Metal foundries in California
California has 184 foundries in EPA records, facilities that list codes for iron, steel, aluminum and other metal castings. The most are in Los Angeles, City Of Industry and Oakland. That is 12% of the 1,563 such facilities nationwide, and California ranks first of 46 states.
- Product
- Metal foundries
- Facilities
- 184
- State rank
- #1
- NAICS
- 331511 and 5 related codes
- Revised
- November 1, 2026
Facilities in California
These are active facilities in EPA's ECHO database that list a code for iron, steel, aluminum and other metal castings. The 40 shown first are the ones with the most EPA program records, which usually means the larger sites.
| Facility | City | What EPA lists |
|---|---|---|
| Sierra Aluminum Co | Riverside | Aluminum Foundries (except Die-Casting) |
| United States Pipe & Foundry Co LLC | Union City | Iron Foundries |
| Vista Metals Corp | Fontana | Aluminum Foundries (except Die-Casting) |
| Ab&i Foundry | Oakland | Iron Foundries |
| Teledyne Cast Parts Pomona Operations | Walnut | Aluminum Foundries (except Die-Casting) |
| Griswold Industries | Costa Mesa | Iron Foundries |
| Fresno Valves & Castings, Inc. | Selma | Other Nonferrous Metal Foundries (except Die-Casting) |
| Kortick Manufacturing | Pittsburg | Iron Foundries |
| Magnesium Alloy Product Co | Compton | Aluminum Foundries (except Die-Casting) |
| Pcc Structurals - San Leandro Facility | San Leandro | Steel Investment Foundries |
| Miller Castings Inc | Whittier | Iron Foundries |
| Techni-Cast Corp | South Gate | Other Nonferrous Metal Foundries (except Die-Casting) |
| Arrowhead Brass Products Incorporated | Los Angeles | Other Nonferrous Metal Foundries (except Die-Casting) |
| Pac Foundries - Industry | City Of Industry | Steel Investment Foundries |
| Aluminum Precision Products Inc | Santa Ana | Aluminum Foundries (except Die-Casting) |
| Citation Precision | Rancho Cucamonga | Steel Investment Foundries |
| Globe Iron Foundry Inc | Commerce | Iron Foundries |
| Lodi Iron Works | Galt | Steel Foundries (except Investment) |
| Montclair Bronze Inc | Montclair | Other Nonferrous Metal Foundries (except Die-Casting) |
| Pechiney Cast Plate Inc | Vernon | Aluminum Foundries (except Die-Casting) |
| Pioneer Diecaster Inc | Los Angeles | Nonferrous Metal Die-Casting Foundries |
| Pro Cast Industries | Paramount | Steel Investment Foundries |
| A & B Die Casting Inc | Hercules | Nonferrous Metal Die-Casting Foundries |
| Advanced Metal Components Inc | Menlo Park | Iron Foundries |
| Advanced Precision Inc | Chino | Nonferrous Metal Die-Casting Foundries |
| Aircraft Foundry Company | Huntington Park | Aluminum Foundries (except Die-Casting) |
| Alhambra Foundry Co Ltd | Alhambra | Iron Foundries |
| Allied Signal Aerospace Co | Torrance | Steel Investment Foundries |
| Allied-Signal Garrett Processing Div | Torrance | Steel Investment Foundries |
| Alloy Die Cast Inc | Buena Park | Nonferrous Metal Die-Casting Foundries |
| Alloy Die Casting Co | Buena Park | Nonferrous Metal Die-Casting Foundries |
| Alphacast Foundry Inc | Azusa | Aluminum Foundries (except Die-Casting) |
| Alphacast Foundry Inc | Los Angeles | Nonferrous Metal Die-Casting Foundries |
| Alrayco, LLC | Adelanto | Aluminum Foundries (except Die-Casting) |
| Amcast Aerospace Products Hemet Div | Hemet | Aluminum Foundries (except Die-Casting) |
| American Casting Company | Hollister | Steel Investment Foundries |
| Arrowhead Brass Plumbing | Los Angeles | Other Nonferrous Metal Foundries (except Die-Casting) |
| Artworks Foundry LLC | Berkeley | Other Nonferrous Metal Foundries (except Die-Casting) |
| Bag House Industrial Sheet Metal | Corona | Iron Foundries |
| Barnmaster Supply LLC DBA Marnmaster | Ontario | Iron Foundries |
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: 7
- City Of Industry: 7
- Oakland: 6
- South Gate: 6
- Ontario: 5
- Gardena: 5
By product code
- Iron Foundries (NAICS 331511): 10 of those shown
- Aluminum Foundries (except Die-Casting) (NAICS 331524): 10 of those shown
- Steel Investment Foundries (NAICS 331512): 7 of those shown
- Nonferrous Metal Die-Casting Foundries (NAICS 331523): 6 of those shown
- Other Nonferrous Metal Foundries (except Die-Casting) (NAICS 331529): 6 of those shown
- Steel Foundries (except Investment) (NAICS 331513): 1 of those shown
All primary metals manufacturing in California: 618 facilities and Census job counts.