiple-award parent structure

Reported valueAwardsPositive obligationsShare
Multiple Award(M)326$137.8M71.8%
Single Award(S)95$46.7M24.3%
Not reported41$7.5M3.9%

Solicitation procedures

Reported valueAwardsPositive obligationsShare
Subject to Multiple Award Fair Opportunity(MAFO)248$85.7M44.6%
Mafo(SUBJECT TO MULTIPLE AWARD FAIR OPPORTUNITY)82$53.1M27.6%
Architect-Engineer FAR 6.102(AE)63$24.1M12.5%
Negotiated Proposal/Quote(NP)4$12.1M6.3%
Ae(ARCHITECT-ENGINEER FAR 6.102)15$6.0M3.1%
Simplified Acquisition(SP1)22$4.0M2.1%
Other reported values28$7.1M3.7%

Extent competed

Reported valueAwardsPositive obligationsShare
Full and Open Competition(A)172$88.1M45.9%
Full and Open Competition After Exclusion of Sources(D)153$37.3M19.4%
D(FULL AND OPEN COMPETITION AFTER EXCLUSION OF SOURCES)42$32.2M16.8%
A(FULL AND OPEN COMPETITION)57$27.4M14.3%
Competed Under SAP(F)18$3.9M2.0%
C(NOT COMPETED)1$1.6M0.85%
Other reported values19$1.6M0.82%

Fair-opportunity and limited-source reporting

Reported valueAwardsPositive obligationsShare
Fair Opportunity Given(FAIR)245$121.3M63.2%
Follow-on Action Following Competitive Initial Action(FOO)26$8.0M4.2%
Competitive Set Aside(CSA)36$7.0M3.6%
Only One Source - Other(ONE)15$1.4M0.70%
Other Statutory Authority(OSA)8$1.1M0.56%
Not reported132$53.3M27.7%

Other-than-full-and-open reasons

Reported valueAwardsPositive obligationsShare
Unique Source (FAR 6.302-1(B)(1))(UNQ)1$1.6M0.85%
Only One Source-Other (FAR 6.302-1 Other)(ONE)7$870K0.45%
SAP Non-Competition (FAR 13)(SP2)5$103K0.050%
Authorized by Statute (FAR 6.302-5(A)(2)(I))(OTH)2$87K0.050%
Not reported447$189.4M98.6%

Contract pricing types

Reported valueAwardsPositive obligationsShare
Firm Fixed Price(J)347$114.1M59.4%
J(FIRM FIXED PRICE)101$59.4M30.9%
Cost Plus Award Fee(R)1$11.8M6.1%
Time and Materials(Y)4$3.3M1.7%
Y(TIME AND MATERIALS)2$1.9M1.0%
Labor Hours(Z)3$747K0.39%
Other reported values4$757K0.39%

Product or Service Codes

Reported valueAwardsPositive obligationsShare
Architect and Engineering- General: Landscaping, Interior Layout, and Designing(C211)139$55.7M29.0%
Architect and Engineering- General: Other(C219)56$37.0M19.3%
Architect and Engineering- General: Engineering Drafting, Not Cad/Cam(C212)100$36.9M19.2%
Support- Professional: Engineering/Technical(R425)14$15.2M7.9%
Special Studies/Analysis- Building Technology(B540)2$10.4M5.4%
Inspection- Construction and Building Materials(H356)20$5.0M2.6%
Other reported values131$31.8M16.6%

Awarding subagencies

Reported valueAwardsPositive obligationsShare
National Park Service(1443)264$83.6M43.5%
Bureau of Reclamation(1425)37$31.3M16.3%
Bureau of Indian Affairs and Bureau of Indian Education(1450)33$29.6M15.4%
U.S. Geological Survey(1434)22$15.5M8.1%
Departmental Offices(1406)11$12.1M6.3%
U.S. Fish and Wildlife Service(1448)46$10.8M5.6%
Other reported values49$9.1M4.7%

Awarding offices

Reported valueAwardsPositive obligationsShare
Dsc Contracting Services Division(140P20)135$63.1M32.9%
Bureau of Indian Affairs(140A16)26$27.2M14.2%
Great Plains Regional Office(140R60)3$19.9M10.3%
Ofc of Acqusition Grants-National(140G01)14$15.0M7.8%
Ibc Acq Svcs Directorate (00004)(140D04)11$12.1M6.3%
Fws, Gaoa(140FGA)17$5.3M2.8%
Other reported values256$49.5M25.8%

Reported parent IDVs

Reported valueAwardsPositive obligationsShare
140F0822D0234(1448)4$20.3M10.6%
ING17PC00017(1434)2$12.1M6.3%
140A1624D0019(1450)2$8.0M4.2%
140P2023D0006(1443)4$8.0M4.2%
DEAM3609GO29029(8900)1$6.9M3.6%
140A1624D0033(1450)1$5.8M3.0%
140F0822D0274(1448)2$5.8M3.0%
140P2026D0005(1443)3$4.4M2.3%
Other reported values402$113.1M58.9%
Not reported41$7.5M3.9%

Exact vehicle-match evidence

Reported award data linked 25 awards to a specific catalog vehicle.

Offers, award size, and timing

Median reported offers
1 median
365 reported · 97 not reported
Positive award obligations
$131K median
$48K–$290K middle 50%
Reported performance period
413 days (~14 months) median
462 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 Sep 11, 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
36 of 167prime contractors account for at least 80% of positive obligations in the last 12 months
Largest prime contractor
11.2%of positive obligations in the last 12 months
Leading four prime contractors
26.0%of positive obligations in the last 12 months
Leading eight prime contractors
39.9%of positive obligations in the last 12 months

Based on $186.1M in positive obligations during the 12 months ending Sep 11, 2026. Individual shares and movement appear in the searchable rankings below. Movement compares with Sep 12, 2024–Sep 11, 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

    $20.8M

    11.2%

    Dollar movement

    +$20.6M

    vs. prior 12 months

    Last 12mo awards

    6 awards

    11 actions

    Historical and award details for FORSGREN ASSOCIATES INC
    Obligations: prior → latest
    $230K → $20.8M
    +8927.2%
    Share: prior → latest
    0.12% → 11.2%
    +11.1 percentage points
    All-period obligations
    $22.3M
    2.0% of all-period positive obligations · 16 awards
    Recorded activity
    Since Mar 9, 2022
    through Aug 11, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported66
    Reported small business66
    All-period set-aside types

    None reported.

  2. #2

    Last 12mo obligations

    $11.7M

    6.3%

    Dollar movement

    −$1.2M

    vs. prior 12 months

    Last 12mo awards

    6 awards

    10 actions

    Historical and award details for GENERAL DYNAMICS MISSION SYSTEMS, INC.
    Obligations: prior → latest
    $12.8M → $11.7M
    −9.0%
    Share: prior → latest
    7.0% → 6.3%
    −0.7 percentage points
    All-period obligations
    $79.7M
    7.3% of all-period positive obligations · 16 awards
    Recorded activity
    Since Oct 26, 2021
    through Sep 1, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported63
    Reported small business00
    All-period set-aside types

    None reported.

  3. #3

    Last 12mo obligations

    $8.2M

    4.4%

    Dollar movement

    +$4.9M

    vs. prior 12 months

    Last 12mo awards

    4 awards

    6 actions

    Historical and award details for DOWL, LLC
    Obligations: prior → latest
    $3.3M → $8.2M
    +149.2%
    Share: prior → latest
    1.8% → 4.4%
    +2.6 percentage points
    All-period obligations
    $25.2M
    2.3% of all-period positive obligations · 14 awards
    Recorded activity
    Since Nov 3, 2021
    through Jul 24, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported46
    Reported small business00
    All-period set-aside types

    None reported.

  4. #4

    Last 12mo obligations

    $7.7M

    4.2%

    Dollar movement

    +$3.9M

    vs. prior 12 months

    Last 12mo awards

    12 awards

    15 actions

    Historical and award details for JACOBS GOVERNMENT SERVICES COMPANY
    Obligations: prior → latest
    $3.9M → $7.7M
    +99.5%
    Share: prior → latest
    2.1% → 4.2%
    +2.1 percentage points
    All-period obligations
    $55.9M
    5.1% of all-period positive obligations · 52 awards
    Recorded activity
    Since Nov 2, 2021
    through Sep 4, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported1221
    Reported small business00
    All-period set-aside types

    None reported.

  5. #5

    Last 12mo obligations

    $7.3M

    3.9%

    Dollar movement

    +$1.5M

    vs. prior 12 months

    Last 12mo awards

    29 awards

    39 actions

    Historical and award details for OTAK, INC.
    Obligations: prior → latest
    $5.8M → $7.3M
    +25.2%
    Share: prior → latest
    3.1% → 3.9%
    +0.8 percentage points
    All-period obligations
    $32.8M
    3.0% of all-period positive obligations · 60 awards
    Recorded activity
    Since Jan 7, 2022
    through Sep 1, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported2930
    Reported small business00
    All-period set-aside types

    None reported.

  6. #6

    Last 12mo obligations

    $6.9M

    3.7%

    Dollar movement

    +$2.3M

    vs. prior 12 months

    Last 12mo awards

    1 award

    8 actions

    Historical and award details for AMERESCO INC
    Obligations: prior → latest
    $4.7M → $6.9M
    +48.7%
    Share: prior → latest
    2.5% → 3.7%
    +1.2 percentage points
    All-period obligations
    $27.0M
    2.5% of all-period positive obligations · 1 award
    Recorded activity
    Since Oct 28, 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 reported11
    Reported small business00
    All-period set-aside types

    None reported.

  7. #7

    Last 12mo obligations

    $5.8M

    3.1%

    Dollar movement

    +$4.6M

    vs. prior 12 months

    Last 12mo awards

    4 awards

    12 actions

    Historical and award details for BARR ENGINEERING CO.
    Obligations: prior → latest
    $1.3M → $5.8M
    +359.3%
    Share: prior → latest
    0.69% → 3.1%
    +2.4 percentage points
    All-period obligations
    $8.2M
    0.75% of all-period positive obligations · 17 awards
    Recorded activity
    Since Oct 27, 2021
    through Sep 2, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported45
    Reported small business00
    All-period set-aside types

    None reported.

  8. #8

    Last 12mo obligations

    $5.8M

    3.1%

    Dollar movement

    +$4.7M

    vs. prior 12 months

    Last 12mo awards

    2 awards

    2 actions

    Historical and award details for MSMM HUITT-ZOLLARS A JOINT VENTURE LLC
    Obligations: prior → latest
    $1.0M → $5.8M
    +462.6%
    Share: prior → latest
    0.55% → 3.1%
    +2.5 percentage points
    All-period obligations
    $6.8M
    0.62% of all-period positive obligations · 2 awards
    Recorded activity
    Since Sep 20, 2024
    through Jun 11, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported21
    Reported small business21
    All-period set-aside types

    None reported.

  9. #9

    Last 12mo obligations

    $5.4M

    2.9%

    Dollar movement

    −$15.9M

    vs. prior 12 months

    Last 12mo awards

    28 awards

    43 actions

    Historical and award details for HDR ENGINEERING, INC.
    Obligations: prior → latest
    $21.2M → $5.4M
    −74.7%
    Share: prior → latest
    11.5% → 2.9%
    −8.6 percentage points
    All-period obligations
    $77.4M
    7.0% of all-period positive obligations · 123 awards
    Recorded activity
    Since Oct 6, 2021
    through Aug 27, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside01
    Not reported2837
    Reported small business00
    All-period set-aside types

    None reported.

  10. #10

    Last 12mo obligations

    $4.4M

    2.4%

    Dollar movement

    +$4.4M

    vs. prior 12 months

    Last 12mo awards

    3 awards

    4 actions

    Historical and award details for JACOBS GOVERNMENT SERVICES COMPANY
    Obligations: prior → latest
    $0 → $4.4M
    Not comparable
    Share: prior → latest
    0% → 2.4%
    +2.4 percentage points
    All-period obligations
    $4.4M
    0.40% of all-period positive obligations · 3 awards
    Recorded activity
    Since May 14, 2026
    through Jun 25, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported30
    Reported small business00
    All-period set-aside types

    None reported.

  11. #11

    Last 12mo obligations

    $4.3M

    2.3%

    Dollar movement

    +$4.4M

    vs. prior 12 months

    Last 12mo awards

    16 awards

    22 actions

    Historical and award details for HDR ENGINEERING INC
    Obligations: prior → latest
    −$75K → $4.3M
    Not comparable
    Share: prior → latest
    0% → 2.3%
    +2.3 percentage points
    All-period obligations
    $4.3M
    0.39% of all-period positive obligations · 38 awards
    Recorded activity
    Since Dec 8, 2021
    through Sep 2, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported164
    Reported small business00
    All-period set-aside types

    None reported.

  12. #12

    Last 12mo obligations

    $4.3M

    2.3%

    Dollar movement

    +$67K

    vs. prior 12 months

    Last 12mo awards

    2 awards

    2 actions

    Historical and award details for SIEMENS GOVERNMENT TECHNOLOGIES INC
    Obligations: prior → latest
    $4.2M → $4.3M
    +1.6%
    Share: prior → latest
    2.3% → 2.3%
    0.0 percentage points
    All-period obligations
    $22.0M
    2.0% of all-period positive obligations · 4 awards
    Recorded activity
    Since Mar 14, 2022
    through Jun 1, 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.

  13. #13

    Last 12mo obligations

    $4.0M

    2.2%

    Dollar movement

    +$1.8M

    vs. prior 12 months

    Last 12mo awards

    18 awards

    33 actions

    Historical and award details for CROFT AND ASSOCIATES, INC.
    Obligations: prior → latest
    $2.3M → $4.0M
    +77.9%
    Share: prior → latest
    1.2% → 2.2%
    +0.9 percentage points
    All-period obligations
    $8.4M
    0.76% of all-period positive obligations · 25 awards
    Recorded activity
    Since Sep 1, 2023
    through Sep 9, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported1813
    Reported small business1813
    All-period set-aside types

    None reported.

  14. #14

    Last 12mo obligations

    $3.9M

    2.1%

    Dollar movement

    +$4.2M

    vs. prior 12 months

    Last 12mo awards

    3 awards

    5 actions

    Historical and award details for CDM FEDERAL PROGRAMS CORPORATION
    Obligations: prior → latest
    −$357K → $3.9M
    Not comparable
    Share: prior → latest
    0% → 2.1%
    +2.1 percentage points
    All-period obligations
    $6.5M
    0.59% of all-period positive obligations · 7 awards
    Recorded activity
    Since Jun 16, 2022
    through Jul 9, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside10
    Not reported23
    Reported small business00
    All-period set-aside types

    None reported.

  15. #15

    Last 12mo obligations

    $3.8M

    2.1%

    Dollar movement

    +$3.8M

    vs. prior 12 months

    Last 12mo awards

    9 awards

    10 actions

    Historical and award details for VANASSE HANGEN BRUSTLIN, INC.
    Obligations: prior → latest
    $0 → $3.8M
    Not comparable
    Share: prior → latest
    0% → 2.1%
    +2.1 percentage points
    All-period obligations
    $3.6M
    0.33% of all-period positive obligations · 16 awards
    Recorded activity
    Since Dec 21, 2021
    through Sep 10, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported90
    Reported small business00
    All-period set-aside types

    None reported.

Recent federal contract award activity

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

Base award

This action

+$19.0M

FORSGREN ASSOCIATES INC

GREAT PLAINS REGIONAL OFFICE

THIS TASK ORDER PROVIDES COMPREHENSIVE ARCHITECTURAL-ENGINEERING (A-E) DESIGN SERVICES FOR ARKANSAS VALLEY CONDUIT (AVC) CONTRACT 8, EXTENDING FROM REGULATING TANK 2 TO THE CITY OF LAMAR, COLORADO.

Why it stands out

The contractor climbed 90 positions in this market.

It now ranks #1 by positive obligations over the latest 12 months.

Award net obligations
$19.6M
Share of 12-month positive obligations
10.2%
Supporting data
Prime contractor
#1 · 11.2% share
up 90 ranks · +11.1 percentage points · $20.6M net increase; action accounted for 92.4%
Funding office
#3 · 10.8% attributed share
up 33 ranks · +10.5 percentage points · $19.3M net increase; action accounted for 98.5%
Related:Largest share gainFunding office gain
PIID 140R6025F0014
Modification

This action

+$5.8M

BARR ENGINEERING CO.

BUREAU OF INDIAN AFFAIRS

2025 COMPREHENSIVE REVIEWS GROUP 2

Why it stands out

The contractor climbed 29 positions in this market.

It now ranks #7 by positive obligations over the latest 12 months.

Award net obligations
$5.8M
Share of 12-month positive obligations
3.1%
Supporting data
Prime contractor
#7 · 3.1% share
up 29 ranks · +2.4 percentage points · $4.6M net increase; action exceeded it by $1.3M
Funding office
#2 · 14.7% attributed share
+1.0 percentage points · $1.8M net increase; action exceeded it by $4.0M
PIID 140A1625F0112 · Mod P00003
Modification

This action

+$3.2M

AMERESCO INC

FACILITIES ADMIN SERVICES (00030)

EO14042 ENERGY PERFORMANCE SAVINGS CONTRACT (ESPC)

Why it stands out

The contractor climbed 3 positions in this market.

It now ranks #6 by positive obligations over the latest 12 months.

Award net obligations
$61.3M
Share of 12-month positive obligations
1.7%
Supporting data
Funding office
#5 · 3.8% attributed share
down 1 rank · +1.3 percentage points · $2.3M net increase; action exceeded it by $889K
PIID IND15PD00353 · Mod P00079
Base award

This action

+$5.7M

MSMM HUITT-ZOLLARS A JOINT VENTURE LLC

DSC CONTRACTING SERVICES DIVISION

EVER 290451 - REHAB PARKWIDE WATER/WASTEWATER (FLAMINGO DISTRICT) AT EVERGLADES NATIONAL PARK, FLORIDA ARCHITECTURAL AND ENGINEERING (A-E) SERVICES DESIGN DEVELOPMENT (DD) AND CONSTRUCTION DOCUMENTS (CD) TASK ORDER

Why it stands out

The contractor climbed 37 positions in this market.

It now ranks #8 by positive obligations over the latest 12 months.

Award net obligations
$5.7M
Share of 12-month positive obligations
3.1%
Supporting data
Prime contractor
#8 · 3.1% share
up 37 ranks · +2.5 percentage points · $4.7M net increase; action exceeded it by $971K
Funding office
#1 · 32.2% attributed share
$12.9M net decline despite this positive action
PIID 140P2026F0068
Base award

This action

+$11.8M

GENERAL DYNAMICS MISSION SYSTEMS, INC.

OFC OF ACQUSITION GRANTS-NATIONAL

LANDSAT OPERATIONS TO 17 - OPERATIONS AND SUSTAINMENT

Why it stands out

A new award added obligations despite weaker contractor activity.

The action represented 6.3% of the market’s latest 12-month positive obligations while the contractor’s obligations fell $1.2M overall.

Award net obligations
$11.8M
Share of 12-month positive obligations
6.3%
Supporting data
Prime contractor
#2 · 6.3% share
$1.2M net decline despite this positive action
Funding office
#4 · 7.6% attributed share
$2.5M net decline despite this positive action
PIID 140G0126F0237
Base award

This action

+$4.3M

DOWL, LLC

BUREAU OF INDIAN AFFAIRS

FORT HALL REHABILITATION, SEE ATTACHED STATEMENTS OF WORK.

Why it stands out

The contractor climbed 12 positions in this market.

It now ranks #3 by positive obligations over the latest 12 months.

Award net obligations
$4.3M
Share of 12-month positive obligations
2.3%
Supporting data
Prime contractor
#3 · 4.4% share
up 12 ranks · +2.6 percentage points · $4.9M net increase; action accounted for 86.3%
PIID 140A1626F0002
View recent award activity by date (10)
  1. VANASSE HANGEN BRUSTLIN, INC.Base award · PIID 140P2026F0211
    Action+$389K
    Award net obligations$389K
  2. STANTEC CONSULTING SERVICES INC.Base award · PIID 140P2026F0230
    Action+$285K
    Award net obligations$285K
  3. WSP USA SOLUTIONS INCBase award · PIID 140P2026F0229
    Action+$166K
    Award net obligations$166K
  4. BSA ENVIRONMENTAL SERVICES INCBase award · PIID 140G0226P0277
    Action+$46K
    Award net obligations$46K
  5. SOUTH FLORIDA ENGINEERING AND CONSULTING LLCDeobligation · PIID 140FHR24F0007
    Action−$21K
    Award net obligations$86K
  6. ELIZABETH ALEXANDRA SARGENTModification · PIID 140P5126C0012
    Action+$11K
    Award net obligations$287K
  7. BEZEK-DURST-SEISER, INC.Modification · PIID 140P9725F0057
    Action+$10K
    Award net obligations$240K
  8. CROFT AND ASSOCIATES, INC.Base award · PIID 140P5426F0016
    Action+$195K
    Award net obligations$195K
  9. SOUTH FLORIDA ENGINEERING AND CONSULTING LLCBase award · PIID 140P5426F0015
    Action+$190K
    Award net obligations$190K
  10. VIKING SYSTEMS, INC.Deobligation · PIID 140P2025C0052
    Action−$165K
    Award net obligations$709K

DOI engineering services market FAQs

Answers based on reported federal contract data.

Who are the top DOI engineering services contractors?

In the 12 months through September 11, 2026, FORSGREN ASSOCIATES INC, GENERAL DYNAMICS MISSION SYSTEMS, INC., and DOWL, LLC were the leading DOI engineering services prime contractors by positive obligations.

  1. #1

    FORSGREN ASSOCIATES INC

    $20,784,818 in positive obligations

  2. #2

    GENERAL DYNAMICS MISSION SYSTEMS, INC.

    $11,685,092 in positive obligations

  3. #3

    DOWL, LLC

    $8,238,849 in positive obligations

Rankings use reported USAspending award data.

Did DOI contract obligations increase in the engineering services market?

Yes. Measured by net prime contract obligations, reported DOI activity in the engineering services market increased 0.8% from $181,754,797 in the preceding 12 months to $183,242,370 in the 12 months through September 11, 2026.

Latest 12 months
$183,242,370
Net prime contract obligations
Preceding 12 months
$181,754,797
Net prime contract obligations
Change
+0.8%
Between matched 12-month periods

Reported contract actions, not outlays or a forecast.

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

Recent DOI contract award activity reported in the engineering services market included actions for FORSGREN ASSOCIATES INC, BARR ENGINEERING CO., and AMERESCO INC during the 12 months through September 11, 2026.

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

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

From September 12, 2025 through September 11, 2026, DOI reported 462 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
462
Leading reported procedure
Subject to Multiple Award Fair Opportunity
44.6% of positive obligations
Leading award type
Delivery Order
94.5% of positive obligations
Full and open
45.9%
of positive obligations
Reported parent IDV
96.1%
of positive obligations
Observed vehicles
IA-NMAAEC, OASIS, and TACCOM II
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 September 11, 2026. Set-aside and business-size fields reflect award records, not a contractor's current eligibility.

Review data methodology