NAICS 333613: Mechanical Power Transmission Equipment Manufacturing
This U.S. industry comprises establishments primarily engaged in manufacturing mechanical power transmission equipment (except motor vehicle and aircraft), such as plain bearings, clutches (except motor vehicle and electromagnetic industrial control), couplings, joints, and drive chains.
Bid count updated
- NAICS code
- 333613
- Title
- Mechanical Power Transmission 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
- 750 employees
- Open bids on BidRover
- 5
Open bids citing NAICS 333613
Frequently asked questions
What is NAICS code 333613?
NAICS 333613 is "Mechanical Power Transmission 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 mechanical power transmission equipment (except motor vehicle and aircraft), such as plain bearings, clutches (except motor vehicle and electromagnetic industrial control), couplings, joints, and drive chains.
What is the SBA size standard for NAICS 333613?
A business is small under NAICS 333613 at or below 750 employees, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.
How many government bids are open under NAICS 333613?
BidRover counts 5 open bids that cite NAICS 333613 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 333613 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.
Title and definition: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022. Size standard: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201 (eCFR text as of Oct 21, 2026). Bid counts come from official public sources and refresh every hour; confirm the code and size standard in each solicitation.