Top DOT all other specialty trade contractors contractors
In the 12 months ending Oct 5, 2026, the Department of Transportation obligated $11.9M in net prime contract dollars under NAICS 238990, down 4.5% from $12.5M in the preceding 12 months. 29 prime contractors received positive obligations, and 8 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 238990
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 | Dupont Building, Inc. | $3.9M | $3.7M | 32.6% | — |
| 2 | Lawrence Solutions, LLC | $2.9M | $0 | 23.7% | New |
| 3 | Valcorp Enterprises LLC | $806K | $0 | 6.7% | New |
| 4 | Gravitec Systems Inc | $518K | $578K | 4.3% | ▲ 2 |
| 5 | Kastel Enterprises MK LLC | $473K | $0 | 3.9% | New |
| 6 | Lonergan Electric Service Inc | $433K | $0 | 3.6% | New |
| 7 | Ecology MIR Group LLC | $413K | $180K | 3.4% | ▲ 10 |
| 8 | Anvil Steel Engineering Inc | $361K | $509K | 3.0% | ▼ 1 |
| 9 | Giacorp Contracting Inc | $348K | $0 | 2.9% | New |
| 10 | Sake Contracting Inc. | $285K | $7K | 2.4% | ▲ 29 |
| 11 | M. E. Tafoya Enterprises, Inc. | $242K | $0 | 2.0% | New |
| 12 | Avantgarde LLC | $226K | $201K | 1.9% | ▲ 3 |
| 13 | Tether, Inc. | $215K | $0 | 1.8% | New |
| 14 | Glenchoice Management LLC | $188K | $203K | 1.6% | — |
| 15 | Bartkowski Life Safety Corp | $180K | $245K | 1.5% | ▼ 3 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Lawrence Solutions, LLC$0 → $2.9M (+$2.9M) · now #2
- Valcorp Enterprises LLC$0 → $806K (+$806K) · now #3
- Kastel Enterprises MK LLC$0 → $473K (+$473K) · now #5
Largest declines
- Crosstek Solutions LLC$1.6M → −$59K (−$1.7M) · no latest-period obligations
- Westbrook Towers Inc$1.0M → $15K (−$1.0M) · now #26
- Lavacks Custom Builders, Inc.$882K → $0 (−$882K) · no latest-period obligations
New to this market
11 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Lawrence Solutions, LLC | Aug 12, 2026 | $2.9M |
| Valcorp Enterprises LLC | May 4, 2026 | $806K |
| Kastel Enterprises MK LLC | Oct 24, 2025 | $473K |
| Lonergan Electric Service Inc | May 28, 2026 | $433K |
| Giacorp Contracting Inc | Jul 23, 2026 | $348K |
| Tether, Inc. | Jun 29, 2026 | $215K |
| W. O. Grubb Steel Erection Incorporated | Apr 8, 2026 | $60K |
| US Service Solutions LLC | Oct 30, 2025 | $52K |
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 | $8.0M | $11.2M | Down $3.1M (28.1%) |
| Immediate Office of the Secretary of Transportation | $3.1M | $201K | Up $2.9M (1428.0%) |
| Saint Lawrence Seaway Development Corporation | $537K | $1.1M | Down $549K (50.6%) |
| Maritime Administration | $285K | $24K | Up $261K (1072.9%) |
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 |
|---|---|---|---|
| 693JK426C500007 | Lawrence Solutions, LLC DOT HQ CONSOLIDATION PROJECT | $2.9M | Aug 23, 2027 |
| 693JK422P600025 | Avantgarde LLC THE CONTRACTOR SHALL SUPPORT THE EPRC ORGANIZATION BY PERFORMING MOSTLY TECHNICAL SUPPORT RELATED TO EXECUTIVE RESOURCES RECRUITMENT AND STAFFING ACTIVITIES, REVIEWING AND… | $1.1M | Sep 29, 2027 |
Common questions
Who are the top DOT contractors for NAICS 238990?
In the latest 12 months, Dupont Building, Inc. ($3.9M), Lawrence Solutions, LLC ($2.9M), Valcorp Enterprises LLC ($806K) received the most DOT obligations for all other specialty trade contractors.
How concentrated is this market?
The eight largest primes held 81.2% of positive obligations, and Dupont Building, Inc. alone held 32.6%. 11 contractors won their first obligations in this market during the latest 12 months.
Are any large DOT NAICS 238990 contracts ending soon?
2 of the largest awards in this market reach their current end date in the next 18 months. The first is 693JK426C500007 (Lawrence Solutions, LLC, $2.9M obligated), ending Aug 23, 2027. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
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$6.7MFigures 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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