NAICS 333994: Industrial Process Furnace and Oven Manufacturing
This U.S. industry comprises establishments primarily engaged in manufacturing industrial process ovens, induction and dielectric heating equipment, and kilns (except cement, chemical, wood). Included in this industry are establishments manufacturing laboratory furnaces and ovens.
- NAICS code
- 333994
- Title
- Industrial Process Furnace and Oven 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
- 500 employees
- Open bids on BidRover
- 0
Open bids citing NAICS 333994
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Browse all open bidsFrequently asked questions
What is NAICS code 333994?
NAICS 333994 is "Industrial Process Furnace and Oven Manufacturing" in the 2022 North American Industry Classification System, in sector 31-33 (Manufacturing). This U.S. industry comprises establishments primarily engaged in manufacturing industrial process ovens, induction and dielectric heating equipment, and kilns (except cement, chemical, wood). Included in this industry are establishments manufacturing laboratory furnaces and ovens.
What is the SBA size standard for NAICS 333994?
A business is small under NAICS 333994 at or below 500 employees, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.
How many government bids are open under NAICS 333994?
No open bid in BidRover cites NAICS 333994 right now. Many state and local notices do not list a NAICS code, so a keyword alert for this work catches more of them.
How do I get alerts for NAICS 333994 bids?
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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.