NAICS 336510: Railroad Rolling Stock Manufacturing

Railroad Rolling Stock Manufacturing is NAICS code 336510. A business is small under it with 1,500 employees or fewer. 2 federal contracts are open on SAM.gov under this code right now.

SBA size standard
1,500 employees or fewer
Open contracts now
2
Federal spending, FY2025
$18.4 million
Share won by small businesses
82%

Open federal contracts for railroad rolling stock manufacturing

  • Solicitation: W912CH-26-B-0006 Nozzle, Fuel, Oil; NSN: 4930-01-440-1085 - AMENDED

    Dept of Defense · Dept of the Army · Warren, MI

    ✦ The U.S. Army (Army Contracting Command-Detroit Arsenal) is buying a fuel oil nozzle (NSN 4930-01-440-1085) under a sealed-bid Invitation for Bids.

    Aircraft, ship & vehicle parts

    Due in 996 daysJun 29, 2029

  • Nozzle, Fuel, Oil NSN:4930-01-440-1085

    Dept of Defense · Dept of the Army · Warren, MI

    ✦ The Army Contracting Command at Detroit Arsenal (Warren, MI) is buying a fuel oil nozzle (NSN 4930-01-440-1085) through a sealed Invitation for Bids.

    Aircraft, ship & vehicle parts

    Due in 996 daysJun 29, 2029

What NAICS 336510 covers

The Census Bureau's NAICS index lists these kinds of work under 336510:

  • Brakes and parts for railroad rolling stock manufacturing
  • Buses, trackless trolley, manufacturing
  • Industrial locomotives and parts manufacturing
  • Light rail cars and equipment manufacturing
  • Locomotives manufacturing
  • Locomotives rebuilding
  • Lubrication systems, locomotive (except pumps), manufacturing
  • Mining locomotives and parts manufacturing
  • Rail laying and tamping equipment manufacturing
  • Railroad cars and car equipment manufacturing
  • Railroad cars, self-propelled, manufacturing
  • Railroad locomotives and parts (except diesel engines) manufacturing
  • Rapid transit cars and equipment manufacturing
  • Rolling stock, railroad, rebuilding

The index lists 16 entries for this code in all.

Read the full definition, including what's excluded, on census.gov.

SBA size standard for 336510

To count as a small business for a contract assigned NAICS 336510, your business must have 1,500 employees or fewer. Employees are averaged over the last 24 months.

From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.

Who buys railroad rolling stock manufacturing

Agencies that awarded the most under NAICS 336510 over the last three fiscal years, per USAspending.gov:

AgencyObligated
Department of the Army$34.5 million
Immediate Office of the Secretary of Transportation$29.7 million
Defense Logistics Agency$1.3 million
National Park Service$560,989
National Oceanic and Atmospheric Administration$50,473
Department of State$13,284
Defense Contract Management Agency$0
Department of the Navy$-282,150

Open notices right now come from Dept of Defense (2).

Set-asides on open 336510 contracts

  • No set-aside (full and open): 2

Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.

Federal spending under 336510 by year

Fiscal yearContract obligations
FY2024$21.5 million
FY2025$18.4 million
FY2026$25.5 million
FY2027 (so far)$0

Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.

Frequently asked questions

What is NAICS code 336510?

336510 is the 2022 NAICS code for Railroad Rolling Stock Manufacturing. The Census Bureau's index lists work such as brakes and parts for railroad rolling stock manufacturing, buses, trackless trolley, manufacturing, industrial locomotives and parts manufacturing under it. Federal contracting uses the 2022 codes.

What is the SBA size standard for NAICS 336510?

1,500 employees or fewer. A business at or under that is small for contracts assigned this code. The current SBA table took effect Mar 17, 2023.

Are there government contracts for railroad rolling stock manufacturing?

Yes. 2 federal contract opportunities under NAICS 336510 are open on SAM.gov right now. Agencies obligated about $18.4 million under this code in fiscal year 2025, according to USAspending.gov.

How do I add NAICS code 336510 to my SAM.gov registration?

Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.

Keep going

FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.