| FCFabrication Concepts CORP | Santa Ana | CA | Fabricated Metal Product Manufacturing332214 | — | ◐ LIKELY ACTIVE |
| MPModified Plastics INC | Santa Ana | CA | Chemical Manufacturing325991 | — | ◐ LIKELY ACTIVE |
| SCSouthern California Plastics INC | Santa Ana | CA | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| AIAdams Iron Co | Santa Ana | CA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| AMAftco Mfg Co, INC | Santa Ana | CA | Miscellaneous Manufacturing339920 | 20-99 | ◐ LIKELY ACTIVE |
| ACAll Counties Glass | Santa Ana | CA | Nonmetallic Mineral Product Manufacturing327215 | 1-19 | ◐ LIKELY ACTIVE |
Altium Packaging - Santa Ana | Santa Ana | CA | Plastics and Rubber Products Manufacturing326160 | 20-99 | ◐ LIKELY ACTIVE |
| AFAlton Facility | Santa Ana | CA | Fabricated Metal Product Manufacturing332112 | 100-499 | ◐ LIKELY ACTIVE |
Ascent Aerospace, LLC. | Santa Ana | CA | Machinery Manufacturing333514 | 100-499 | ◐ LIKELY ACTIVE |
| APAtlas Propulsion INC | Santa Ana | CA | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◐ LIKELY ACTIVE |
| BABear and Eagle Products | Santa Ana | CA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| BPBehr Paint Company Garry | Santa Ana | CA | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| BPBehr Paint Company Yale MFG | Santa Ana | CA | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| BPBehr Process LLC | Santa Ana | CA | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| BOBlinking Owl Distillery, LLC | Santa Ana | CA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| BDBrothers Desserts | Santa Ana | CA | Food Manufacturing311520 | 100-499 | ◐ LIKELY ACTIVE |
| CCCaltronics Circuits, LLC | Santa Ana | CA | Computer and Electronic Product Manufacturing334418 | — | ◐ LIKELY ACTIVE |
| CJChicharrones J&J | Santa Ana | CA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| CCClayton Controls - Santa Ana | Santa Ana | CA | Machinery Manufacturing333995 | 20-99 | ◐ LIKELY ACTIVE |
| CGComeco Group, INC | Santa Ana | CA | Miscellaneous Manufacturing339950 | — | ◐ LIKELY ACTIVE |
| DMDlc Machine INC | Santa Ana | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| EAEdge Aero Mfg, LLC | Santa Ana | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
Electrode Technologies Inc. Reid Metal Finishing | Santa Ana | CA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| FGFreudenberg-nok General Partnership | Santa Ana | CA | Plastics and Rubber Products Manufacturing326291 | — | ◐ LIKELY ACTIVE |
| FBFUJIFILM Biosciences dba. FUJIFILM Irvine Scientific | Santa Ana | CA | Chemical Manufacturing325414 | 100-499 | ◐ LIKELY ACTIVE |
| GEGbf Enterprises INC | Santa Ana | CA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| IIIbis Industries, INC. | Santa Ana | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| IIIteris INC. | Santa Ana | CA | Computer and Electronic Product Manufacturing334290 | 500+ | ◐ LIKELY ACTIVE |
| KMKhaleesi Metal Services 1, INC | Santa Ana | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| KKKimia Kitchen | santa Ana | CA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| KLKingspan Light Air Water | Santa Ana | CA | Fabricated Metal Product Manufacturing332321 | 20-99 | ◐ LIKELY ACTIVE |
| KNK&r Next Generation Bonding INC. | Santa Ana | CA | Machinery Manufacturing333242 | — | ◐ LIKELY ACTIVE |
| MUMagdrive US INC | Santa Ana | CA | Transportation Equipment Manufacturing336415 | — | ◐ LIKELY ACTIVE |
| MAMaruwa America CORP. | Santa Ana | CA | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
| MMMaul Mfg., INC. | Santa Ana | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| MPMicro Precision Swiss, LLC (dba Orchid MPS, Orchid Santa Ana, Orchid Keller, Orchid Torrance) | Santa Ana | CA | Miscellaneous Manufacturing339112 | 100-499 | ◐ LIKELY ACTIVE |
| MMMidnight Munchies, Inc. | Santa Ana | CA | Food Manufacturing311991 | 20-99 | ◐ LIKELY ACTIVE |
| MWM & W Machine Corporation | Santa Ana | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| NANikkiso ACD | Santa Ana | CA | Machinery Manufacturing333911 | 100-499 | ◐ LIKELY ACTIVE |
| NINivek Industries, INC | Santa Ana | CA | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
| NPNu-tech Precision Company LLC | Santa Ana | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| OFOcean Formulations Inc. | Santa Ana | CA | Chemical Manufacturing325620 | 20-99 | ◐ LIKELY ACTIVE |
| OTOc Tactical LLC | Santa Ana | CA | Apparel Manufacturing315250 | — | ◐ LIKELY ACTIVE |
| OROmniphase Research Laboratories INC | Santa Ana | CA | Computer and Electronic Product Manufacturing334515 | — | ◐ LIKELY ACTIVE |
| OIOptofab Incorporated | Santa Ana | CA | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| PBPrimo Brands - Santa Ana Factory | Santa Ana | CA | Beverage and Tobacco Product Manufacturing312112 | 20-99 | ◐ LIKELY ACTIVE |
| SASanta Ana Plant #17 | Santa Ana | CA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| SESindri Engineering, LLC | Santa Ana | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| SMSky Machine, INC. | Santa Ana | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| SCSouthern California Prosthetics INC. | Santa Ana | CA | Miscellaneous Manufacturing339113 | — | ◐ LIKELY ACTIVE |