# NAICS 333998: All Other Miscellaneous General Purpose Machinery Manufacturing

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [333998 All Other Miscellaneous General Purpose Machinery Manufacturing](https://bidrover.com/naics/333998)

This U.S. industry comprises establishments primarily engaged in manufacturing general purpose machinery (except ventilating, heating, air-conditioning, and commercial refrigeration equipment; metalworking machinery; engines, turbines, and power transmission equipment; pumps and compressors; material handling equipment; power-driven handtools; welding and soldering equipment; packaging machinery; industrial process…

- NAICS code: 333998
- Title: All Other Miscellaneous General Purpose Machinery Manufacturing
- Sector: 31-33 Manufacturing
- Subsector: 333 Machinery Manufacturing
- Industry group: 3339 Other General Purpose Machinery Manufacturing
- NAICS industry: 33399 All Other General Purpose Machinery Manufacturing
- SBA size standard: 700 employees
- Open bids on BidRover: 7
- Updated: Oct 13, 2026

## Open bids (7)

- [42--EXTINGUISHER,FIRE](https://bidrover.com/bids/42-extinguisher-fire--74368fbe-2636-445a-b5d5-9037fcf63345) — General procurement · United States · due 2026-10-23
- [43--RING,LOCK](https://bidrover.com/bids/43-ring-lock--e82dd9e3-72a3-45cc-bd64-1d5aa123911a) — General procurement · United States · due 2026-10-27
- [43--FILTER ELEMENT,FLUID](https://bidrover.com/bids/43-filter-element-fluid--4fea6cf4-016e-49fa-963d-2d534afe7fea) — General procurement · United States · due 2026-10-27
- [17--BUTTON ASSEMBLY](https://bidrover.com/bids/17-button-assembly--ee12c02c-69cd-45be-90f2-3c0651b1637f) — General procurement · United States · due 2026-10-23
- [54--POST,JUNCTION,SPAN,](https://bidrover.com/bids/54-post-junction-span--c84d4dc9-689f-4cd7-9fab-bf856a2a885e) — General procurement · United States · due 2026-10-23
- [43--FILTER ELEMENT,FLUID](https://bidrover.com/bids/43-filter-element-fluid--f23c9f55-e318-4445-a451-3ecfc79e3d4e) — General procurement · United States · due 2026-10-23
- [PLUG COVER](https://bidrover.com/bids/plug-cover--37eb02a3-d63f-4ad7-bbfc-372ee3382348) — General procurement · United States · due 2026-10-29

## Frequently asked questions

### What is NAICS code 333998?

NAICS 333998 is "All Other Miscellaneous General Purpose Machinery Manufacturing" in the 2022 North American Industry Classification System, in sector 31-33 (Manufacturing). This U.S. industry comprises establishments primarily engaged in manufacturing general purpose machinery (except ventilating, heating, air-conditioning, and commercial refrigeration equipment; metalworking machinery; engines, turbines, and power transmission equipment; pumps and compressors; material handling equipment; power-driven handtools; welding and soldering equipment; packaging machinery; industrial process…

### What is the SBA size standard for NAICS 333998?

A business is small under NAICS 333998 at or below 700 employees, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 333998?

BidRover counts 7 open bids that cite NAICS 333998 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 333998 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

- [336390 Other Motor Vehicle Parts Manufacturing](https://bidrover.com/naics/336390)
- [333991 Power-Driven Handtool Manufacturing](https://bidrover.com/naics/333991)
- [333992 Welding and Soldering Equipment Manufacturing](https://bidrover.com/naics/333992)
- [333993 Packaging Machinery Manufacturing](https://bidrover.com/naics/333993)
- [333241 Food Product Machinery Manufacturing](https://bidrover.com/naics/333241)
- [333248 All Other Industrial Machinery Manufacturing](https://bidrover.com/naics/333248)
- [333994 Industrial Process Furnace and Oven Manufacturing](https://bidrover.com/naics/333994)
- [333995 Fluid Power Cylinder and Actuator Manufacturing](https://bidrover.com/naics/333995)

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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.