| MMMcgraw Manufacturing INC | Anaheim | — | ◇ UNVERIFIED |
| MFMet-a-lum Fabricators | Paramount | — | ◇ UNVERIFIED |
| MLMht Luxury Alloys192 | Compton | — | ◇ UNVERIFIED |
| MCMichels & CO Furniture Mfg | Lynwood | — | ◇ UNVERIFIED |
| MPModern Pattern & Foundry CO. INC. (mp) | Vernon | — | ◇ UNVERIFIED |
| MAMonarch Aluminum Casting CO | South Gate | — | ◇ UNVERIFIED |
| MWMws Wire Industries | Westlake Village | — | ◇ UNVERIFIED |
| OCOld Country Millwork INC | Los Angeles | — | ◇ UNVERIFIED |
| PCPacific Cast Products | Santa Fe Springs | — | ◇ UNVERIFIED |
| PDPacific Die Casting | Commerce | — | ◇ UNVERIFIED |
| PTPacific Tube CO | Los Angeles | — | ◇ UNVERIFIED |
| PMParamount Metals & Supply CO | Paramount | — | ◇ UNVERIFIED |
| PCPechiney Cast Plate INC | Vernon | — | ◇ UNVERIFIED |
| PAPerformance Aluminum Prod | Ontario | — | ◇ UNVERIFIED |
| PDPioneer Diecaster INC | Los Angeles | — | ◇ UNVERIFIED |
| PCPirelli Cable Corporation | Colusa | — | ◇ UNVERIFIED |
| PPPrecision Powdered Metal Parts | Pomona | — | ◇ UNVERIFIED |
| PSPrecision Specialty Metals INC | Los Angeles | — | ◇ UNVERIFIED |
| RGRegenesys Glass Processing LLC | Stockton | — | ◇ UNVERIFIED |
| SISalvage I Recycling INC | Chino | — | ◇ UNVERIFIED |
| SGSan Gabriel Valley Area 2 | Baldwin Park | — | ◇ UNVERIFIED |
| SESemco Enterprises INC | City of Industry | — | ◇ UNVERIFIED |
| SDStar Die Casting & Manufacturing, INC | Santa Fe Springs | — | ◇ UNVERIFIED |
| STSteel Technologies LLC | Mira Loma | — | ◇ UNVERIFIED |
| TTamco | Rancho Cucamonga | — | ◇ UNVERIFIED |
| TPTci Precision Metals | Gardena | — | ◇ UNVERIFIED |
| TATechnical Anodize LLC | Pomona | — | ◇ UNVERIFIED |
| TCTeledyne Cast Parts Pomona Operations | Walnut | — | ◇ UNVERIFIED |
| TITeledyne Instruments - Analytical Instruments | City of Industry | — | ◇ UNVERIFIED |
| TTimet | Vallejo | — | ◇ UNVERIFIED |
| TITitech International (wohl Property) | Walnut | — | ◇ UNVERIFIED |
| TWT.i. Wire | Etiwanda | — | ◇ UNVERIFIED |
| TCTusco Casting CORP. | Lodi | — | ◇ UNVERIFIED |
| UWUltra Wheel CO | Buena Park | — | ◇ UNVERIFIED |
| UPU.s. Pipe Fabrication | Olivehurst | — | ◇ UNVERIFIED |
| VBValley Brass Incorporated | El Monte | — | ◇ UNVERIFIED |
| VAVirgils Auto Body | Newbury Park | — | ◇ UNVERIFIED |
| WIWeartech International INC | Anaheim | — | ◇ UNVERIFIED |
| WTWestern Tube & Conduit CORP | Long Beach | — | ◇ UNVERIFIED |
| 3F3-v Fastener Co., INC. | Brea | — | ◐ LIKELY ACTIVE |
| AMAeromax Metals INC | Fresno | — | ◐ LIKELY ACTIVE |
| CPCast Parts, Inc - Consolidated Precision Products | City of Industry | 100–499 | ◐ LIKELY ACTIVE |
| CTCentury Tubes, INC. | San Diego | — | ◐ LIKELY ACTIVE |
| CEContext Engineering CO | Gilroy | — | ◐ LIKELY ACTIVE |
| CBCornerstone Building Brands - Metal Solution | Atwater | 20–99 | ◐ LIKELY ACTIVE |
| DIDeanco Industrial Tires, INC | El Cajon | — | ◐ LIKELY ACTIVE |
| DIDuranium INC. | Alameda | — | ◐ LIKELY ACTIVE |
| EGEdelbrock Group, LLC | San Jacinto | 100–499 | ◐ LIKELY ACTIVE |
| HCHaydon Corporation CA | Stockton | 20–99 | ◐ LIKELY ACTIVE |
| HHeadquarters | Santa Clara | 20–99 | ◐ LIKELY ACTIVE |
