| HPHarbor Pipe and Steel INC | Riverside | CA | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| HIHastings Irrigation Pipe Co - Madera Location | Madera | CA | Primary Metal Manufacturing331315 | 1-19 | ◐ LIKELY ACTIVE |
| ICIndustrial Container Services | Roseville | CA | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| ICInfinity Contacts, INC. | Rancho Cucamonga | CA | Primary Metal Manufacturing331492 | — | ▲ REPORTED CLOSED |
| IItalee | Los Angeles | CA | Primary Metal Manufacturing331313 | 20-99 | ◐ LIKELY ACTIVE |
| JBJ & B Enterprises | Santa Clara | CA | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| MAMagnesium Alloy Product CO | Compton | CA | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| MAMerit Aluminum Inc. | Corona | CA | Primary Metal Manufacturing331315 | 100-499 | ◐ LIKELY ACTIVE |
| MFMerit Foundry | Adelanto | CA | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| RIRasirc INC | San Diego | CA | Primary Metal Manufacturing331313 | 20-99 | ◐ LIKELY ACTIVE |
| RIRasirc INC | San Diego | CA | Primary Metal Manufacturing331313 | 20-99 | ◐ LIKELY ACTIVE |
| SVSalinas Valley Solid Waste Authority Hhw Collection Facility | Salinas | CA | Primary Metal Manufacturing331313 | — | ◐ LIKELY ACTIVE |
| SASierra Aluminum- Finishing | Fontana | CA | Primary Metal Manufacturing331313 | 100-499 | ◐ LIKELY ACTIVE |
| SSSpecialty Steel Products, INC. | San Diego | CA | Primary Metal Manufacturing331221 | 1-19 | ◐ LIKELY ACTIVE |
| SISurfacemode, INC | San Diego | CA | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
| SMSynergy Manufacturing Inc. | San Luis Obispo | CA | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| TAThales Avionics INC CA | Irvine | CA | Primary Metal Manufacturing331523 | 100-499 | ◐ LIKELY ACTIVE |
| WSWit Sales and Refining | San Jose | CA | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| AFAjax Forge Company | Vernon | CA | Primary Metal Manufacturing331420 | — | ◐ LIKELY ACTIVE |
| ARAll-met Recycling INC | Anaheim | CA | Primary Metal Manufacturing331492 | — | ◐ LIKELY ACTIVE |
Aluminum Precision Products INC | Santa Ana | CA | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
Aluminum Precision Products INC | Santa Ana | CA | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| ABArrowhead Brass and Plumbing, LLC | Los Angeles | CA | Primary Metal Manufacturing331420 | 20-99 | ◐ LIKELY ACTIVE |
| BSBarnmaster Supply LLC Dba Marnmaster | Ontario | CA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| CPCalifornia Pipe Fabricators | Dixon | CA | Primary Metal Manufacturing331210 | 1-19 | ◐ LIKELY ACTIVE |
| CPClamp-swing Pricing CO INC | Oakland | CA | Primary Metal Manufacturing331513 | 1-19 | ◐ LIKELY ACTIVE |
| DHDon Hoy Company INC | Oakdale | CA | Primary Metal Manufacturing331491 | 1-19 | ◐ LIKELY ACTIVE |
| EFEdelbrock Foundry CORP | San Jacinto | CA | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
| ETExide Technologies | Los Angeles | CA | Primary Metal Manufacturing331492 | — | ◐ LIKELY ACTIVE |
| HIHannibal Industries INC | Los Angeles | CA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| LRLock Ridge Tool Company INC | Upland | CA | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| NSNet Shapes INC | Ontario | CA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| PTPacific Toll Processing INC | Carson | CA | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| PWPrime Wheel | Gardena | CA | Primary Metal Manufacturing331524 | — | ◐ LIKELY ACTIVE |
| PCPro Cast Industries | Paramount | CA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| RSRegional Steel CORP | Fontana | CA | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| SESapa Extruder, INC | City of Industry | CA | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| SASierra Aluminum Company | Fontana | CA | Primary Metal Manufacturing331313 | — | ◐ LIKELY ACTIVE |
| SSSimpson Strong Tie Company INC | Pleasanton | CA | Primary Metal Manufacturing331513 | 500+ | ◐ LIKELY ACTIVE |
| SMStrategic Materials Corporation | South Gate | CA | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| TITeledyne Instruments - Analytical Instruments | City of Industry | CA | Primary Metal Manufacturing331512 | — | ◐ LIKELY ACTIVE |
| TITree Island Steel Dba Tree Island Wire USA INC | San Bernardino | CA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| USUnited States Pipe and Foundry Company Dba U.s. Pi | Union City | CA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| WTWire Tech INC | Commerce | CA | Primary Metal Manufacturing331222 | — | ◐ LIKELY ACTIVE |
| 2S2222 Sinclair Owner, LP | Stockton | CA | Primary Metal Manufacturing331423 | — | ◇ UNVERIFIED |
| 3F3v Fastners CO INC | Corona | CA | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| APAdvanced Pattern and Mold | Ontario | CA | Primary Metal Manufacturing331313 | — | ◇ UNVERIFIED |
| AWAlpha Waveguide CO | El Segundo | CA | Primary Metal Manufacturing331318 | — | ◇ UNVERIFIED |
| AAAlum Alloy CO INC | Ontario | CA | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| ABAmerican Builders & Contractors Supply CO INC Dba American Construction Metals | Lodi | CA | Primary Metal Manufacturing331315 | — | ◇ UNVERIFIED |