Industries › NAICS 336510
Industry · NAICS 336510 · sector 31-33 Manufacturing
Railroad Rolling Stock Manufacturing
Federal contract obligations classified under NAICS 336510, the organisations that win them and the agencies that award them.
USAspending caveat. Figures are obligations reported by federal agencies to USAspending.gov, not payments. In USAspending's words: "An outlay occurs when federal money is actually paid out, not just promised to be paid ('obligated')." "Every agency has a Senior Accountable Official who must officially certify that the quarterly financial data submitted by their agency is accurate and complete." "If there are any discrepancies in procurement data, FPDS is the authoritative source." Contract data for the Department of Defense and the U.S. Army Corps of Engineers is published with a 90-day delay. Data loaded 30 Sep 2026.
Federal agencies obligated $25M in contracts classified under NAICS 336510, Railroad Rolling Stock Manufacturing, in FY2026, and $75M over the five fiscal years since FY2023; the industry ranks 461 of 526 on this site.
Obligations were up 38% on FY2025 ($18M), with $0 so far in FY2027.
The largest recipient organisations by the value of $1.0M-plus awards since FY2023 were S & S Forest Products, LLC ($18M), Ebenezer Railcar Services, Inc. ($12M) and Eastern R&e Co. LTD ($9.3M).
By place of performance, the most money went to MN.
Contract obligations by fiscal year
Compared with the largest industry FY2026
| Measure | This industry | Aircraft Manufacturing | All contracts |
|---|---|---|---|
| Contract obligations, FY2026 | $25M | $45B | $716B |
| Five-year total | $75M | $211B | $3.0T |
| Share of all contract obligations, five years | 0% | 7.1% | 100% |
Top contractors $1.0M+ award value since FY2023
| # | Organisation | Awards | Award value |
|---|---|---|---|
| 1 | S & S Forest Products, LLC | 1 | $18M |
| 2 | Ebenezer Railcar Services, Inc. | 2 | $12M |
| 3 | Eastern R&e Co. LTD | 3 | $9.3M |
| 4 | Specsys Inc | 2 | $7.9M |
| 5 | Knoxville Locomotive Works, Inc. | 1 | $5.8M |
| 6 | Ognagnus LLC | 1 | $3.9M |
| 7 | Shin Sung System Co,.ltd. | 1 | $3.0M |
| 8 | American Equipment Company | 1 | $2.1M |
| 9 | KNDS Defence UK Limited | 1 | $1.3M |
| 10 | McClung-Logan Equipment Company, Inc. | 1 | $1.1M |
Buying agencies $1.0M+ awards
Where the work is performed
Largest awards since FY2023
| Recipient | Awarding agency | Type | Award value | Begun | Place | Record |
|---|---|---|---|---|---|---|
| S & S Forest Products, LLC | Department of DefenseDepartment of the Army | ContractDefinitive Contract | $18M | 28 Apr 2026 | IL | USAspending |
| Ebenezer Railcar Services, Inc. | Department of TransportationImmediate Office of the Secretary of Transportation | ContractPurchase Order | $6.9M | 22 Aug 2025 | NY | USAspending |
| Knoxville Locomotive Works, Inc. | Department of TransportationImmediate Office of the Secretary of Transportation | ContractPurchase Order | $5.8M | 14 Aug 2024 | TN | USAspending |
| Ebenezer Railcar Services, Inc. | Department of TransportationImmediate Office of the Secretary of Transportation | ContractPurchase Order | $5.1M | 26 Sep 2024 | NY | USAspending |
| Specsys Inc | Department of TransportationImmediate Office of the Secretary of Transportation | ContractPurchase Order | $4.7M | 15 Sep 2023 | MN | USAspending |
| Ognagnus LLC | Department of TransportationImmediate Office of the Secretary of Transportation | ContractPurchase Order | $3.9M | 7 Mar 2024 | MA | USAspending |
| Eastern R&e Co. LTD | Department of DefenseDepartment of the Army | ContractDelivery Order | $3.2M | 30 Dec 2024 | — | USAspending |
| Specsys Inc | Department of TransportationImmediate Office of the Secretary of Transportation | ContractPurchase Order | $3.1M | 28 Jul 2024 | MN | USAspending |
| Eastern R&e Co. LTD | Department of DefenseDepartment of the Army | ContractDelivery Order | $3.1M | 27 May 2024 | — | USAspending |
| Eastern R&e Co. LTD | Department of DefenseDepartment of the Army | ContractDelivery Order | $3.1M | 30 Dec 2025 | — | USAspending |
Other industries in sector 31-33: Manufacturing
- 336411 Aircraft Manufacturing $211B
- 336414 Guided Missile and Space Vehicle Manufacturing $126B
- 336611 Ship Building and Repairing $118B
- 325412 Pharmaceutical Preparation Manufacturing $70B
- 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing $69B
- 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing $66B
- 324110 Petroleum Refineries $41B
- 336412 Aircraft Engine and Engine Parts Manufacturing $40B
- 332993 Ammunition (except Small Arms) Manufacturing $31B
- 336992 Military Armored Vehicle, Tank, and Tank Component Manufacturing $26B
- 325411 Medicinal and Botanical Manufacturing $18B
- 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing $17B
- 339999 All Other Miscellaneous Manufacturing $15B
- 334111 Electronic Computer Manufacturing $13B
- 334290 Other Communications Equipment Manufacturing $9.7B
- 336419 Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing $8.1B
- 332410 Power Boiler and Heat Exchanger Manufacturing $8.1B
- 336111 Automobile Manufacturing $7.1B
- 336415 Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing $6.6B
- 339112 Surgical and Medical Instrument Manufacturing $6.2B
- 331410 Nonferrous Metal (except Aluminum) Smelting and Refining $6.1B
- 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing $5.9B
- 336212 Truck Trailer Manufacturing $5.5B
- 311999 All Other Miscellaneous Food Manufacturing $5.4B
Questions and answers
How much does the federal government spend on NAICS 336510?
$25M in contract obligations classified under Railroad Rolling Stock Manufacturing in FY2026, $75M over the five fiscal years since FY2023. Obligations are commitments, not payments.
Who are the top contractors in Railroad Rolling Stock Manufacturing?
S & S Forest Products, LLC ($18M), Ebenezer Railcar Services, Inc. ($12M), Eastern R&e Co. LTD ($9.3M), Specsys Inc ($7.9M), Knoxville Locomotive Works, Inc. ($5.8M), by the value of $1M-plus awards since FY2023.
Which agencies buy in this industry?
By the value of $1.0M-plus contracts since FY2023: Department of Defense ($34M), Department of Transportation ($31M).
What is a NAICS code?
In USAspending's words: "NAICS stands for the North American Industrial Classification System. This 6-digit code tells you what industry the work falls into. Each contract record has a NAICS code." Assistance awards (grants, loans, direct payments) carry no NAICS code and are not counted here.
Provenance
Source: USAspending.gov API v2, spending by category (NAICS) by fiscal year, recipient cross-tabulation for FY2022–FY2025 and award search, loaded 30 Sep 2026. State figures come from each state's top-100 NAICS list, so small amounts in a state may be missing. See methodology.