| 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 |
| HCHughes Circuits INC | San Marcos | CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
 Hughes Circuits INC Dba Hp Precision | San Marcos | CA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| HSHughes SMCC, LLC | San Marcos | CA | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| HIHunter Industries | San Marcos | CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| HIHunter Industries | San Marcos | CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| HIHunter Industries Incorporated | San Marcos | CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| IGInternational Greenscapes LLC | San Marcos | CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| IGInternational Greenscapes LLC | San Marcos | CA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| IAIsmael Aguilar Gonzalez Aka Ismael Aguilar Gonzales | San Marcos | CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| JEJesus Ernesto Velasquez & Rosa Maria Velasquez, Indivdually and Jointly | San Marcos | CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| JJJesus & Juana Martinez | San Marcos | CA | Food Manufacturing311830 | — | ◇ UNVERIFIED |
| KDK & D Enterprises | San Marcos | CA | Miscellaneous Manufacturing339913 | — | ◇ UNVERIFIED |
| LLLady Luck Print Company | San Marcos | CA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| LSLamb Screen Printing INC | San Marcos | CA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| LALees Aquarium | San Marcos | CA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| LPLeslie's Pool Supply | San Marcos | CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| MGMarathon General INC Dba Sealco | San Marcos | CA | Petroleum and Coal Products Manufacturing324122 | — | ◇ UNVERIFIED |
| MFMartinez Family Trust | San Marcos | CA | Food Manufacturing311830 | — | ◇ UNVERIFIED |
| MPMastercore Products | San Marcos | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MCMaxihubs Corporation | San Marcos | CA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| MSMicrowave Specialty Company | San Marcos | CA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| MRMiguel Rivadeneyra | San Marcos | CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| MCMiri Corporation | San Marcos | CA | Miscellaneous Manufacturing339992 | — | ◇ UNVERIFIED |
| MPMonaghan Pavitt Enterprises, Inc. | San Marcos | CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| MSMpp San Diego | San Marcos | CA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| MMultipack | San Marcos | CA | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| NBNe-mo's Bakery, INC | San Marcos | CA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| OFOn Fire INC | San Marcos | CA | Textile Mills313312 | — | ◇ UNVERIFIED |
| ODOrora Dba Landsberg - San Diego | San Marcos | CA | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| PEPacific Electro | San Marcos | CA | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| PLPacific Laser Tec LLC | San Marcos | CA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| PRPark Revocable Family Trust | San Marcos | CA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
