Top DoD commercial and institutional building construction contractors
In the 12 months ending Oct 5, 2026, the Department of Defense obligated $10.5B in net prime contract dollars under NAICS 236220, down 37.9% from $16.9B in the preceding 12 months. 1,288 prime contractors received positive obligations, and 116 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Defense. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
DoD publishes contract data to USAspending with a 90-day delay, so the most recent months understate DoD activity.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top DoD contractors for NAICS 236220
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | BL Harbert International LLC | $880.3M | $410.3M | 8.3% | ▲ 2 |
| 2 | Black Construction-Tutor Perini JV | $702.7M | $126.9M | 6.6% | ▲ 22 |
| 3 | M. a. Mortenson Company | $626.0M | $4.3M | 5.9% | ▲ 552 |
| 4 | Walsh Federal LLC | $394.0M | $159.4M | 3.7% | ▲ 13 |
| 5 | Clark Construction Group LLC | $295.7M | $402.9M | 2.8% | ▼ 1 |
| 6 | NAN Inc | $277.4M | $279.4M | 2.6% | ▲ 1 |
| 7 | Hensel Phelps Construction Co | $220.9M | $319.3M | 2.1% | ▼ 2 |
| 8 | Whiting-Turner Contracting Company, the | $216.5M | $211.4M | 2.0% | ▲ 4 |
| 9 | Conti Federal Services, LLC | $201.6M | $144.3M | 1.9% | ▲ 10 |
| 10 | RQ Construction, LLC | $176.2M | $569.3M | 1.7% | ▼ 9 |
| 11 | Maeda-Samsung-KGC-Onaka Joint Venture | $166.5M | $0 | 1.6% | New |
| 12 | Federal Contracting Inc | $139.5M | $71.4M | 1.3% | ▲ 27 |
| 13 | Cerris Builders, Inc | $139.2M | $1.7M | 1.3% | ▲ 800 |
| 14 | Korte Construction Company | $132.5M | $178.5M | 1.3% | ▲ 2 |
| 15 | Asrc Builders-Caddell, LLC | $130.0M | $111.0M | 1.2% | ▲ 14 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- M. a. Mortenson Company$4.3M → $626.0M (+$621.7M) · now #3
- Black Construction-Tutor Perini JV$126.9M → $702.7M (+$575.9M) · now #2
- BL Harbert International LLC$410.3M → $880.3M (+$470.0M) · now #1
Largest declines
- Harper Construction Company, Inc.$427.5M → $18.8M (−$408.7M) · now #93
- RQ Construction, LLC$569.3M → $176.2M (−$393.1M) · now #10
- Sauer Construction, LLC$289.5M → $33.7M (−$255.8M) · now #55
New to this market
110 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Maeda-Samsung-KGC-Onaka Joint Venture | Jan 28, 2026 | $166.5M |
| Exyte U.S., Inc. | Jan 5, 2026 | $89.9M |
| Accel 7 JV LLC | Feb 11, 2026 | $19.0M |
| Guarantee Interiors, Inc. | Jul 2, 2026 | $19.0M |
| Walsh - Turner JV II | Dec 23, 2025 | $17.3M |
| Nipoa Pacific LLC | Jun 10, 2026 | $12.8M |
| Endurance Assurance Corp | Jun 17, 2026 | $12.5M |
| Combined Group Contracting Company K.S.C.(Public) | May 1, 2026 | $9.1M |
Where the money comes from
Funding sub-agencies within the Department of Defense, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| Department of the Army | $4.9B | $6.7B | Down $1.8B (26.5%) |
| Department of the Navy | $4.1B | $6.3B | Down $2.3B (35.6%) |
| Department of the Air Force | $1.2B | $3.3B | Down $2.1B (63.1%) |
| Defense Logistics Agency | $121.5M | $210.9M | Down $89.3M (42.4%) |
| U.S. Special Operations Command | $61.3M | $124.6M | Down $63.3M (50.8%) |
| Washington Headquarters Services | $28.1M | $67.9M | Down $39.8M (58.6%) |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| N6247324F4252 | Harper Construction Company, Inc. P-201 DBB MACC TO JSF HANGAR MCAS MIRAMAR, CA | $182.5M | Nov 23, 2026 |
| W9128F24C0005 | BL Harbert International LLC CONSTRUCTION OF THE B21 WEAPONS GENERATION FACILITY - SITE F (WGF-F) ELLSWORTH AFB, SD | $208.8M | Jan 26, 2027 |
| N4008020C0001 | Clark Construction Group LLC P-114, SET 2, MEDICAL CENTER ADDITION/ALTERATION (MCAA), WALTER REED NATIONAL MILITARY MEDICAL CENTER (WRNMMC), NAVAL SUPPORT ACTIVITY BETHESDA, BETHESDA, MD | $329.7M | Jan 28, 2027 |
| N6945023C0044 | BL Harbert International LLC P45001 WEAPONS GENERATION FAC PACKAGE | $270.7M | Jan 28, 2027 |
| W912ER23C0002 | Aici-Archirodon JV LLC CONSTRUCTION OF A WHARF. HARBORMASTER CONTROL TOWER, PIERS, MAINTENANCE/FUELING FACILITIES & INFRASTRUCTURE IN SUPPORT OF ROYAL SAUDI NAVAL FORCE MULTI-MISSION SURFACE COMBATANT… | $400.1M | Mar 8, 2027 |
| N4008522F5863 | AECOM Technical Services, Inc. DB REPAIR BERTHS 40 AND 41, NORFOLK NAVAL SHIPYARD, PORTSMOUTH, VA | $229.7M | Apr 16, 2027 |
| W912DW23C0012 | Archer Western Federal JV CONSTRUCTION OF WEAPONS STORAGE AND MAINTENANCE FACILITY AT MONTANA. | $380.5M | Jul 15, 2027 |
| W912EP22C0008 | 4contractor JV DESIGN-BID-BUILD CONSTRUCTION CONTRACT IN SUPPORT OF PUERTO RICO ARMY NATIONAL GUARD (PRARNG) JOINT TRAINING CENTER MILITARY CONSTRUCTION (MILCON) PROJECTS, PUERTO RICO | $196.0M | Jul 23, 2027 |
| N6945024C0004 | RQ Construction, LLC PRECONSTRUCTION SERVICES (ECI), P684 TRIDENT REFIT FACILITY (TRF) EXPANSION | $195.7M | Jul 29, 2027 |
| W9128F23C0023 | Turner Construction Company DESIGN/BUILD NKO AND DCS FACILITIES - OFFUTT AFB,NE | $393.7M | Nov 2, 2027 |
Common questions
Who are the top DoD contractors for NAICS 236220?
In the latest 12 months, BL Harbert International LLC ($880.3M), Black Construction-Tutor Perini JV ($702.7M), M. a. Mortenson Company ($626.0M) received the most DoD obligations for commercial and institutional building construction.
How concentrated is this market?
The eight largest primes held 34.1% of positive obligations, and BL Harbert International LLC alone held 8.3%. 110 contractors won their first obligations in this market during the latest 12 months.
Are any large DoD NAICS 236220 contracts ending soon?
10 of the largest awards in this market reach their current end date in the next 18 months. The first is N6247324F4252 (Harper Construction Company, Inc., $182.5M obligated), ending Nov 23, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 236220 across all agencies
DHS · NAICS 236220
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$3.6BGSA · NAICS 236220
$1.7BHHS · NAICS 236220
$1.3BState Department · NAICS 236220
$770.5MDOT · NAICS 236220
$657.8MInterior · NAICS 236220
$573.4MUSDA · NAICS 236220
$367.2MFigures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
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