What is NAICS code 333613?

NAICS 333613 is the industry "Mechanical Power Transmission Equipment Manufacturing" in the North American Industry Classification System, part of the Manufacturing sector (33).

What is the size standard for NAICS 333613?

The SBA sets a small business size standard for each NAICS code, either average annual receipts or number of employees. Check the current value for 333613 in the SBA table of size standards on sba.gov; it changes from time to time.

NAICS Code 333613: Mechanical Power Transmission Equipment Manufacturing

NAICS code 333613 is the industry for mechanical power transmission equipment manufacturing in the Manufacturing sector. Agencies tag every federal contract with a NAICS code, so this is the code to list in your SAM.gov registration and to search for bids.

Government contracts under NAICS 333613

Federal agencies obligated $697M on contracts under NAICS 333613 from FY2024 to FY2026, including $154M in FY2026. The biggest buyers were the Department of Defense, the Department of Homeland Security, the Department of Transportation. The largest contractors were Allison Transmission Inc, Idsc Holdings LLC, Kampi Components Co Inc.

See the full breakdown: government mechanical power transmission equipment manufacturing contracts, who wins and who buys.

Open government bids for NAICS 333613

The newest open notices from SAM.gov. Bidding needs a free SAM.gov registration.

25--SLEEVE,HYDRAULIC HOSE,Closing soon
Dept of Defense · Combined Synopsis/Solicitation · NAICS 333613
Posted Nov 1, 2026 · Responses due Nov 9, 2026
30--GEARSHAFT,MULTIPLE GEA
Dept of Defense · Combined Synopsis/Solicitation · NAICS 333613 · Small Business Set Aside - Total
Posted Nov 1, 2026 · Responses due Nov 12, 2026
CUSTOM GEARBOX
Dept of Defense · Solicitation · NAICS 333613 · WA · No Set aside used
Posted Oct 30, 2026 · Responses due Nov 22, 2026
30--HOUSING,MECHANICAL DRIClosing soon
Dept of Defense · Combined Synopsis/Solicitation · NAICS 333613 · Small Business Set Aside - Total
Posted Oct 29, 2026 · Responses due Nov 9, 2026
30--SHAFT,SHOULDEREDClosing soon
Dept of Defense · Combined Synopsis/Solicitation · NAICS 333613 · Small Business Set Aside - Total
Posted Oct 29, 2026 · Responses due Nov 9, 2026

See all 7 open bids under NAICS 333613

Small business size standard for NAICS 333613

To bid on small business set-aside contracts under NAICS 333613, your business must be small under the SBA size standard for this code, measured either by average annual receipts or by number of employees. The values are updated periodically, so check the current SBA table of size standards before you bid.

Other NAICS codes in 3336

How to choose the right NAICS code

Pick the 6-digit code that best describes what you sell. List it as your primary code in SAM.gov, and add other codes for related work. Agencies choose one NAICS code for each contract, so check the codes on past awards for the kind of work you do. Search all codes in the NAICS code lookup.

Related guides

Frequently asked questions

What is NAICS code 333613?: NAICS 333613 is the industry "Mechanical Power Transmission Equipment Manufacturing" in the North American Industry Classification System, part of the Manufacturing sector (33).
What is the size standard for NAICS 333613?: The SBA sets a small business size standard for each NAICS code, either average annual receipts or number of employees. Check the current value for 333613 in the SBA table of size standards on sba.gov; it changes from time to time.
Are there government contracts for NAICS 333613?: Yes. Federal agencies obligated $697M on contracts under NAICS 333613 from FY2024 to FY2026, and 7 notices are open right now.