NAICS 333618: Other Engine Equipment Manufacturing
Other Engine Equipment Manufacturing is NAICS code 333618. A business is small under it with 1,500 employees or fewer. 19 federal contracts are open on SAM.gov under this code right now.
- SBA size standard
- 1,500 employees or fewer
- Open contracts now
- 19
- Federal spending, FY2025
- $755.1 million
- Share won by small businesses
- 29%
- Small businesses registered
- 490
Open federal contracts for other engine equipment manufacturing
Most open notices under this code are Defense supply orders for specific parts, usually limited to approved sources.
- FILTER ELEMENT,INTAKE
Due in 2 daysOct 6, 2026
- PARTS KIT,DIESEL ENGIN
Due in 3 daysOct 7, 2026
- CONTROL,REMOTE SWITCHI
Due in 3 daysOct 7, 2026
- 29 SENSOR ASSY, ESM
Due in 8 daysOct 12, 2026
- **SOLE SOURCE RFP to Bird-Johnson Propeller Company** Navy Propulsor and Propellers
Due in 9 daysOct 13, 2026
- ENGINE BLOCK ASSEMBLY,
Due in 10 daysOct 14, 2026
What NAICS 333618 covers
The Census Bureau's NAICS index lists these kinds of work under 333618:
- Diesel and semidiesel engines manufacturing
- Electric outboard motors manufacturing
- Engines, diesel and semidiesel, manufacturing
- Gasoline engines (except aircraft, automotive, truck) manufacturing
- Governors, diesel engine, manufacturing
- Internal combustion engines (except aircraft, nondiesel automotive, nondiesel truck) manufacturing
- Internal combustion engines for hybrid drive systems (except automotive) manufacturing
- Locomotive diesel engines manufacturing
- Marine engines manufacturing
- Motors, outboard, manufacturing
- Natural gas engines manufacturing
- Outboard motors manufacturing
- Semidiesel engines manufacturing
The index lists 17 entries for this code in all.
Read the full definition, including what's excluded, on census.gov.
SBA size standard for 333618
To count as a small business for a contract assigned NAICS 333618, 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 other engine equipment manufacturing
Agencies that awarded the most under NAICS 333618 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Defense Logistics Agency | $699.7 million |
| Department of the Army | $591.8 million |
| Department of the Navy | $424.3 million |
| U.S. Coast Guard | $189 million |
| Department of Veterans Affairs | $23.7 million |
| Department of the Air Force | $2.9 million |
| U.S. Special Operations Command | $1.9 million |
| National Oceanic and Atmospheric Administration | $1.4 million |
Open notices right now come from Dept of Defense (62) and Department of Homeland Security (2).
Set-asides on open 333618 contracts
- No set-aside (full and open): 29
- Total small business set-aside: 25
- Women-owned set-aside: 7
- Service-disabled veteran-owned set-aside: 2
- HUBZone set-aside: 1
Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.
Your competition
490 businesses with active SAM.gov registrations are rated small under NAICS 333618, most of them in Florida (59), Texas (58), California (43), Michigan (25) and Virginia (25). Look any of them up with the free CAGE code and UEI lookup.
Federal spending under 333618 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $572.4 million |
| FY2025 | $755.1 million |
| FY2026 | $609.5 million |
| FY2027 (so far) | $0 |
Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.
Related NAICS codes
- 333611 Turbine and Turbine Generator Set Units Manufacturing
- 333612 Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing
- 333613 Mechanical Power Transmission Equipment Manufacturing
Frequently asked questions
What is NAICS code 333618?
333618 is the 2022 NAICS code for Other Engine Equipment Manufacturing. The Census Bureau's index lists work such as diesel and semidiesel engines manufacturing, electric outboard motors manufacturing, engines, diesel and semidiesel, manufacturing under it. Federal contracting uses the 2022 codes.
What is the SBA size standard for NAICS 333618?
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 other engine equipment manufacturing?
Yes. 19 federal contract opportunities under NAICS 333618 are open on SAM.gov right now. Agencies obligated about $755.1 million under this code in fiscal year 2025, according to USAspending.gov.
How do I add NAICS code 333618 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
- Search other NAICS codes by keyword or company
- How to choose NAICS codes for government contracts
- NAICS codes with the most open federal contracts
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.