| BDBucy Die Casting | Burbank | CA | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| CECalifornia Electric Steel INC | Angels Camp | CA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| CWCalifornia Waste Solutions | Oakland | CA | Primary Metal Manufacturing331000 | — | ◇ UNVERIFIED |
 Carpenter Technology Dba Mb Calram LLC | Camarillo | CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| CDCascade Die Casting / Pacific | City of Industry | CA | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| CICass INC | Oakland | CA | Primary Metal Manufacturing331312 | — | ◇ UNVERIFIED |
| CACast Alloys INC | Northridge | CA | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| CICeradyne INC 3m Company | Irvine | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CMCerro Metal Products Company | Newark | CA | Primary Metal Manufacturing331421 | — | ◇ UNVERIFIED |
| CCCham Cal Engineering | Garden Grove | CA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CRCommodity Resource & Envrnmtl | Mojave | CA | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| CACommonwealth Aluminum Carson Rolling Mill | Long Beach | CA | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| CFConsolidated Fabricators CORP | Vernon | CA | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| CICopp Industrial Manufacturing | Pomona | CA | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| CICovert Iron Works | Cudahy | CA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| CACustom Alloy Sales INC | Lynwood | CA | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| DHDavid H Fell & CO INC | Commerce | CA | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| DWDavis Wire Coporation | Hayward | CA | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| DXDiagnostic X-ray INC | San Jose | CA | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| EREcs Refining INC | Santa Clara | CA | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| ETExide Technologies | Los Angeles | CA | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| ETExide Technologies | Vernon | CA | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| FSFive Star Grinding | Covina | CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| GRGerdau Reinforcing Steel | Santa Fe Springs | CA | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
 Griswold Industries Dba Soundcast | South Gate | CA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| HIHannibal Industries INC | Los Angeles | CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| HLHayes - Lemmerz International | La Mirada | CA | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| HCHogan CO INC | Bloomington | CA | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| HHoneywell | San Diego | CA | Primary Metal Manufacturing331312 | — | ◇ UNVERIFIED |
| IWIndalex West INC. | Modesto | CA | Primary Metal Manufacturing331316 | — | ◇ UNVERIFIED |
| IEInterstate Engineering | Anaheim | CA | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| JJJames Jones CO | El Monte | CA | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
| JBJ & B Enterprises | Santa Clara | CA | Primary Metal Manufacturing331419 | — | ◇ UNVERIFIED |
| KDKenwalt Die Casting CO | Sun Valley | CA | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| KAKob Auto INC | Menlo Park | CA | Primary Metal Manufacturing331419 | — | ◇ UNVERIFIED |
| KCKrall Cast INC | City of Industry | CA | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| LCLaminating Company of America | Garden Grove | CA | Primary Metal Manufacturing331316 | — | ◇ UNVERIFIED |
| LMLiberty Mfg INC | Los Angeles | CA | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| LGLincoln Global INC | Monterey Park | CA | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
| LSLitton Sys INC Kester Solder | Anaheim | CA | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| LILodi Iron Works | Galt | CA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| MSM5 Steel Mfg | Los Angeles | CA | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| MBMartin Brass Fndy | Torrance | CA | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
 Matthews International CORP | Romoland | CA | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
| MSMaya Steel Fabrications INC | Gardena | CA | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| MMMcgraw Manufacturing INC | Anaheim | CA | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| MFMet-a-lum Fabricators | Paramount | CA | Primary Metal Manufacturing331315 | — | ◇ UNVERIFIED |
| MLMht Luxury Alloys192 | Compton | CA | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| MCMichels & CO Furniture Mfg | Lynwood | CA | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| MSMil Spe Magnetics INC | Pomona | CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
