| IAInfinite Ascent LLC | San Marcos | CA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| LFLa Fe Tortilleria INC | San Marcos | CA | Machinery Manufacturing333241 | — | ◇ UNVERIFIED |
| LTLatex Technology INC. | San Marcos | CA | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| MPMacdermid Printing Solutions | San Marcos | CA | Printing and Related Support Activities323120 | — | ◇ UNVERIFIED |
| MPMar-con Products INC | San Marcos | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SASignet Armorlite INC | San Marcos | CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TCTrosak Cabinets INC | San Marcos | CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| BIBaked in the Sun Dba House of Tudor | San Marcos | CA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| BHB & H Tool CO | San Marcos | CA | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| 2V237 Via Vera Cruz | San Marcos | CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| 7W74 Weld, Inc. | San Marcos | CA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ACAbba Collision Paint & Body Dba La Mirada Paint and Body Shop | San Marcos | CA | Transportation Equipment Manufacturing336360 | — | ◇ UNVERIFIED |
| ABAbel & Brothers Custom Iron Works | San Marcos | CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| AIAeroweld INC | San Marcos | CA | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| AGA & G Industries INC | San Marcos | CA | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| ACAll City Storage | San Marcos | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| ALAquaneering LLC | San Marcos | CA | Apparel Manufacturing315990 | — | ◇ UNVERIFIED |
| AAAudience AV, Inc. | San Marcos | CA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| BBBestop Baja LLC Dba Baja Designs | San Marcos | CA | Transportation Equipment Manufacturing336321 | — | ◇ UNVERIFIED |
| BFBiodriven Fuel LP | San Marcos | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| BSBoral Stone Products LLC | San Marcos | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| BDBrew Dudes, LLC. | San Marcos | CA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| CACalifornia Air Compressor Company | San Marcos | CA | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| CCCalifornia Commercial Asphalt LLC | San Marcos | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CSCalifornia Sheet Metal Works INC | San Marcos | CA | Machinery Manufacturing333513 | — | ◇ UNVERIFIED |
| CMCart Mart INC | San Marcos | CA | Transportation Equipment Manufacturing336999 | — | ◇ UNVERIFIED |
| CSChristenson Surfboards, INC. | San Marcos | CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| CCCliniqa Corporation | San Marcos | CA | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| CVCmjm Ventures, INC. | San Marcos | CA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| CIConamore INC | San Marcos | CA | Food Manufacturing311821 | — | ◇ UNVERIFIED |
| DMDavid Maldonado | San Marcos | CA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| DTDeupree Trucking Corporation | San Marcos | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| DMDexter Marine Products LLC | San Marcos | CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| DCDiagraphics CORP | San Marcos | CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| DSDiscovery Sl LLC | San Marcos | CA | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| DIDwyer Instruments, LLC (dba Fluid Components International) (tech Center) | San Marcos | CA | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| ESEdith Sewing | San Marcos | CA | Apparel Manufacturing315212 | — | ◇ UNVERIFIED |
| ETElectro Tech Coatings INC | San Marcos | CA | Miscellaneous Manufacturing339910 | — | ◇ UNVERIFIED |
| EMEnstrom Mold & Engineering INC | San Marcos | CA | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| ETEsperanza's Tortilleria | San Marcos | CA | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| EDEz Demolition Services | San Marcos | CA | Transportation Equipment Manufacturing336510 | — | ◇ UNVERIFIED |
| FCFluid Components International LLC | San Marcos | CA | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| GSGolden State Graphics | San Marcos | CA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| GBGrant Burns, LLC | San Marcos | CA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| GCGsi Capital Partners LLC | San Marcos | CA | Leather and Allied Product Manufacturing316110 | — | ◇ UNVERIFIED |
| HIHalabi, INC | San Marcos | CA | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| HAHanson Aggregates Pacific Southwest | San Marcos | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| HPHappy Potamus Holdings LLC | San Marcos | CA | Apparel Manufacturing315990 | — | ◇ UNVERIFIED |
| HIHasa INC. | San Marcos | CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| HBHealth Breads INC Dba Oasis Breads | San Marcos | CA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
