Analysis
NAICS 33291 is the 2022 NAICS industry for metal valve manufacturing, part of 3329 (Other Fabricated Metal Product Manufacturing). Census lists 75 example activities under it in the official index.
County Business Patterns counts 1,136 US establishments in this code in 2023, employing 87,679 people at an average annual payroll of $74,334 per employee (61st percentile of national industries). 22% 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 Other Fabricated Metal Product Manufacturing, with 18.1% of them.
Census lists 6 related activities that belong elsewhere, most often in 33399, 33631, 33299 and 32619. 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.
Across its national industries Census lists 75 index entries; typical ones are angle valves, industrial-type, manufacturing, control valves, fluid power, manufacturing, antiscald bath and shower valves, plumbing, manufacturing and aerosol valves manufacturing.
Its goods appear in 101 statistical lines of the US tariff schedule, mostly under headings 8481 (taps, cocks, valves and similar appliances, for pipes…), 7307 (tube or pipe fittings (for example, couplings, elbows…) and 7412 (copper tube or pipe fittings (for example couplings…). That link is how import data is matched to domestic producers, for example in trade-remedy cases.
Official definition
This industry comprises establishments primarily engaged in manufacturing one or more of the following metal valves: (1) industrial valves; (2) fluid power valves and hose fittings; (3) plumbing fixture fittings and trim; and (4) other metal valves and pipe fittings.
Source: US Census Bureau, NAICS 2022 Manual.
Not this code if…
| The business mainly does | Use instead |
|---|---|
| Manufacturing fluid power cylinders and pumps | 33399 All Other General Purpose Machinery Manufacturing |
| Manufacturing intake and exhaust valves for internal combustion engines | 33631 Motor Vehicle Gasoline Engine and Engine Parts Manufacturing |
| Manufacturing metal shower rods and metal couplings from purchased metal pipe | 33299 All Other Fabricated Metal Product Manufacturing |
| Manufacturing plastics aerosol spray nozzles | 32619 Other Plastics Product Manufacturing |
| Casting iron pipe fittings and couplings without machining | 33151 Ferrous Metal Foundries |
| Manufacturing plastics pipe fittings and couplings | 32612 Plastics Pipe, Pipe Fitting, and Unlaminated Profile Shape Manufacturing |
Index entries (75)
- Angle valves, industrial-type, manufacturing
- Control valves, fluid power, manufacturing
- Antiscald bath and shower valves, plumbing, manufacturing
- Aerosol valves manufacturing