| Business | Phone |
| Applied Knowledge Inc 1502 Brookhollow Dr # A, Santa Ana 92705 | (714) 751-3480 |
| Geospatial Technologies 3130 S Harbor Blvd # 430, Santa Ana 92704 | (714) 434-9936 |
| Alliance Integration Inc 2271 Ritchey St, Santa Ana 92705 | (714) 964-2952 |
| Alpha Networks 3501 S Harbor Blvd, Santa Ana 92704 | (714) 540-8800 |
| Henderson & Son Santa Ana 92701 | (714) 552-2281 |