Top DOT support activities for rail transportation contractors
In the 12 months ending Oct 5, 2026, the Department of Transportation obligated $6.4M in net prime contract dollars under NAICS 488210, up 230.5% from $1.9M in the preceding 12 months. 4 prime contractors received positive obligations, and 2 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 488210
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 | Quality Turbocharger Components LLC | $3.6M | $1.8M | 55.2% | — |
| 2 | Duos Technologies, Inc. | $2.6M | $0 | 39.7% | New |
| 3 | C. R. Elgin Investment LLC | $174K | $0 | 2.7% | New |
| 4 | Union Pacific Railroad Company | $155K | $1K | 2.4% | — |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Duos Technologies, Inc.$0 → $2.6M (+$2.6M) · now #2
- Quality Turbocharger Components LLC$1.8M → $3.6M (+$1.7M) · now #1
- C. R. Elgin Investment LLC$0 → $174K (+$174K) · now #3
Largest declines
- CSX Transportation, Inc$125K → $0 (−$125K) · no latest-period obligations
- University of South Carolina$0 → −$17K (−$17K) · no latest-period obligations
- Union Internationale DES Chemins DE FER$11K → $0 (−$11K) · no latest-period obligations
New to this market
2 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Duos Technologies, Inc. | Jul 2, 2026 | $2.6M |
| C. R. Elgin Investment LLC | Jul 29, 2026 | $174K |
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 |
|---|---|---|---|
| Immediate Office of the Secretary of Transportation | $3.7M | $1.8M | Up $1.9M (102.6%) |
| Federal Railroad Administration | $2.5M | −$4K | Up $2.5M (57457.2%) |
| Federal Highway Administration | $155K | $107K | Up $49K (45.7%) |
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 |
|---|---|---|---|
| 693JJ626C000017 | Duos Technologies, Inc. THE FEDERAL RAILROAD ADMINISTRATION (FRA) SEEKS THE DEVELOPMENT OF TESTING AND VALIDATION OF MOBILE RAILCAR INSPECTION PORTAL (MRIP). THE SCOPE OF THIS EFFORT INVOLVES THE… | $2.6M | Dec 31, 2027 |
Common questions
Who are the top DOT contractors for NAICS 488210?
In the latest 12 months, Quality Turbocharger Components LLC ($3.6M), Duos Technologies, Inc. ($2.6M), C. R. Elgin Investment LLC ($174K) received the most DOT obligations for support activities for rail transportation.
How concentrated is this market?
The eight largest primes held 100.0% of positive obligations, and Quality Turbocharger Components LLC alone held 55.2%. 2 contractors won their first obligations in this market during the latest 12 months.
Are any large DOT NAICS 488210 contracts ending soon?
1 of the largest awards in this market reach their current end date in the next 18 months. The first is 693JJ626C000017 (Duos Technologies, Inc., $2.6M obligated), ending Dec 31, 2027. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 488210 across all agencies
DoD · NAICS 488210
$17.5MFigures 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.