| OVOlive View Medical Center La County | Sylmar | — | ◐ LIKELY ACTIVE |
| ASAmerican Scale CO. INC. | Irwindale | — | ◇ UNVERIFIED |
| AWAnemostat West a Mestek CO | Carson | — | ◇ UNVERIFIED |
| APAngelus Precision Grinding | South Gate | — | ◇ UNVERIFIED |
| ASAngelus Sanitary Can Machine CO | Los Angeles | — | ◇ UNVERIFIED |
| ACAquafine CORP | Valencia | — | ◇ UNVERIFIED |
| AFAvx Filters CORP | Sun Valley | — | ◇ UNVERIFIED |
| BGBeaver General Machine | Santa Fe Springs | — | ◇ UNVERIFIED |
| BIBigbattery INC | Chatsworth | — | ◇ UNVERIFIED |
| CLCicoil LLC | Valencia | — | ◇ UNVERIFIED |
| DCDalou CORP Dba Tomco Products | Azusa | — | ◇ UNVERIFIED |
| DIDauntless Industries | Covina | — | ◇ UNVERIFIED |
 Donaldson CO Western Filter Div | Valencia | — | ◇ UNVERIFIED |
| DGDowney Grinding CO | Downey | — | ◇ UNVERIFIED |
| EDEquipment Design Dba Wherry CORP | Pomona | — | ◇ UNVERIFIED |
| FCFmc CORP Sweeper Div | Pomona | — | ◇ UNVERIFIED |
| FJFrank J. Zamboni Co., INC | Paramount | — | ◇ UNVERIFIED |
| GPGoulds Pumps INC | Whittier | — | ◇ UNVERIFIED |
| HIHawk Industries Incorporated | Long Beach | — | ◇ UNVERIFIED |
| HMHoward-turner Mfg CO | Signal Hill | — | ◇ UNVERIFIED |
| ISIndustrial Sprocket and Gear | Santa Fe Springs | — | ◇ UNVERIFIED |
| JCJld Cnc Machining | Santa Fe Spgs | — | ◇ UNVERIFIED |
| LCLansair Corporation | Valencia | — | ◇ UNVERIFIED |
| LGLincoln Global INC | Monterey Park | — | ◇ UNVERIFIED |
| LLLouis Levin & Son INC | Santa Fe Spgs | — | ◇ UNVERIFIED |
| MEMagnavox Electronic Systems CO | Torrance | — | ◇ UNVERIFIED |
| MTMarine Technical Services | Wilmington | — | ◇ UNVERIFIED |
| MMasoneilan | Montebello | — | ◇ UNVERIFIED |
| MEMccann's Engineering & Manufacturing CO | Los Angeles | — | ◇ UNVERIFIED |
| MMMcdonald Mfg INC | Artesia | — | ◇ UNVERIFIED |
| MIMorgan Industries INC | Long Beach | — | ◇ UNVERIFIED |
| NCNational Cooler | San Dimas | — | ◇ UNVERIFIED |
| PMParamount Manufacturing CO 445 | Long Beach | — | ◇ UNVERIFIED |
| PHP H I | Industry | — | ◇ UNVERIFIED |
| PAPhillips Aerospace | City of Industry | — | ◇ UNVERIFIED |
| PVPomona Valley Hospital | Pomona | — | ◇ UNVERIFIED |
| PPP P Mfg CO INC | Santa Fe Springs | — | ◇ UNVERIFIED |
| PWPrecision Wire Products | Los Angeles | — | ◇ UNVERIFIED |
| RFRippy Fred R INC | Whittier | — | ◇ UNVERIFIED |
| RHRobert H Peterson CO | La Puente | — | ◇ UNVERIFIED |
| RSRomac Supply CO | Commerce | — | ◇ UNVERIFIED |
 Roy E Hanson Jr Mfg CO | Los Angeles | — | ◇ UNVERIFIED |
| RSR & S Manufacturing of Southern California INC | Pomona | — | ◇ UNVERIFIED |
| SFSanta Fe Mold CO | Whittier | — | ◇ UNVERIFIED |
| SISdi Industries | Pacoima | — | ◇ UNVERIFIED |
| SSSecond Sight Medical Products INC | Sylmar | — | ◇ UNVERIFIED |
| STShurco Tool Company Incorporated | Covina | — | ◇ UNVERIFIED |
| SCSo Cal Carbide Cutting Tools CO INC | Santa Fe Springs | — | ◇ UNVERIFIED |
| SSSpecialty Surface Grinding INC | Los Angeles | — | ◇ UNVERIFIED |
| SCStructural Composites Ind | Pomona | — | ◇ UNVERIFIED |
