# NAICS 333618: Other Engine Equipment Manufacturing

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [333618 Other Engine Equipment Manufacturing](https://bidrover.com/naics/333618)

This U.S. industry comprises establishments primarily engaged in manufacturing internal combustion engines (except automotive gasoline and aircraft).

- NAICS code: 333618
- Title: Other Engine Equipment Manufacturing
- Sector: 31-33 Manufacturing
- Subsector: 333 Machinery Manufacturing
- Industry group: 3336 Engine, Turbine, and Power Transmission Equipment Manufacturing
- NAICS industry: 33361 Engine, Turbine, and Power Transmission Equipment Manufacturing
- SBA size standard: 1,500 employees
- Open bids on BidRover: 3
- Updated: Oct 13, 2026

## Open bids (3)

- [29--INJECTOR ASSEMBLY,FUEL](https://bidrover.com/bids/29-injector-assembly-fuel--cb75b2e9-f19c-40c5-a8f9-5819be120206) — Environmental & energy · United States · due 2026-10-23
- [53--O-RING](https://bidrover.com/bids/53-o-ring--05cb4ac4-429a-44a9-917e-43009617ccab) — General procurement · United States · due 2026-10-23
- [28--PARTS KIT,DIESEL ENGIN](https://bidrover.com/bids/28-parts-kit-diesel-engin--21747468-6228-4fda-8ca5-f21122d71ff9) — Environmental & energy · United States · due 2026-10-23

## Frequently asked questions

### What is NAICS code 333618?

NAICS 333618 is "Other Engine Equipment Manufacturing" in the 2022 North American Industry Classification System, in sector 31-33 (Manufacturing). This U.S. industry comprises establishments primarily engaged in manufacturing internal combustion engines (except automotive gasoline and aircraft).

### What is the SBA size standard for NAICS 333618?

A business is small under NAICS 333618 at or below 1,500 employees, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 333618?

BidRover counts 3 open bids that cite NAICS 333618 as of Oct 13, 2026, refreshed every hour from official public sources. Many state and local notices do not list a NAICS code, so search by keyword too.

### How do I get alerts for NAICS 333618 bids?

Save an alert on this page. A free account gets new matching bids by weekly email; the Team plan ($19/mo) sends daily alerts with match scores, the buyer, source link and documents.

## Related NAICS codes

- [333611 Turbine and Turbine Generator Set Units Manufacturing](https://bidrover.com/naics/333611)
- [333612 Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing](https://bidrover.com/naics/333612)
- [333613 Mechanical Power Transmission Equipment Manufacturing](https://bidrover.com/naics/333613)

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Code titles and definitions: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022 (https://www.census.gov/naics/). Size standards: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201, eCFR text current as of 2026-10-21 (https://www.ecfr.gov/current/title-13/section-121.201).

BidRover lists bids from official public sources. It is not an issuing authority; confirm the NAICS code and size standard named in each solicitation.