Federal Capture Intelligence

Top DOI architectural services contractors (NAICS 541310)

Contract actions: October 1, 2021 – October 23, 2026 Updated October 24, 2026 Department of the Interior agency guide NAICS 541310 · Architectural Services
Latest 12 months
$20.3M
Net obligations · Down $27.4M vs. $47.7M preceding
Prime contractors
29
With positive obligations in the latest 12 months

Research the DOI federal contracting market for architectural services under NAICS 541310. Compare top federal contractors and market share, reported contract obligations and spending trends, funding-office attribution, recent award activity, and contract types, competition, and procurement methods.

Contract obligation trends for Architectural Services at the Department of the Interior

Federal records show $238.2M in net obligations across 1,390 awards in Architectural Services at the Department of the Interior from Oct 1, 2021 through Oct 23, 2026. This market accounts for 0.89% of $26.8B in agency-wide net prime contract obligations over the period shown. Latest 12-month net obligations decreased 57.4% from $47.7M to $20.3M. 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: $685K versus $0 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$59.8M834Complete
FY2023$51.9M734Complete
FY2024$58.5M703Complete
FY2025$47.7M524Complete
FY2026$19.6M327Complete

Market at a glance

All reported prime contract awards
All-period net obligations
$238.2M
1,390 awards · 109 prime contractors
Latest 12-month movement
−57.4%
$20.3M vs. $47.7M
Leading eight prime share
72.8%
Share held by the eight leading prime contractors in the latest 12 months
View agency share, denominators, and set-aside reporting
Agency context
0.89% of $26.8B in agency-wide net obligations.
Set-aside share when reported
38.8% of 85 awards with reported set-aside status.
Set-aside reporting
33 set aside · 52 no set-aside · 1,305 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

QUINN EVANS ARCHITECTS INC lost the most market share
12.9%→4.8%−8.1 percentage points
The contractor now ranks #6 by positive obligations, based on 16 reported actions.
CROFT AND ASSOCIATES, INC. fell the most in the contractor rankings
#7→#13Down 6 places
The contractor accounts for 2.5% of positive obligations across 27 reported actions.
ROLLUDA ARCHITECTS, LLC gained the most market share
1.2%→5.7%+4.5 percentage points
The contractor now ranks #5 by positive obligations, based on 11 reported actions.

Buyer demand

Reported obligations through DSC CONTRACTING SERVICES DIVISION decreased
$30.3M→$8.9M−$21.4M
Latest-period activity spans 83 awards across 24 prime contractors.
Reported obligations through NER SERVICES MABO (43000) increased
$356K→$2.3M+$1.9M
Latest-period activity spans 12 awards across 6 prime contractors.

Market structure

Top-five contractor share increased
52.7%→59.0%+6.3 percentage points
Contractors outside the top five now account for 41.0% 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.

43.8% of positive obligations were attributed to DSC CONTRACTING SERVICES DIVISION. That represents $8.9M, down $21.4M from the preceding 12 months.

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

  1. DSC CONTRACTING SERVICES DIVISION43.8% · $8.9M · down $21.4M
  2. NER SERVICES MABO (43000)11.1% · $2.3M · up $1.9M
  3. PWR SF/SEA MABO(85000)10.7% · $2.2M · down $1.4M
  4. MWR MIDWEST REGION(60000)8.3% · $1.7M · down $1.1M
  5. OFFICE OF ACQUISITON GRANTS3.9% · $785K · down $1.3M
  6. All other reported offices22.3% 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

    $8.9M

    43.8% of positive obligations

    Versus preceding 12 months

    −$21.4M

    24 active prime contractors · 83 awards

    View office comparison and evidence

    Reported obligations decreased 70.5% from $30.3M to $8.9M. The office’s share of positive obligations moved from 63.4% to 43.8%, a change of −19.6 percentage points.

    The latest period contains 112 actions across 83 awards and 2 newly active prime contractors. The preceding period contained 30 active prime contractors and 155 awards.

    Leading award-level changes

  2. Reported funding office

    NER SERVICES MABO (43000)

    #2Up 11 from #13

    Latest 12 months

    $2.3M

    11.1% of positive obligations

    Versus preceding 12 months

    +$1.9M

    6 active prime contractors · 12 awards

    View office comparison and evidence

    Reported obligations increased 534.9% from $356K to $2.3M. The office’s share of positive obligations moved from 0.74% to 11.1%, a change of +10.3 percentage points.

    The latest period contains 14 actions across 12 awards and 3 newly active prime contractors. The preceding period contained 4 active prime contractors and 8 awards.

    Leading award-level changes

  3. Reported funding office

    PWR SF/SEA MABO(85000)

    #3Down 1 from #2

    Latest 12 months

    $2.2M

    10.7% of positive obligations

    Versus preceding 12 months

    −$1.4M

    4 active prime contractors · 26 awards

    View office comparison and evidence

    Reported obligations decreased 38.6% from $3.5M to $2.2M. The office’s share of positive obligations moved from 7.4% to 10.7%, a change of +3.3 percentage points.

    The latest period contains 29 actions across 26 awards. The preceding period contained 6 active prime contractors and 33 awards.

  4. Reported funding office

    MWR MIDWEST REGION(60000)

    #4Down 1 from #3

    Latest 12 months

    $1.7M

    8.3% of positive obligations

    Versus preceding 12 months

    −$1.1M

    7 active prime contractors · 39 awards

    View office comparison and evidence

    Reported obligations decreased 39.7% from $2.8M to $1.7M. The office’s share of positive obligations moved from 5.9% to 8.3%, a change of +2.4 percentage points.

    The latest period contains 45 actions across 39 awards. The preceding period contained 10 active prime contractors and 53 awards.

  5. Reported funding office

    OFFICE OF ACQUISITON GRANTS

    #5Down 1 from #4

    Latest 12 months

    $785K

    3.9% of positive obligations

    Versus preceding 12 months

    −$1.3M

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations decreased 62.2% from $2.1M to $785K. The office’s share of positive obligations moved from 4.3% to 3.9%, a change of −0.5 percentage points.

    The latest period contains 1 action across 1 award. The preceding period contained 3 active prime contractors and 3 awards.

  6. Reported funding office

    PWR GOGA(86000)

    #6New to the positive-obligation ranking

    Latest 12 months

    $687K

    3.4% of positive obligations

    Versus preceding 12 months

    +$687K

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations rose from $0 to $687K. The office’s share of positive obligations moved from 0% to 3.4%, a change of +3.4 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.

  7. Reported funding office

    NATIONAL PARK SERVICE CONTRACTING ACTIVITY

    #7New to the positive-obligation ranking

    Latest 12 months

    $685K

    3.4% of positive obligations

    Versus preceding 12 months

    +$685K

    4 active prime contractors · 4 awards

    View office comparison and evidence

    Reported obligations rose from $0 to $685K. The office’s share of positive obligations moved from 0% to 3.4%, a change of +3.4 percentage points.

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

  8. Reported funding office

    MWR OHIO(64000)

    #8New to the positive-obligation ranking

    Latest 12 months

    $506K

    2.5% of positive obligations

    Versus preceding 12 months

    +$506K

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations rose from $0 to $506K. The office’s share of positive obligations moved from 0% to 2.5%, a change of +2.5 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.

  9. Reported funding office

    SER EAST MABO(51000)

    #9Up 3 from #12

    Latest 12 months

    $474K

    2.3% of positive obligations

    Versus preceding 12 months

    +$69K

    7 active prime contractors · 12 awards

    View office comparison and evidence

    Reported obligations increased 16.9% from $405K to $474K. The office’s share of positive obligations moved from 0.85% to 2.3%, a change of +1.5 percentage points.

    The latest period contains 18 actions across 12 awards and 2 newly active prime contractors. The preceding period contained 10 active prime contractors and 16 awards.

  10. Reported funding office

    NORTHEAST REGIONAL CONTRACTING

    #10Up 1 from #11

    Latest 12 months

    $439K

    2.1% of positive obligations

    Versus preceding 12 months

    +$20K

    7 active prime contractors · 12 awards

    View office comparison and evidence

    Reported obligations increased 4.9% from $418K to $439K. The office’s share of positive obligations moved from 0.87% to 2.1%, a change of +1.3 percentage points.

    The latest period contains 21 actions across 12 awards and 1 newly active prime contractor. The preceding period contained 11 active prime contractors and 19 awards.

  11. Reported funding office

    NER SUPPLY MABO(45000)

    #13New to the positive-obligation ranking

    Latest 12 months

    $308K

    1.5% of positive obligations

    Versus preceding 12 months

    +$345K

    2 active prime contractors · 2 awards

    View office comparison and evidence

    Reported obligations moved from $37K in net deobligations to $308K in net obligations. The office’s share of positive obligations moved from 0% to 1.5%, a change of +1.5 percentage points.

    The latest period contains 4 actions across 2 awards and 1 newly active prime contractor. The preceding period contained 3 active prime contractors and 3 awards.

  12. Reported funding office

    FWS SOUTHWEST REGIONAL OFFICE

    No positive-obligation rank

    Latest 12 months

    $0

    0% of positive obligations

    Versus preceding 12 months

    −$1.5M

    1 active prime contractor · 1 award

    View office comparison and evidence

    Reported obligations decreased 100.0% from $1.5M to $0. The office’s share of positive obligations moved from 3.2% to 0%, a change of −3.2 percentage points.

    The latest period contains 1 action across 1 award. The preceding period contained 2 active prime contractors and 2 awards.

  13. Reported funding office

    DEPT OF INTERIOR NATIONAL PARK SVC

    No positive-obligation rank

    Latest 12 months

    $0

    0% of positive obligations

    Versus preceding 12 months

    −$1.4M

    0 active prime contractors · 0 awards

    View office comparison and evidence

    Reported obligations decreased 100.0% from $1.4M to $0. The office’s share of positive obligations moved from 2.9% to 0%, a change of −2.9 percentage points.

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

Contract types, competition, and procurement methods

From Oct 24, 2025 through Oct 23, 2026, 106 awards had positive obligations totaling $22.1M. Np was the leading reported procedure, accounting for 22.8% of positive obligations. Awards with a reported parent IDV accounted for 94.8%.

Leading award type
94.8%
Delivery Order
Leading reported procedure
22.8%
Np
Reported parent IDV
94.8%
of positive obligations had a reported parent IDV
Median reported offers
1
59 of 106 awards reported offers

Buying method changes

Compared with Oct 24, 2024–Oct 23, 2025. Based on 106 current awards and 185 preceding awards with positive net obligations.

Reported full-and-open obligation share
31.9%
Down from 49.0% 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 541310 peer median, parent-IDV obligation share is 14.4 percentage points higher, reported full-and-open obligation share is 12.1 percentage points higher, delivery-order obligation share is 14.4 percentage points higher, and median positive award obligations are 32.3% lower.

MeasureThis marketPeer medianDifference
Parent-IDV obligation share94.8%80.3%+14.4 pts
Reported full-and-open obligation share31.9%19.9%+12.1 pts
Delivery-order obligation share94.8%80.3%+14.4 pts
Median positive award obligations$100K$147K-32.3%
Peer cohort and comparison limits

The peer median gives each of the 10 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)101$21.0M94.8%
Definitive Contract(D)4$1.1M4.9%
Purchase Order(B)1$71K0.32%

Reported parent-award types

Reported valueAwardsPositive obligationsShare
IDC(B)101$21.0M94.8%
Not reported5$1.2M5.2%

Single- or multiple-award parent structure

Reported valueAwardsPositive obligationsShare
Single Award(S)47$13.8M62.4%
Multiple Award(M)54$7.2M32.4%
Not reported5$1.2M5.2%

Solicitation procedures

Reported valueAwardsPositive obligationsShare
Np(NEGOTIATED PROPOSAL/QUOTE)15$5.0M22.8%
Subject to Multiple Award Fair Opportunity(MAFO)35$4.0M18.2%
Architect-Engineer FAR 6.102(AE)13$3.7M16.6%
Negotiated Proposal/Quote(NP)14$3.3M15.0%
Mafo(SUBJECT TO MULTIPLE AWARD FAIR OPPORTUNITY)19$3.1M14.2%
Ae(ARCHITECT-ENGINEER FAR 6.102)8$2.7M12.0%
Other reported values2$255K1.2%

Extent competed

Reported valueAwardsPositive obligationsShare
Full and Open Competition(A)38$7.1M31.9%
A(FULL AND OPEN COMPETITION)19$7.0M31.8%
Full and Open Competition After Exclusion of Sources(D)24$4.0M17.9%
D(FULL AND OPEN COMPETITION AFTER EXCLUSION OF SOURCES)23$3.8M17.2%
Competed Under SAP(F)1$184K0.83%
G(NOT COMPETED UNDER SAP)1$71K0.32%

Fair-opportunity and limited-source reporting

Reported valueAwardsPositive obligationsShare
Fair Opportunity Given(FAIR)35$3.7M16.7%
Follow-on Action Following Competitive Initial Action(FOO)13$3.0M13.5%
Competitive Set Aside(CSA)3$378K1.7%
Other Statutory Authority(OSA)1$88K0.40%
Only One Source - Other(ONE)2$33K0.15%
Not reported52$15.0M67.6%

Other-than-full-and-open reasons

Reported valueAwardsPositive obligationsShare
SAP Non-Competition (FAR 13)(SP2)1$71K0.32%
Urgency (FAR 6.302-2)(URG)1$26K0.12%
Not reported104$22.0M99.6%

Contract pricing types

Reported valueAwardsPositive obligationsShare
Firm Fixed Price(J)63$11.2M50.7%
J(FIRM FIXED PRICE)43$10.9M49.3%

Product or Service Codes

Reported valueAwardsPositive obligationsShare
Architect and Engineering- General: Other(C219)70$17.7M79.9%
Architect and Engineering- General: Landscaping, Interior Layout, and Designing(C211)34$3.6M16.2%
Architect and Engineering- Construction: Govt-Owned Govt-Operated (Gogo) Environmental Laboratories(C1HZ)1$785K3.5%
Architect and Engineering- Construction: Office Buildings(C1AA)1$73K0.33%

Awarding subagencies

Reported valueAwardsPositive obligationsShare
National Park Service(1443)100$20.4M92.2%
U.S. Geological Survey(1434)2$877K4.0%
Departmental Offices(1406)2$719K3.3%
Public Buildings Service(4740)2$136K0.62%

Awarding offices

Reported valueAwardsPositive obligationsShare
Dsc Contracting Services Division(140P20)31$9.6M43.6%
Ner Services Mabo (43000)(140P43)10$2.3M10.2%
Pwr Sf/Sea Mabo(85000)(140P85)12$2.2M10.0%
Mwr Midwest Region(60000)(140P60)22$1.8M8.2%
Doi, Nps Conops Strategic(140PS1)2$824K3.7%
Office of Acquisiton Grants(140G03)1$785K3.5%
Other reported values28$4.6M20.8%

Reported parent IDVs

Reported valueAwardsPositive obligationsShare
140P2022D0001(1443)13$4.1M18.7%
140P2022D0004(1443)3$3.0M13.7%
140P2021D0014(1443)17$2.8M12.6%
140P2022D0002(1443)7$1.3M5.9%
140P2021D0016(1443)5$1.2M5.6%
140P2022D0006(1443)2$1.0M4.7%
140P6023D0005(1443)8$977K4.4%
140P2023D0004(1443)1$924K4.2%
Other reported values45$5.5M25.0%
Not reported5$1.2M5.2%

Offers, award size, and timing

Median reported offers
1 median
59 reported · 47 not reported
Positive award obligations
$100K median
$47K–$240K middle 50%
Reported performance period
297 days (~10 months) median
106 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 29prime contractors account for at least 80% of positive obligations in the last 12 months
Largest prime contractor
19.5%of positive obligations in the last 12 months
Leading four prime contractors
53.3%of positive obligations in the last 12 months
Leading eight prime contractors
72.8%of positive obligations in the last 12 months

Based on $21.2M 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

    $4.1M

    19.5%

    Dollar movement

    +$269K

    vs. prior 12 months

    Last 12mo awards

    17 awards

    25 actions

    Historical and award details for GWWO, INC.
    Obligations: prior → latest
    $3.9M → $4.1M
    +7.0%
    Share: prior → latest
    8.0% → 19.5%
    +11.5 percentage points
    All-period obligations
    $19.3M
    8.1% of all-period positive obligations · 71 awards
    Recorded activity
    Since Oct 28, 2021
    through Oct 22, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside01
    Not reported1720
    Reported small business00
    All-period set-aside types

    None reported.

  2. #2

    Last 12mo obligations

    $3.0M

    14.2%

    Dollar movement

    −$1.7M

    vs. prior 12 months

    Last 12mo awards

    9 awards

    13 actions

    Historical and award details for DHM DESIGN CORPORATION
    Obligations: prior → latest
    $4.7M → $3.0M
    −36.2%
    Share: prior → latest
    9.8% → 14.2%
    +4.4 percentage points
    All-period obligations
    $16.9M
    7.1% of all-period positive obligations · 57 awards
    Recorded activity
    Since Nov 15, 2021
    through Sep 24, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported925
    Reported small business925
    All-period set-aside types

    None reported.

  3. #3

    Last 12mo obligations

    $2.8M

    13.4%

    Dollar movement

    −$5.0M

    vs. prior 12 months

    Last 12mo awards

    35 awards

    42 actions

    Historical and award details for ANDERSON HALLAS ARCHITECTS, PC
    Obligations: prior → latest
    $7.8M → $2.8M
    −63.8%
    Share: prior → latest
    16.2% → 13.4%
    −2.8 percentage points
    All-period obligations
    $25.9M
    10.8% of all-period positive obligations · 157 awards
    Recorded activity
    Since Oct 6, 2021
    through Sep 24, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside30
    Reported no set-aside00
    Not reported3242
    Reported small business3542
    All-period set-aside types
    • 7 · Total small business
  4. #4

    Last 12mo obligations

    $1.3M

    6.2%

    Dollar movement

    +$93K

    vs. prior 12 months

    Last 12mo awards

    13 awards

    17 actions

    Historical and award details for AECOM SERVICES, LLC
    Obligations: prior → latest
    $1.2M → $1.3M
    +7.6%
    Share: prior → latest
    2.5% → 6.2%
    +3.7 percentage points
    All-period obligations
    $9.3M
    3.9% of all-period positive obligations · 47 awards
    Recorded activity
    Since Jan 3, 2022
    through Sep 24, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported1319
    Reported small business00
    All-period set-aside types

    None reported.

  5. #5

    Last 12mo obligations

    $1.2M

    5.7%

    Dollar movement

    +$633K

    vs. prior 12 months

    Last 12mo awards

    9 awards

    11 actions

    Historical and award details for ROLLUDA ARCHITECTS, LLC
    Obligations: prior → latest
    $574K → $1.2M
    +110.4%
    Share: prior → latest
    1.2% → 5.7%
    +4.5 percentage points
    All-period obligations
    $3.3M
    1.4% of all-period positive obligations · 11 awards
    Recorded activity
    Since Nov 1, 2022
    through Oct 22, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported97
    Reported small business97
    All-period set-aside types

    None reported.

  6. #6

    Last 12mo obligations

    $1.0M

    4.8%

    Dollar movement

    −$5.2M

    vs. prior 12 months

    Last 12mo awards

    10 awards

    16 actions

    Historical and award details for QUINN EVANS ARCHITECTS INC
    Obligations: prior → latest
    $6.2M → $1.0M
    −83.5%
    Share: prior → latest
    12.9% → 4.8%
    −8.1 percentage points
    All-period obligations
    $14.3M
    6.0% of all-period positive obligations · 55 awards
    Recorded activity
    Since Oct 19, 2021
    through Sep 25, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside01
    Not reported1018
    Reported small business00
    All-period set-aside types

    None reported.

  7. #7

    Last 12mo obligations

    $977K

    4.6%

    Dollar movement

    −$1.8M

    vs. prior 12 months

    Last 12mo awards

    15 awards

    17 actions

    Historical and award details for STRATA ARCHITECTURE INC.
    Obligations: prior → latest
    $2.8M → $977K
    −64.9%
    Share: prior → latest
    5.8% → 4.6%
    −1.1 percentage points
    All-period obligations
    $14.7M
    6.1% of all-period positive obligations · 53 awards
    Recorded activity
    Since Dec 17, 2021
    through Sep 22, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside11
    Reported no set-aside00
    Not reported1420
    Reported small business1521
    All-period set-aside types
    • 1 · Total small business
  8. #8

    Last 12mo obligations

    $924K

    4.4%

    Dollar movement

    +$924K

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for AYERS/SAINT/GROSS, INCORPORATED
    Obligations: prior → latest
    $0 → $924K
    Not comparable
    Share: prior → latest
    0% → 4.4%
    +4.4 percentage points
    All-period obligations
    $2.3M
    0.94% of all-period positive obligations · 6 awards
    Recorded activity
    Since Mar 2, 2023
    through Dec 16, 2025

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported12
    Reported small business00
    All-period set-aside types

    None reported.

  9. #9

    Last 12mo obligations

    $921K

    4.3%

    Dollar movement

    +$737K

    vs. prior 12 months

    Last 12mo awards

    7 awards

    8 actions

    Historical and award details for VITETTA GROUP INCORPORATED
    Obligations: prior → latest
    $183K → $921K
    +401.8%
    Share: prior → latest
    0.38% → 4.3%
    +4.0 percentage points
    All-period obligations
    $1.8M
    0.74% of all-period positive obligations · 10 awards
    Recorded activity
    Since Mar 2, 2023
    through Sep 24, 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

    None reported.

  10. #10

    Last 12mo obligations

    $828K

    3.9%

    Dollar movement

    −$672K

    vs. prior 12 months

    Last 12mo awards

    14 awards

    18 actions

    Historical and award details for HDR ENGINEERING INC
    Obligations: prior → latest
    $1.5M → $828K
    −44.8%
    Share: prior → latest
    3.1% → 3.9%
    +0.8 percentage points
    All-period obligations
    $4.6M
    1.9% of all-period positive obligations · 57 awards
    Recorded activity
    Since Oct 21, 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 reported1418
    Reported small business00
    All-period set-aside types

    None reported.

  11. #11

    Last 12mo obligations

    $785K

    3.7%

    Dollar movement

    −$892K

    vs. prior 12 months

    Last 12mo awards

    1 award

    1 action

    Historical and award details for ARCHITECTS HAWAII LTD
    Obligations: prior → latest
    $1.7M → $785K
    −53.2%
    Share: prior → latest
    3.5% → 3.7%
    +0.2 percentage points
    All-period obligations
    $3.8M
    1.6% of all-period positive obligations · 1 award
    Recorded activity
    Since Nov 12, 2021
    through Jul 22, 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.

  12. #12

    Last 12mo obligations

    $719K

    3.4%

    Dollar movement

    −$1.3M

    vs. prior 12 months

    Last 12mo awards

    2 awards

    2 actions

    Historical and award details for HOUSER WALKER ARCHITECTURE, LLC
    Obligations: prior → latest
    $2.0M → $719K
    −63.9%
    Share: prior → latest
    4.1% → 3.4%
    −0.7 percentage points
    All-period obligations
    $6.7M
    2.8% of all-period positive obligations · 22 awards
    Recorded activity
    Since Jul 12, 2022
    through Jul 10, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported27
    Reported small business27
    All-period set-aside types

    None reported.

  13. #13

    Last 12mo obligations

    $531K

    2.5%

    Dollar movement

    −$1.2M

    vs. prior 12 months

    Last 12mo awards

    22 awards

    27 actions

    Historical and award details for CROFT AND ASSOCIATES, INC.
    Obligations: prior → latest
    $1.7M → $531K
    −68.5%
    Share: prior → latest
    3.5% → 2.5%
    −1.0 percentage points
    All-period obligations
    $12.4M
    5.2% of all-period positive obligations · 111 awards
    Recorded activity
    Since Oct 19, 2021
    through Oct 22, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported2232
    Reported small business2232
    All-period set-aside types
    • 1 · Partial small business
  14. #14

    Last 12mo obligations

    $390K

    1.8%

    Dollar movement

    −$955K

    vs. prior 12 months

    Last 12mo awards

    5 awards

    8 actions

    Historical and award details for LIOLLIO ARCHITECTURE PC
    Obligations: prior → latest
    $1.3M → $390K
    −71.0%
    Share: prior → latest
    2.8% → 1.8%
    −0.9 percentage points
    All-period obligations
    $5.7M
    2.4% of all-period positive obligations · 38 awards
    Recorded activity
    Since Oct 26, 2021
    through Sep 2, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside12
    Not reported414
    Reported small business415
    All-period set-aside types

    None reported.

  15. #15

    Last 12mo obligations

    $358K

    1.7%

    Dollar movement

    −$348K

    vs. prior 12 months

    Last 12mo awards

    10 awards

    13 actions

    Historical and award details for THE SCHEMMER ASSOCIATES INC.
    Obligations: prior → latest
    $706K → $358K
    −49.3%
    Share: prior → latest
    1.5% → 1.7%
    +0.2 percentage points
    All-period obligations
    $3.6M
    1.5% of all-period positive obligations · 41 awards
    Recorded activity
    Since Nov 19, 2021
    through Oct 19, 2026

    Award reporting

    Latest and prior 12-month award reporting
    Reported award evidenceLatestPrior
    Reported set-aside00
    Reported no set-aside00
    Not reported1012
    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

+$1.9M

DHM DESIGN CORPORATION

DSC CONTRACTING SERVICES DIVISION

GRCA 352837 - NORTH RIM DESIGN SERVICES, AT GRAND CANYON NATIONAL PARK, ARIZONA; ARCHITECTURAL AND ENGINEERING (A-E) SERVICES PLANNING SERVICES TASK ORDER

Why it stands out

A new award added obligations despite weaker contractor activity.

The action represented 9.0% of the market’s latest 12-month positive obligations while the contractor’s obligations fell $1.7M overall.

Award net obligations
$2.9M
Share of 12-month positive obligations
9.0%
Supporting data
Prime contractor
#2 · 14.2% share
$1.7M net decline despite this positive action
Funding office
#1 · 43.8% attributed share
$21.4M net decline despite this positive action
PIID 140P2026F0130
Base award

This action

+$687K

ROLLUDA ARCHITECTS, LLC

PWR GOGA(86000)

COMPLETE PRE-DESIGN ENGINEERING AND SCHEMATIC DESIGN FOR ALCATRAZ ISLAND FERRY TERMINAL FACILITIES, GOLDEN GATE NATIONAL RECREATION AREA, PMIS#343666

Why it stands out

The contractor climbed 15 positions in this market.

It now ranks #5 by positive obligations over the latest 12 months.

Award net obligations
$687K
Share of 12-month positive obligations
3.2%
Supporting data
Funding office
#6 · 3.4% attributed share
+3.4 percentage points · $687K net increase; action accounted for 100.0%
PIID 140P8626F0012
Modification

This action

+$785K

ARCHITECTS HAWAII LTD

OFFICE OF ACQUISITON GRANTS

EO 14398 ARCHITECTURAL AND ENGINEERING SERVICES - DESIGN PHASE, REPLACE USGS FACILITIES IN HAWAII

Why it stands out

This award grew while spending attributed to its office declined.

The modification added $785K while office-attributed obligations fell $1.3M overall.

Award net obligations
$11.1M
Share of 12-month positive obligations
3.7%
Supporting data
Prime contractor
#11 · 3.7% share
$892K net decline despite this positive action
Funding office
#5 · 3.9% attributed share
$1.3M net decline despite this positive action
PIID 140G0321C0003 · Mod P00012
Modification

This action

+$673K

QUINN EVANS ARCHITECTS INC

DSC CONTRACTING SERVICES DIVISION

CAHA TITLE III REPAIR CAPE HATTERAS LIGHTHOUSE (CAHA 213068), RESTORE OR RECONSTRUCT HISTORIC FIRST ORDER FRESNEL LENS IN CAPE HATTERAS LIGHTHOUSE (CAHA 319350), IMPROVE AND RESTORE HISTORIC LANDSCAPE AT CAPE HATTERAS LIGHT STATION (CAHA 319351) AT C

Why it stands out

This award grew while spending attributed to its office declined.

The modification added $673K while office-attributed obligations fell $21.4M overall.

Award net obligations
$1.8M
Share of 12-month positive obligations
3.2%
Supporting data
Prime contractor
#6 · 4.8% share
$5.2M net decline despite this positive action
Funding office
#1 · 43.8% attributed share
$21.4M net decline despite this positive action
PIID 140P2024F0040 · Mod P00008
Base award

This action

+$644K

GWWO, INC.

NER SERVICES MABO (43000)

ACAD-CADILLAC MT AND SAND BEACH TI & TII

Why it stands out

The contractor climbed 3 positions in this market.

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

Award net obligations
$644K
Share of 12-month positive obligations
3.0%
Supporting data
Funding office
#2 · 11.1% attributed share
up 11 ranks · +10.3 percentage points · $1.9M net increase; action accounted for 33.8%
Related:Funding office gain
PIID 140P4326F0037
Base award

This action

+$787K

ANDERSON HALLAS ARCHITECTS, PC

PWR SF/SEA MABO(85000)

PREPARE A COMPREHENSIVE REHABILITATION PLAN FOR THE WAWONA HOTEL, PHASE I, YOSEMITE NATIONAL PARK, CALIFORNIA

Why it stands out

A new award added obligations despite weaker contractor activity.

The action represented 3.7% of the market’s latest 12-month positive obligations while the contractor’s obligations fell $5.0M overall.

Award net obligations
$787K
Share of 12-month positive obligations
3.7%
Supporting data
Prime contractor
#3 · 13.4% share
$5.0M net decline despite this positive action
Funding office
#3 · 10.7% attributed share
$1.4M net decline despite this positive action
PIID 140P8526F0058
View recent award activity by date (10)
  1. GWWO, INC.Base award · PIID 140PP027F0008
    Action+$693K
    Award net obligations$693K
  2. CROFT AND ASSOCIATES, INC.Deobligation · PIID 140P5424F0052
    Action−$8K
    Award net obligations$62K
  3. QUINN EVANS ARCHITECTS INCBase award · PIID 140P4326F0043
    Action+$105K
    Award net obligations$105K
  4. GHD INC.Deobligation · PIID 140P2025C0043
    Action−$39K
    Award net obligations$230K
  5. DHM DESIGN CORPORATIONModification · PIID 140P2026F0130
    Action+$896K
    Award net obligations$2.9M
  6. AECOM SERVICES, LLCBase award · PIID 140P4526F0022
    Action+$308K
    Award net obligations$308K
  7. ANDERSON HALLAS ARCHITECTS, PCBase award · PIID 140P1526F0028
    Action+$209K
    Award net obligations$209K
  8. VITETTA GROUP INCORPORATEDBase award · PIID 140P4326F0042
    Action+$190K
    Award net obligations$190K
  9. AECOM SERVICES, LLCBase award · PIID 140P4326F0038
    Action+$151K
    Award net obligations$151K
  10. DHM DESIGN CORPORATIONDeobligation · PIID 140P2023F0291
    Action−$18K
    Award net obligations$1.0M

DOI architectural services market FAQs

Answers based on reported federal contract data.

Who are the top DOI architectural services contractors?

In the 12 months through October 23, 2026, GWWO, INC., DHM DESIGN CORPORATION, and ANDERSON HALLAS ARCHITECTS, PC were the leading DOI architectural services prime contractors by positive obligations.

  1. #1

    GWWO, INC.

    $4,126,025 in positive obligations

  2. #2

    DHM DESIGN CORPORATION

    $3,008,178 in positive obligations

  3. #3

    ANDERSON HALLAS ARCHITECTS, PC

    $2,833,149 in positive obligations

Rankings use reported USAspending award data.

Did DOI contract obligations decrease in the architectural services market?

Yes. Measured by net prime contract obligations, reported DOI activity in the architectural services market decreased 57.4% from $47,688,113 in the preceding 12 months to $20,304,721 in the 12 months through October 23, 2026.

Latest 12 months
$20,304,721
Net prime contract obligations
Preceding 12 months
$47,688,113
Net prime contract obligations
Change
−57.4%
Between matched 12-month periods

Reported contract actions, not outlays or a forecast.

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

Recent DOI contract award activity reported in the architectural services market included actions for DHM DESIGN CORPORATION, ROLLUDA ARCHITECTS, LLC, and ARCHITECTS HAWAII LTD 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 DOI contracts under NAICS 541310?

From October 24, 2025 through October 23, 2026, DOI reported 106 positive-obligation awards for architectural services under NAICS 541310. The leading award type was delivery order. The leading reported procedure was np.

Positive-obligation awards
106
Leading reported procedure
Np
22.8% of positive obligations
Leading award type
Delivery Order
94.8% of positive obligations
Full and open
32%
of positive obligations
Reported parent IDV
94.8%
of positive obligations

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