North American Industry Classification System (NAICS) code 333994 is used by federal buyers for market research, set-aside size standards, and reporting. Official titles come from the Census Bureau NAICS structure.
Official definition
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.
- Official title
- Industrial Process Furnace and Oven Manufacturing
- Code level
- 6
- Parent industry
- All Other General Purpose Machinery Manufacturing 33399
- Open opportunities
- 8 open · 40 active
SBA small-business size standard
500 employees
Employee-count basis · Special exception text applies
Check this standard and its exceptionsExcluded or separately classified activities
Official Census cross-references identify activities that belong under another North American Industry Classification System (NAICS) code.
Manufacturing bakery ovens--are classified in U.S. Industry 333241, Food Product Machinery Manufacturing;
Manufacturing cement, wood, and chemical kilns--are classified in U.S. Industry 333248, All Other Industrial Machinery Manufacturing; and
Manufacturing cremating ovens--are classified in U.S. Industry 333998, All Other Miscellaneous General Purpose Machinery Manufacturing.
Source and edition
2022 NAICS Manual definition and reference material from the U.S. Census Bureau.