Valve manufacturers in California
California has 243 valve makers in EPA records, facilities that list codes for industrial valves, fluid power valves and fittings. The most are in Los Angeles, Anaheim and Valencia. That is 27% of the 908 such facilities nationwide, and California ranks first of 42 states.
- Product
- Valve manufacturers
- Facilities
- 243
- State rank
- #1
- NAICS
- 332911, 332912, 332919
- Revised
- November 1, 2026
Facilities in California
These are active facilities in EPA's ECHO database that list a code for industrial valves, fluid power valves and fittings. The 40 shown first are the ones with the most EPA program records, which usually means the larger sites.
| Facility | City | What EPA lists |
|---|---|---|
| Griswold Industries | Costa Mesa | Industrial Valve Manufacturing |
| Aerofit LLC | Fullerton | Fluid Power Valve and Hose Fitting Manufacturing |
| Control Components Inc | Rancho Santa Margarita | Industrial Valve Manufacturing |
| Arrowhead Products | Los Alamitos | Fluid Power Valve and Hose Fitting Manufacturing |
| Hawker Pacific Inc | Sun Valley | Fluid Power Valve and Hose Fitting Manufacturing |
| Moog, Inc | Torrance | Fluid Power Valve and Hose Fitting Manufacturing |
| Crissair Inc | Valencia | Fluid Power Valve and Hose Fitting Manufacturing |
| Designed Metal Connections | Gardena | Other Metal Valve and Pipe Fitting Manufacturing |
| Rohr Inc DBA Goodrich Aerostructures Group | Chula Vista | Fluid Power Valve and Hose Fitting Manufacturing |
| Trig Aerospace | Santa Ana | Fluid Power Valve and Hose Fitting Manufacturing |
| Whittaker Controls | N Hollywood | Industrial Valve Manufacturing |
| Advanced Pressure Technology (Ap Tech) | Napa | Industrial Valve Manufacturing |
| Ames Fire & Waterworks | Woodland | Industrial Valve Manufacturing |
| Koros USA Inc | Moorpark | Other Metal Valve and Pipe Fitting Manufacturing |
| Parker Hannifin Corporation | Irvine | Fluid Power Valve and Hose Fitting Manufacturing |
| Parker Hannifin Stratoflex | Camarillo | Fluid Power Valve and Hose Fitting Manufacturing |
| Pneu Draulics Inc | Rancho Cucamonga | Fluid Power Valve and Hose Fitting Manufacturing |
| Space Lok Inc | Gardena | Fluid Power Valve and Hose Fitting Manufacturing |
| Uni Seal Valve Co | Ventura | Industrial Valve Manufacturing |
| 20th Century | Brea | Other Metal Valve and Pipe Fitting Manufacturing |
| 3v Fastners Co Inc | Corona | Fluid Power Valve and Hose Fitting Manufacturing |
| A Finkl & Sons | South Gate | Other Metal Valve and Pipe Fitting Manufacturing |
| A. O. Smith Corporation | Newark | Other Metal Valve and Pipe Fitting Manufacturing |
| Accuride International Inc | Santa Fe Springs | Other Metal Valve and Pipe Fitting Manufacturing |
| Acro Associates Inc | Concord | Industrial Valve Manufacturing |
| Advanced Ground System Engineering LLC | Santa Fe Springs | Other Metal Valve and Pipe Fitting Manufacturing |
| Aero Engineering & Mfg Co | Valencia | Fluid Power Valve and Hose Fitting Manufacturing |
| Aero Products Co | Los Angeles | Fluid Power Valve and Hose Fitting Manufacturing |
| Aerospace Welding Inc | Los Angeles | Fluid Power Valve and Hose Fitting Manufacturing |
| Aga Precision Systems Inc | Santa Ana | Other Metal Valve and Pipe Fitting Manufacturing |
| Agro Tech Corporation Costa Mesa | Costa Mesa | Fluid Power Valve and Hose Fitting Manufacturing |
| Air Cabin Engineering Inc | Orange | Fluid Power Valve and Hose Fitting Manufacturing |
| Airdrome Parts Co | Long Beach | Other Metal Valve and Pipe Fitting Manufacturing |
| Algela DBA Pirtek Long Beach | Signal Hill | Fluid Power Valve and Hose Fitting Manufacturing |
| Allclear Aerospace And Defense | Chatsworth | Industrial Valve Manufacturing |
| Allegiance Business Corporation DBA Hi Tech Precision | Montclair | Industrial Valve Manufacturing |
| Allied Piping Welding Inc | National City | Other Metal Valve and Pipe Fitting Manufacturing |
| Alt's Tool & Machine Inc | Santee | Other Metal Valve and Pipe Fitting Manufacturing |
| Altech Machining Inc | Santee | Fluid Power Valve and Hose Fitting Manufacturing |
| American Caster Corp | Los Angeles | Other Metal Valve and Pipe Fitting Manufacturing |
Industry codes are reported by facilities to EPA programs and are not checked here. A few listings may be repair shops, distributors or recyclers. How these records work.
Where they are
- Los Angeles: 10
- Anaheim: 8
- Valencia: 7
- Torrance: 6
- Santa Fe Springs: 6
- Corona: 5
By product code
- Fluid Power Valve and Hose Fitting Manufacturing (NAICS 332912): 19 of those shown
- Other Metal Valve and Pipe Fitting Manufacturing (NAICS 332919): 12 of those shown
- Industrial Valve Manufacturing (NAICS 332911): 9 of those shown
All fabricated metal products manufacturing in California: 4,234 facilities and Census job counts.