| AAllport | Santa Fe Springs | CA | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| AWAll Ways Machining INC | Santa Fe Springs | CA | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| APAmerican Prestige Finishing INC | Santa Fe Springs | CA | Paper Manufacturing322299 | — | ◇ UNVERIFIED |
| ARAmerican Relays INC | Santa Fe Springs | CA | Electrical Equipment, Appliance & Component Manufacturing335314 | — | ◇ UNVERIFIED |
| AFAngel Food Service LLC | Santa Fe Springs | CA | Food Manufacturing311942 | — | ◇ UNVERIFIED |
| AFApffels Fine Coffees | Santa Fe Springs | CA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
Applied Biocode | Santa Fe Springs | CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| ABArtimex Bakery LLC | Santa Fe Springs | CA | Food Manufacturing311813 | — | ▲ REPORTED CLOSED |
| ATAsi Truss Works INC. | Santa Fe Springs | CA | Machinery Manufacturing333516 | — | ◇ UNVERIFIED |
| ACAtlas Copco Compressors LLC | Santa Fe Springs | CA | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| AFAvca Fixture Systems | Santa Fe Springs | CA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| AWA W Engineering CO INC | Santa Fe Springs | CA | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| BCBay Cities Container CORP | Santa Fe Springs | CA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| BGBetham Gear Mfg | Santa Fe Springs | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| BWBetter Way & Lovell Grinding | Santa Fe Springs | CA | Transportation Equipment Manufacturing336399 | — | ◇ UNVERIFIED |
| BMB&j Mold Tech INC | Santa Fe Springs | CA | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| BLBoarsk Leasing SFS, LLC | Santa Fe Springs | CA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| BMBorray Manufacturer, INC. | Santa Fe Springs | CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| BMBorray Mfg INC | Santa Fe Springs | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| BCBotnbot CORP | Santa Fe Springs | CA | Food Manufacturing311919 | — | ◇ UNVERIFIED |
| BABradford and Meneghini | Santa Fe Springs | CA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| BDB&r Diversified/reliable Capacitors | Santa Fe Springs | CA | Computer and Electronic Product Manufacturing334414 | — | ◇ UNVERIFIED |
| BSBright Sky Industries | Santa Fe Springs | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| BTBudget Truck Rental | Santa Fe Springs | CA | Transportation Equipment Manufacturing336214 | — | ◇ UNVERIFIED |
| BIBurke Industries INC Sfs Divi | Santa Fe Springs | CA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| BSBusiness Sign Pros | Santa Fe Springs | CA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| CSCable Science, INC. | Santa Fe Springs | CA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| CCCalavar Corporation | Santa Fe Springs | CA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
Calgon Carbon Corporation | Santa Fe Springs | CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| CACalifornia Automation Prototypes LLC Dba Gremer Machine and Tool | Santa Fe Springs | CA | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| CMCal Mix Concrete Co, Inc, Dba California Ready Mix | Santa Fe Springs | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCaltrans | Santa Fe Springs | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CPCal-tron Plating INC | Santa Fe Springs | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CCCapital Cooking Equipment | Santa Fe Springs | CA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| CDCapital Desk CO | Santa Fe Springs | CA | Furniture and Related Product Manufacturing337211 | — | ◇ UNVERIFIED |
| CFCapital Foods | Santa Fe Springs | CA | Food Manufacturing311211 | — | ◇ UNVERIFIED |
| CRCarmenita Road, LLC | Santa Fe Springs | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| CECasale Engineering | Santa Fe Springs | CA | Machinery Manufacturing333612 | — | ◇ UNVERIFIED |
| CPCascade Pump Company | Santa Fe Springs | CA | Machinery Manufacturing333914 | — | ◇ UNVERIFIED |
| CDC&c Die Engraving INC. | Santa Fe Springs | CA | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| COCenco Oil | Santa Fe Springs | CA | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
Central Admixture Pharmacy Services INC | Santa Fe Springs | CA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| CCCentury Chem INC | Santa Fe Springs | CA | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| CCChair Choice LLC (a Corp) | Santa Fe Springs | CA | Furniture and Related Product Manufacturing337211 | — | ◇ UNVERIFIED |
| CUChemetall US INC | Santa Fe Springs | CA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| CLChoice Lithographics INC | Santa Fe Springs | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| CHCigna Healthplans of Californi | Santa Fe Springs | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
Cji Process Systems INC Dba Lee Ray Sandblasting & Coating | Santa Fe Springs | CA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CJC & J Manufacturer | Santa Fe Springs | CA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CTCoastal Tag, INC. | Santa Fe Springs | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |