Spinergy INC. | San Marcos | CA | Miscellaneous Manufacturing339999 | — | ● ACTIVE |
Tlr & Son Hydraulics, INC. | San Marcos | CA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Win Column LLC | San Marcos | CA | Machinery Manufacturing333912 | — | ● ACTIVE |
| CCfan | San Marcos | TX | Transportation Equipment Manufacturing336413 | 500+ | ◐ LIKELY ACTIVE |
| HEHeldenfels Enterprises, INC. | San Marcos | TX | Nonmetallic Mineral Product Manufacturing327310 | 100-499 | ◐ LIKELY ACTIVE |
| HIHunter Industries INC | San Marcos | CA | Plastics and Rubber Products Manufacturing326199 | 500+ | ◐ LIKELY ACTIVE |
| CACollins Aerospace | San Marcos | TX | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| NINonlinear INC | San Marcos | CA | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| CPCapital Precast | San Marcos | TX | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| CCCliniqa Corporation | San Marcos | CA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| CCClinqa Corporation | San Marcos | CA | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| CCCorvac Composites, LLC. | San Marcos | TX | Plastics and Rubber Products Manufacturing326121 | 20-99 | ◐ LIKELY ACTIVE |
| EPEpic Piping | San Marcos | TX | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| LSL. Schultz INC Dba Lee's Aquarium & Pet Products | San Marcos | CA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| SMSenza Maestro Spirits | San Marcos | TX | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| AGAdp Granite & Marble Design | San Marcos | CA | Nonmetallic Mineral Product Manufacturing327991 | — | ◐ LIKELY ACTIVE |
| HIHocking International Laboratories | San Marcos | CA | Chemical Manufacturing325611 | — | ◐ LIKELY ACTIVE |
| IBIon Biosciences at Star Park | San Marcos | TX | Chemical Manufacturing325130 | — | ◐ LIKELY ACTIVE |
| EOEl-milagro of Texas | San Marcos | TX | Food Manufacturing311830 | — | ◇ UNVERIFIED |
| GTGenlyte Thomas Group Wide-lite Division | San Marcos | TX | Electrical Equipment, Appliance & Component Manufacturing335132 | — | ◇ UNVERIFIED |
| 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 |
| PPavestone | San Marcos | TX | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| SASignet Armorlite INC | San Marcos | CA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| SPSouthern Post Texas | San Marcos | TX | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| TCTrosak Cabinets INC | San Marcos | CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| TMTxi-san Marcos Ready Mix | San Marcos | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| 6S622 San Marcos | San Marcos | CA | Food Manufacturing311511 | 100-499 | ◐ LIKELY ACTIVE |
| ASAccu-seal Sencorpwhite, INC. | San Marcos | CA | Machinery Manufacturing333993 | — | ▲ REPORTED CLOSED |
| ALAccu-tech Laser Processing, INC. | San Marcos | CA | Computer and Electronic Product Manufacturing334413 | — | ◐ LIKELY ACTIVE |
| ASAlvarado Solutions LLC | San Marcos | TX | Fabricated Metal Product Manufacturing332510 | — | ◐ LIKELY ACTIVE |
| ATAvista Technologies Inc | San Marcos | CA | Chemical Manufacturing325998 | 20-99 | ◐ LIKELY ACTIVE |
| CACamulus Armorers Limited Liability CO | San Marcos | TX | Electrical Equipment, Appliance & Component Manufacturing335991 | — | ◐ LIKELY ACTIVE |
| CCCarlsbad Coastal Winery | San Marcos | CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| CECreative Electron INC. | San Marcos | CA | Computer and Electronic Product Manufacturing334517 | — | ◐ LIKELY ACTIVE |
| CSCulinary Specialties Inc. | San Marcos | CA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| EWEv West INC. | San Marcos | CA | Transportation Equipment Manufacturing336320 | — | ◐ LIKELY ACTIVE |
| GRGeist Robotics, INC. | San Marcos | TX | Computer and Electronic Product Manufacturing334290 | — | ◐ LIKELY ACTIVE |
| GEGeneral Electronic Devices, INC. | San Marcos | CA | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
| IRIngram Readymix, Inc.-san Marcos #13 | San Marcos | TX | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| KSKamps San Marcos | San Marcos | TX | Wood Product Manufacturing321920 | 1-19 | ◐ LIKELY ACTIVE |
| KMK-tech Machine, INC. | San Marcos | CA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LFLa Fleur's Winery | San Marcos | CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| MDMACKAY Distillers | San Marcos | CA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| MMMeadiocrity Mead | San Marcos | CA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| MSM&q Smtx | San Marcos | TX | Plastics and Rubber Products Manufacturing326111 | 20-99 | ◐ LIKELY ACTIVE |
| NENaval Engineering Technology LLC. | San Marcos | CA | Transportation Equipment Manufacturing336611 | 1-19 | ◐ LIKELY ACTIVE |