| Business | Phone |
| Abc Computers 477 Via Arboles, San Marcos 92069 | (760) 737-2331 |
| Davel Design 717 Crestview Ct, San Marcos 92078 | (760) 591-0672 |
| Socal It Solutions 1872 Matin Cir, San Marcos 92069 | (760) 741-5304 |
| San Diego Professional Dev 866 S Rancho Santa Fe Rd # B, San Marcos 92078 | (760) 471-2002 |
| Help Desk Consultants 1053 Cheryl Ln, San Marcos 92069 | (760) 471-2069 |
| In Touch Systems 742 Avenida Amigo, San Marcos 92069 | (760) 734-4315 |