| Business | Phone |
| Aries Graphics Intl 365 S Rancho Santa Fe Rd # 200, San Marcos 92078 | (760) 752-7640 |
| Electronics Boutique 595 Grand Ave # 104, San Marcos 92078 | (760) 510-3937 |
| Sdrra 1566 Cherokee St, San Marcos 92078 | (760) 591-4475 |
| Ross Systems Inc 330 Rancheros Dr, San Marcos 92069 | (760) 736-3250 |
| Performance Cad-Cam 1227 Linda Vista Dr, San Marcos 92078 | (760) 410-1483 |
| Fossware San Marcos 92069 | (760) 753-1586 |
| Marketing Systems 1021 La Noche Dr, San Marcos 92078 | (760) 471-1226 |