Top DOT commercial and institutional building construction contractors
In the 12 months ending Oct 5, 2026, the Department of Transportation obligated $657.8M in net prime contract dollars under NAICS 236220, up 73.1% from $380.0M in the preceding 12 months. 115 prime contractors received positive obligations, and 7 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Transportation. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top DOT 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 | Walsh Federal LLC | $228.2M | $139.0M | 34.4% | — |
| 2 | Brasfield & Gorrie LLC | $131.0M | $699K | 19.8% | ▲ 33 |
| 3 | Stronghold Engineering Inc | $100.9M | $0 | 15.2% | New |
| 4 | Honeywell International Inc | $21.4M | $51.5M | 3.2% | ▼ 1 |
| 5 | Globe Construction Company | $20.2M | $5.4M | 3.0% | ▲ 5 |
| 6 | Emcor Government Services, Inc | $16.5M | $11.4M | 2.5% | — |
| 7 | CON Tech Building Systems, Inc. | $13.3M | $0 | 2.0% | New |
| 8 | Daco Construction Company Inc | $12.5M | $1.2M | 1.9% | ▲ 19 |
| 9 | Maguire-Ohara Construction Inc | $10.5M | $394K | 1.6% | ▲ 36 |
| 10 | Guardian Construction, Inc. | $10.4M | $1.6M | 1.6% | ▲ 13 |
| 11 | E Corp | $8.6M | $14.1M | 1.3% | ▼ 6 |
| 12 | Enfield Enterprises LLC | $7.4M | $4.5M | 1.1% | — |
| 13 | Procon International LLC | $7.2M | $0 | 1.1% | New |
| 14 | Amerifield LLC | $7.1M | $0 | 1.1% | New |
| 15 | The Matthews Group Inc | $6.9M | $14.3M | 1.0% | ▼ 11 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Brasfield & Gorrie LLC$699K → $131.0M (+$130.3M) · now #2
- Stronghold Engineering Inc$0 → $100.9M (+$100.9M) · now #3
- Walsh Federal LLC$139.0M → $228.2M (+$89.2M) · now #1
Largest declines
- Structsure Projects Inc$64.8M → $182K (−$64.7M) · now #64
- Honeywell International Inc$51.5M → $21.4M (−$30.1M) · now #4
- West Point Contractors, Inc.$10.2M → $0 (−$10.2M) · no latest-period obligations
New to this market
30 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Stronghold Engineering Inc | Aug 27, 2026 | $100.9M |
| Procon International LLC | Feb 20, 2026 | $7.2M |
| Amerifield LLC | Feb 9, 2026 | $7.1M |
| Urban Electric, Inc | Mar 23, 2026 | $6.3M |
| DCM Architecture & Engineering, LLC | Sep 29, 2026 | $2.4M |
| Brice Terra LLC | Feb 20, 2026 | $2.2M |
| Constructure Inc | Sep 11, 2026 | $1.5M |
| Electri-Tech, Inc. | Aug 26, 2026 | $1.1M |
Where the money comes from
Funding sub-agencies within the Department of Transportation, 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 |
|---|---|---|---|
| Federal Aviation Administration | $621.7M | $353.2M | Up $268.6M (76.0%) |
| Immediate Office of the Secretary of Transportation | $16.6M | $12.0M | Up $4.6M (38.5%) |
| Saint Lawrence Seaway Development Corporation | $13.3M | $0 | New |
| Maritime Administration | $5.9M | $13.0M | Down $7.1M (54.8%) |
| Federal Highway Administration | $168K | $632K | Down $464K (73.4%) |
| Federal Transit Administration | $107K | $148K | Down $41K (28.0%) |
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 |
|---|---|---|---|
| 697DCK23C00127 | Structsure Projects Inc MODERNIZE A BUILDING RECENTLY ACQUIRED BY THE FAA AT 3721 MACINTOSH DR., WARRENTON, VA | $20.6M | Oct 30, 2026 |
| 697DCK24F00705 | E Corp AIRPORT TRAFFIC CONTROL TOWER AND CAB MODERNIZATION MINNEAPOLIS-SAINT PAUL INTERNATIONAL AIRPORT (MSP), MINNEAPOLIS, MN BIPARTISAN INFRASTRUCTURE LAW FUNDING | $10.8M | Jan 15, 2027 |
| 693JF720C000020 | Kallidus Technologies, Inc. SAMUELS HALL RENOVATION PROJECT CONTRACT AWARD | $32.8M | Mar 25, 2027 |
| 697DCK25F00914 | West Point Contractors, Inc. UNDERGROUND UTILITIES REPLACEMENT & PARKING LOT REFURBISHMENT PROJECT AT FAA'S LOS ANGELES AIR ROUTE TRAFFIC CONTROL CENTER (ZLA). | $10.2M | Mar 31, 2027 |
| 697DCK25F00062 | The Matthews Group Inc S46 TRACON MAJOR MECH MOD (JCN 19001809) | $11.8M | Jun 2, 2027 |
| 697DCK24F01123 | E Corp DESIGN BUILD PROJECT TO MODERNIZE THE SLC ATCT, TRACON BUILDING AND BASE BUILDING. | $10.8M | Sep 30, 2027 |
| 697DCK26C00036 | Guardian Construction, Inc. IIJA - PHOENIX INTERNATIONAL AIRPORT BASE BUILDING AND P50 TRACON FIRE LIFE SAFETY | $10.3M | Nov 26, 2027 |
| 6973GH26C00167 | Daco Construction Company Inc REBUILD TOWER SITE IN LEESVILLE, LA | $9.8M | Dec 31, 2027 |
| 6923G526C0021 | CON Tech Building Systems, Inc. CONSTRUCTION OF THE NEW GLS ADMINISTRATION BUILDING & MAINTENANCE GARAGE | $13.3M | Jan 3, 2028 |
| 697DCK25C00252 | Structsure Projects Inc CONSTRUCT A NEW LAW ATCT AT THE LAWTON FORT-SILL REGIONAL AIRPORT IN LAWTON, OK | $63.9M | Feb 28, 2028 |
Common questions
Who are the top DOT contractors for NAICS 236220?
In the latest 12 months, Walsh Federal LLC ($228.2M), Brasfield & Gorrie LLC ($131.0M), Stronghold Engineering Inc ($100.9M) received the most DOT obligations for commercial and institutional building construction.
How concentrated is this market?
The eight largest primes held 82.1% of positive obligations, and Walsh Federal LLC alone held 34.4%. 30 contractors won their first obligations in this market during the latest 12 months.
Are any large DOT 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 697DCK23C00127 (Structsure Projects Inc, $20.6M obligated), ending Oct 30, 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
$31.9BDoD · NAICS 236220
$10.5BVA · NAICS 236220
$3.6BGSA · NAICS 236220
$1.7BHHS · NAICS 236220
$1.3BState Department · NAICS 236220
$770.5MInterior · 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.
Ready to connect your pursuit work?
GovEagle gives BD directors, capture managers, and proposal teams one AI workspace from pipeline through proposal, with CMMC/FedRAMP Certified compliance built in.