333912

Analysis

NAICS 333912 is the 2022 national industry for air and gas compressor manufacturing, part of 33391 (Pump and Compressor Manufacturing). Census lists 7 example activities under it in the official index.

County Business Patterns counts 275 US establishments in this code in 2023, employing 20,379 people at an average annual payroll of $83,603 per employee (72nd percentile of national industries). 23% of the establishments have fewer than five employees, which points to larger operations.

By establishments it ranks 2nd of the 2 codes at this level within Pump and Compressor Manufacturing, with 33.3% of them.

Census lists 6 related activities that belong elsewhere, most often in 333415, 336390, 333996 and 333111. Businesses that do several things are classified by their primary activity, the one that generates the most value, so check those boundaries before settling on this code.

Its index entries, the activities Census uses to assign businesses to this code, include air compressors (except air-conditioning, refrigeration)…, bicycle pumps manufacturing, compressors, air and gas, general purpose-type… and paint sprayers (i.e., compressor and spray gun unit)…, among 7 in all.

Its goods appear in 39 statistical lines of the US tariff schedule, mostly under headings 8414 (air or vacuum pumps, air or other gas compressors and fans…), 8424 (mechanical appliances (whether or not hand operated) for…) and 8481 (taps, cocks, valves and similar appliances, for pipes…). That link is how import data is matched to domestic producers, for example in trade-remedy cases.