Top GSA heavy duty truck manufacturing contractors
In the 12 months ending Oct 5, 2026, the General Services Administration obligated $168.6M in net prime contract dollars under NAICS 336120, up 117.4% from $77.6M in the preceding 12 months. 12 prime contractors received positive obligations, and 5 of them accounted for 80% of that spend.
Prime contracts funded by the General Services Administration. 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 GSA contractors for NAICS 336120
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 | Houston Freightliner, Inc. | $43.4M | $28.7M | 25.7% | — |
| 2 | Central Kenworth LLC | $36.0M | $18.2M | 21.4% | — |
| 3 | Fleetside Ford, LLC. | $34.4M | $9.5M | 20.4% | ▲ 1 |
| 4 | International Motors, LLC | $18.1M | $10.1M | 10.8% | ▼ 1 |
| 5 | Mack Defense LLC | $18.0M | $6.3M | 10.7% | — |
| 6 | American Material Handling, Inc. | $12.4M | $0 | 7.3% | New |
| 7 | Tymco, Inc | $3.1M | $0 | 1.8% | New |
| 8 | Atlantic Coast Fire Trucks, LLC | $1.5M | $0 | 0.9% | New |
| 9 | Farber Specialty Vehicles, Inc | $1.1M | $0 | 0.6% | New |
| 10 | International Automated Systems Inc | $390K | $0 | 0.2% | New |
| 11 | Toms Truck Sales LLC | $225K | $0 | 0.1% | New |
| 12 | Oshkosh Defense LLC | $243 | $2K | 0.0% | ▼ 4 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Fleetside Ford, LLC.$9.5M → $34.4M (+$25.0M) · now #3
- Central Kenworth LLC$18.2M → $36.0M (+$17.9M) · now #2
- Houston Freightliner, Inc.$28.7M → $43.4M (+$14.7M) · now #1
Largest declines
- HME, Inc.$3.7M → $0 (−$3.7M) · no latest-period obligations
- Maryland Industrial Trucks, Incorporated$1.2M → −$2K (−$1.2M) · no latest-period obligations
- Oshkosh Defense LLC$2K → $243 (−$1K) · now #12
New to this market
6 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| American Material Handling, Inc. | Feb 24, 2026 | $12.4M |
| Tymco, Inc | Jul 13, 2026 | $3.1M |
| Atlantic Coast Fire Trucks, LLC | Feb 19, 2026 | $1.5M |
| Farber Specialty Vehicles, Inc | Jun 18, 2026 | $1.1M |
| International Automated Systems Inc | Jul 24, 2026 | $390K |
| Toms Truck Sales LLC | Jul 28, 2026 | $225K |
Where the money comes from
Funding sub-agencies within the General Services Administration, 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 Acquisition Service | $168.6M | $77.6M | Up $91.1M (117.4%) |
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 |
|---|---|---|---|
| 47QMCA25F11QD | HME, Inc. NON-STANDARD | $1.1M | Oct 27, 2026 |
| 47QMCA26F11CM | Atlantic Coast Fire Trucks, LLC NON-STANDARD | $1.5M | Mar 10, 2028 |
| 47QMCA24F0DAF | Pierce Manufacturing Inc MULTIPLE AWARD SCHEDULES (MAS) | $1.0M | Mar 31, 2028 |
| 47QMCA24F0DAE | Pierce Manufacturing Inc MULTIPLE AWARD SCHEDULES (MAS) | $1.5M | Mar 31, 2028 |
Common questions
Who are the top GSA contractors for NAICS 336120?
In the latest 12 months, Houston Freightliner, Inc. ($43.4M), Central Kenworth LLC ($36.0M), Fleetside Ford, LLC. ($34.4M) received the most GSA obligations for heavy duty truck manufacturing.
How concentrated is this market?
The eight largest primes held 99.0% of positive obligations, and Houston Freightliner, Inc. alone held 25.7%. 6 contractors won their first obligations in this market during the latest 12 months.
Are any large GSA NAICS 336120 contracts ending soon?
4 of the largest awards in this market reach their current end date in the next 18 months. The first is 47QMCA25F11QD (HME, Inc., $1.1M obligated), ending Oct 27, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 336120 across all agencies
DoD · NAICS 336120
$225.3MInterior · NAICS 336120
$18.8MFigures 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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