| WFWeir Floway INC | Fresno | CA | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
Air Express Heating and Air INC. | Bakersfield | CA | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| AWAxeon Water Technologies | Temecula | CA | Machinery Manufacturing333318 | 20-99 | ◐ LIKELY ACTIVE |
Byfusion Global INC | Gardena | CA | Machinery Manufacturing333248 | — | ◐ LIKELY ACTIVE |
Elmag INC | San Diego | CA | Machinery Manufacturing333517 | — | ◐ LIKELY ACTIVE |
Ethereal Matter INC | Mill Valley | CA | Machinery Manufacturing333998 | — | ◐ LIKELY ACTIVE |
| JMJobbers Meat Packaging INC | Los Angeles | CA | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
Macroair Technologies, INC. | San Bernardino | CA | Machinery Manufacturing333413 | — | ◐ LIKELY ACTIVE |
Makeit INC. | Alhambra | CA | Machinery Manufacturing333517 | — | ◐ LIKELY ACTIVE |
| NINonlinear INC | San Marcos | CA | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
Numco USA INC | Beverly Hills | CA | Machinery Manufacturing333242 | — | ◐ LIKELY ACTIVE |
| PMPerfection Machining LLC | Morgan Hill | CA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
Rad Industry | Santa Fe Springs | CA | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
United Refrigeration INC | Santa Barbara | CA | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
United Refrigeration INC | Santa Ana | CA | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
Ysc INC | Fremont | CA | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
Zero Emission Industries, INC. | South San Francisco | CA | Machinery Manufacturing333618 | — | ◐ LIKELY ACTIVE |
| AFAj Fasteners INC | Anaheim | CA | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| AMAmerican Metal Filter Company | Chula Vista | CA | Machinery Manufacturing333411 | — | ◇ UNVERIFIED |
| CTCulver Tool & Die CO | Gardena | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| HIHayden Industrial Products | San Bernardino | CA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| LTLock-ridge Tool Company | Pomona | CA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| MIMasters in Metal INC | Oxnard | CA | Machinery Manufacturing333511 | — | ◇ UNVERIFIED |
| MVMold Vision INC | Lake Elsinore | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| MSMw Sausse & CO INC | Valencia | CA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| PMPiedras Machine CORP | Paramount | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| AMAcampo Machine Works | Lodi | CA | Machinery Manufacturing333111 | 20-99 | ◐ LIKELY ACTIVE |
| AMADCO Manufacturing, A Massman Company | Sanger | CA | Machinery Manufacturing333993 | 100-499 | ◐ LIKELY ACTIVE |
| ADA & D Precision Machining, INC. | Fremont | CA | Fabricated Metal Product Manufacturing332710 | — | ▲ REPORTED CLOSED |
| ASAdvanced Spectral Technology | Simi Valley | CA | Machinery Manufacturing333310 | 20-99 | ◐ LIKELY ACTIVE |
| AIAerometals, INC. | El Dorado Hills | CA | Machinery Manufacturing333512 | — | ◐ LIKELY ACTIVE |
| AHAgri-con Hydraulics, INC. | Hesperia | CA | Machinery Manufacturing333111 | — | ◐ LIKELY ACTIVE |
| AFAll Fab Precision Sheetmetal INC | San Jose | CA | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| ARAmerican Range CA | Pacoima | CA | Machinery Manufacturing333318 | 20-99 | ◐ LIKELY ACTIVE |
| APAnderson Pump CO | Chowchilla | CA | Fabricated Metal Product Manufacturing332321 | — | ◐ LIKELY ACTIVE |
| AFApplied Fusion, LLC | San Leandro | CA | Fabricated Metal Product Manufacturing332618 | — | ◐ LIKELY ACTIVE |
| AMApplied Materials, INC | Santa Clara | CA | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| AMApplied Materials, INC. | Sunnyvale | CA | Machinery Manufacturing333111 | 20-99 | ◐ LIKELY ACTIVE |
| AVArtisan Vehicle Systems | Camarillo | CA | Machinery Manufacturing333131 | 100-499 | ◐ LIKELY ACTIVE |
| APAts Precision Machining, INC. | Norco | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| ABAutomatic Bar Controls, INC. | Vacaville | CA | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
| APAutomation Plating CORP | Glendale | CA | Fabricated Metal Product Manufacturing332813 | 1-19 | ◐ LIKELY ACTIVE |
| BIBeeler Industries | Salida | CA | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| BPBelco Packaging | Monrovia | CA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| BIBemco INC | Simi Valley | CA | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| BEBenchmark Electronics, INC. | Concord | CA | Fabricated Metal Product Manufacturing332117 | — | ◐ LIKELY ACTIVE |
| BBBroekema Beltway USA-California | Woodland | CA | Fabricated Metal Product Manufacturing332812 | 1-19 | ◐ LIKELY ACTIVE |
| BABrooks Automation US, LLC. | Fremont | CA | Machinery Manufacturing333242 | 100-499 | ◐ LIKELY ACTIVE |
| CCCaco-pacific CORP. | Covina | CA | Machinery Manufacturing333511 | 20-99 | ◐ LIKELY ACTIVE |
| CICalifornia Insulated Wire & Cable, INC. | Burbank | CA | Machinery Manufacturing333924 | — | ◐ LIKELY ACTIVE |