What is NAICS code 333618?

NAICS 333618 is the industry "Other Engine Equipment Manufacturing" in the North American Industry Classification System, part of the Manufacturing sector (33).

What is the size standard for NAICS 333618?

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 333618 in the SBA table of size standards on sba.gov; it changes from time to time.

NAICS Code 333618: Other Engine Equipment Manufacturing

NAICS code 333618 is the industry for other engine 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 333618

Federal agencies obligated $2B on contracts under NAICS 333618 from FY2024 to FY2026, including $640M in FY2026. The biggest buyers were the Department of Defense, the Department of Homeland Security, the Department of Veterans Affairs. The largest contractors were Cummins Inc., Rolls-Royce Solutions America Inc, Fairbanks Morse, LLC.

See the full breakdown: government other engine equipment manufacturing contracts, who wins and who buys.

Open government bids for NAICS 333618

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

29--STARTER,ENGINE,GAS TURClosing soon
Dept of Defense · Combined Synopsis/Solicitation · NAICS 333618
Posted Nov 1, 2026 · Responses due Nov 9, 2026
29--FILTER ELEMENT,FLUID
Dept of Defense · Combined Synopsis/Solicitation · NAICS 333618 · Small Business Set Aside - Total
Posted Nov 1, 2026 · Responses due Nov 16, 2026
28--ENGINE BLOCK ASSEMBLY,Closing soon
Dept of Defense · Combined Synopsis/Solicitation · NAICS 333618 · Small Business Set Aside - Total
Posted Oct 29, 2026 · Responses due Nov 9, 2026
28--ENGINE BLOCK ASSEMBLY,Closing soon
Dept of Defense · Combined Synopsis/Solicitation · NAICS 333618 · Small Business Set Aside - Total
Posted Oct 29, 2026 · Responses due Nov 9, 2026
61--MOTOR,ALTERNATING CURR
Dept of Defense · Combined Synopsis/Solicitation · NAICS 333618 · Small Business Set Aside - Total
Posted Oct 29, 2026 · Responses due Nov 13, 2026

See all 9 open bids under NAICS 333618

Small business size standard for NAICS 333618

To bid on small business set-aside contracts under NAICS 333618, 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 333618?: NAICS 333618 is the industry "Other Engine Equipment Manufacturing" in the North American Industry Classification System, part of the Manufacturing sector (33).
What is the size standard for NAICS 333618?: 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 333618 in the SBA table of size standards on sba.gov; it changes from time to time.
Are there government contracts for NAICS 333618?: Yes. Federal agencies obligated $2B on contracts under NAICS 333618 from FY2024 to FY2026, and 9 notices are open right now.