| AFAj Fasteners INC | Anaheim | CA | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| AMAmerican Metal Filter Company | Chula Vista | CA | Machinery Manufacturing333411 | — | ◇ UNVERIFIED |
| AMAtlas Metal Cutting, INC. | Buena Park | CA | Machinery Manufacturing333319 | 1-19 | ◇ UNVERIFIED |
| AFAvx Filters CORP | Sun Valley | CA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| CTCulver Tool & Die CO | Gardena | CA | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| DGDowney Grinding CO | Downey | CA | Machinery Manufacturing333319 | 20-99 | ◇ UNVERIFIED |
| DFDs Fibertech Corporation | Santee | CA | Machinery Manufacturing333414 | 20-99 | ◇ UNVERIFIED |
| HCHanford Commodities LLC | Hanford | CA | Machinery Manufacturing333924 | 1-19 | ◇ UNVERIFIED |
| HIHayden Industrial Products | San Bernardino | CA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| JPJ P Ratigan INC | Monterey Park | CA | Machinery Manufacturing333132 | 1-19 | ◇ UNVERIFIED |
| MIMasters in Metal INC | Oxnard | CA | Machinery Manufacturing333511 | — | ◇ UNVERIFIED |
| MIMetalcast INC | Santa Ana | CA | Machinery Manufacturing333511 | 1-19 | ◇ UNVERIFIED |
| MSMw Sausse & CO INC | Valencia | CA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| OMOrchard Machinery Corporation | Yuba City | CA | Machinery Manufacturing333111 | 100-499 | ◇ UNVERIFIED |
| PPP P Mfg CO INC | Santa Fe Springs | CA | Machinery Manufacturing333514 | 1-19 | ◇ UNVERIFIED |
| SSSpecialty Surface Grinding INC | Los Angeles | CA | Machinery Manufacturing333512 | 1-19 | ◇ UNVERIFIED |
| SSS & S Carbide Tool INC | Spring Valley | CA | Machinery Manufacturing333514 | 20-99 | ◇ UNVERIFIED |
| AMADCO Manufacturing, A Massman Company | Sanger | CA | Machinery Manufacturing333993 | 100-499 | ◐ LIKELY ACTIVE |
| AHAgri-con Hydraulics, INC. | Hesperia | CA | Machinery Manufacturing333111 | — | ◐ LIKELY ACTIVE |
| ASAir Source Industries, INC. | Long Beach | CA | Machinery Manufacturing333912 | 1-19 | ◐ 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 |
| ABAutomatic Bar Controls, INC. | Vacaville | CA | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
B&b Manufacturing CO INC | Valencia | CA | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| BIBeeler Industries | Salida | CA | Fabricated Metal Product Manufacturing332999 | 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 |
| CPCalifornia Power Holdings LLC | Chowchilla | CA | Machinery Manufacturing333611 | — | ◐ LIKELY ACTIVE |
| CVCalifornia Vibratory Feeders | Anaheim | CA | Machinery Manufacturing333922 | 20-99 | ◐ LIKELY ACTIVE |
| CECameron Energy Services CORP. | City of Industry | CA | Machinery Manufacturing333514 | — | ◐ LIKELY ACTIVE |
| CUCanon U.s.a., INC. | San Jose | CA | Machinery Manufacturing333242 | — | ◐ LIKELY ACTIVE |
| CICarbon INC | Redwood City | CA | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| CCCarson Cogeneration Company | Carson | CA | Machinery Manufacturing333611 | — | ◐ LIKELY ACTIVE |
| COCavins Oil Well Tools | Signal Hill | CA | Machinery Manufacturing333132 | 20-99 | ◐ LIKELY ACTIVE |
| CWClassic Wire Cut | Valencia | CA | Machinery Manufacturing333319 | 100-499 | ◐ LIKELY ACTIVE |
| CICoherent INC - Tios | Richmond | CA | Machinery Manufacturing333310 | 20-99 | ◐ LIKELY ACTIVE |
| CCCommercial Cooling | City of Industry | CA | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
| CPCompressor Parts & Repair INC | South El Monte | CA | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
| CFConsolidated Fabricators CORP | Galt | CA | Fabricated Metal Product Manufacturing332439 | — | ◐ LIKELY ACTIVE |
| CPCortec Precision sheetmetal | San Jose | CA | Fabricated Metal Product Manufacturing332214 | 100-499 | ◐ LIKELY ACTIVE |
| CICranetech, INC. | Modesto | CA | Machinery Manufacturing333923 | — | ◐ LIKELY ACTIVE |
| CLCryoquip LLC | Murrieta | CA | Fabricated Metal Product Manufacturing332410 | 100-499 | ◐ LIKELY ACTIVE |