| Business | Phone |
| Seven-Eleven Food Stores 403 N Guadalupe St 403, San Marcos 78666 | (512) 396-4551 |
| Fast Stop 1101 Highway 123, San Marcos 78666 | (512) 353-0278 |
| Gee's Food Store 1001 Highway 80, San Marcos 78666 | (512) 353-5035 |
| Grab N Go 1702 N Ih 35, San Marcos 78666 | (512) 353-8008 |
| Korner Food Store 705 Aquarena Springs Dr, San Marcos 78666 | (512) 396-4819 |
| La Palma 105 Tampico St, San Marcos 78666 | (512) 392-0471 |
| Pac N Sac Drive In Grocery 1503 Post Rd, San Marcos 78666 | (512) 396-1666 |
| Pac-N-Sac Drive In Grocery 2100 Ranch Road 12, San Marcos 78666 | (512) 396-3433 |
| Pac-N-Sac Drive In Grocery Highway 123, San Marcos 78666 | (512) 396-8302 |
| Quick Shop 1702 N I H 35, San Marcos 78666 | (512) 353-3644 |
| Racetrac Petroleum Inc 1103 Highway 80, San Marcos 78666 | (512) 392-2048 |
| Sac-N-Pac Drive In Groceries 1405 United Dr, San Marcos 78666 | (512) 392-6484 |
| Sac-N-Pac Drive In Groceries 2700 Hunter Rd B, San Marcos 78666 | (512) 396-0851 |
| Stop N Drive 1699 N I H 35, San Marcos 78666 | (512) 392-2010 |
| Sunny's Food 1701 Ranch Road 12, San Marcos 78666 | (512) 392-7413 |
| Super Stop 1525 Loop 82, San Marcos 78666 | (512) 353-8546 |
| Yellow Store 301 E Hopkins St, San Marcos 78666 | (512) 754-5810 |