| CEContour Engineering INC. | Santa Ana | CA | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| ECEaton Corporation | Santa Ana | CA | Electrical Equipment, Appliance & Component Manufacturing335999 | 100-499 | ◐ LIKELY ACTIVE |
| EFE.f.t. Fast Quality Service, INC. | Santa Ana | CA | Printing and Related Support Activities323120 | — | ▲ REPORTED CLOSED |
| EMExpress Metal Aerospace, INC. | Santa Ana | CA | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| FGFresh Grill LLC | Santa Ana | CA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| FIFujifilm Irvine Scientific, INC. | Santa Ana | CA | Chemical Manufacturing325414 | 100-499 | ◐ LIKELY ACTIVE |
| HIHarveys Industries Inc. | Santa Ana | CA | Leather and Allied Product Manufacturing316992 | 20-99 | ◐ LIKELY ACTIVE |
| JMJc Machine & Mfg, CORP. | Santa Ana | CA | Leather and Allied Product Manufacturing316110 | — | ◐ LIKELY ACTIVE |
| LGLiquid Graphics INC | Santa Ana | CA | Printing and Related Support Activities323113 | 100-499 | ◐ LIKELY ACTIVE |
| MCMcGuff Company, Inc | Santa Ana | CA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| MIMedtronic Inc., Heart Valves Div. | Santa Ana | CA | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| PCPrecision Circuits West,inc. | Santa Ana | CA | Computer and Electronic Product Manufacturing334412 | — | ◐ LIKELY ACTIVE |
| PTPrime Tech Cabinets | Santa Ana | CA | Wood Product Manufacturing321999 | 100-499 | ◐ LIKELY ACTIVE |
| RPRich Products Santa Ana | Santa Ana | CA | Food Manufacturing311710 | 100-499 | ◐ LIKELY ACTIVE |
| SCSelect Circuits | Santa Ana | CA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| SSStanco Signage Systems, INC | Santa Ana | CA | Miscellaneous Manufacturing339950 | — | ▲ REPORTED CLOSED |
| SHStremicks Heritage Foods-Santa Ana CA | Santa Ana | CA | Food Manufacturing311511 | 100-499 | ◐ LIKELY ACTIVE |
| SPSwiss Pattern CORP. | Santa Ana | CA | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| TSTalimar Systems, INC. | Santa Ana | CA | Furniture and Related Product Manufacturing337127 | — | ◐ LIKELY ACTIVE |
| TSTobin Steel | Santa Ana | CA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| TITwed-dell's INC. | Santa Ana | CA | Nonmetallic Mineral Product Manufacturing327215 | — | ◐ LIKELY ACTIVE |
| WFWestlake Food Corporation | Santa Ana | CA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| AMAstech/mci Manufacturing INC | Santa Ana | CA | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
Axiom Materials, INC. | Santa Ana | CA | Textile Mills313320 | — | ◐ LIKELY ACTIVE |
| BIBrasstech INC - Carnegie | Santa Ana | CA | Fabricated Metal Product Manufacturing332323 | — | ◐ LIKELY ACTIVE |
| BFBristol Fiberlite Industries Incorporated | Santa Ana | CA | Fabricated Metal Product Manufacturing332323 | — | ◐ LIKELY ACTIVE |
| CECarich Enterprises, INC. | Santa Ana | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| 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 |
| AMAckley Metal Products | Santa Ana | CA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| ANAcp Noxtat, INC. | Santa Ana | CA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| AMAdvanced Medical Optics | Santa Ana | CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| ACAqua-con Company | Santa Ana | CA | Textile Mills313310 | — | ◇ UNVERIFIED |
| AAArlon Adhesive System/decorative Films | Santa Ana | CA | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| APAstc Polymers INC | Santa Ana | CA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
Astech Engineered Products | Santa Ana | CA | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| BIBaf Industries | Santa Ana | CA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| BBrasstech | Santa Ana | CA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| BBButler Box & Stake | Santa Ana | CA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| CHCalifornia Hazardous Svcs INC | Santa Ana | CA | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| CMCapitol Machine | Santa Ana | CA | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| CMCelltech Manufacturing Ca, INC. | Santa Ana | CA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| CTChrome Tech INC | Santa Ana | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CIChrometech INC | Santa Ana | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| DEData Electronics Services | Santa Ana | CA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| FCFilter Concepts INC | Santa Ana | CA | Computer and Electronic Product Manufacturing334416 | — | ◇ UNVERIFIED |
| GIGemini Ind INC | Santa Ana | CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| GGemtech | Santa Ana | CA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| HRHolliday Rock Santa Ana 25 | Santa Ana | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |