| Business | Phone |
| Centerpointe Infosystem 87 E Green St # 303, Pasadena 91105 | (626) 568-2840 |
| Ilan Systems Pasadena 91101 | (626) 304-9021 |
| Dreamtek Industries 135 W Green St # 300, Pasadena 91105 | (626) 449-9028 |
| 4 Network Support 164 Chestnut St # 3, Pasadena 91103 | (626) 744-2763 |
| Jsn Professional Computer 1220 E Woodbury Rd, Pasadena 91104 | (626) 797-3462 |