| Business | Phone |
| Lockheed Martin Info Tech 505 W Woodbury Rd, Altadena 91001 | (626) 296-7977 |
| Caleb 2316 Pinecrest Dr, Altadena 91001 | (626) 398-4728 |
| Code Systems Svc Inc 1897 Midlothian Dr, Altadena 91001 | (626) 791-5430 |
| Coumputer Usage Corp 2980 Reposa Ln, Altadena 91001 | (626) 794-6783 |
| In Focus 1869 E Altadena Dr, Altadena 91001 | (626) 836-4886 |
| Meadows Enterprises 298 Parkman St, Altadena 91001 | (626) 794-2964 |
| Systemgate Consulting 2923 Crestford Dr, Altadena 91001 | (626) 296-8838 |