| Business | Phone |
| Chevron Food Mart 1200 W San Marcos Blvd, San Marcos 92078 | (760) 471-9190 |
| Shell 679 W San Marcos Blvd, San Marcos 92078 | (760) 471-5399 |
| Rancho Santa Fe Exxon 112 S Rancho Santa Fe Rd, San Marcos 92078 | (760) 597-1640 |
| Rancho Santa Fe Gas 105 S Rancho Santa Fe Rd, San Marcos 92078 | (760) 471-5448 |
| Don Harms Inc 1290 W Mission Rd, San Marcos 92069 | (760) 752-7082 |
| Gas Plus 100 E San Marcos Blvd, San Marcos 92069 | (760) 410-2400 |