| Business | Phone |
| R D Instruments 9855 Businesspark Ave, San Diego 92131 | (858) 693-1178 |
| Field Technologies 3660 Ruffin Rd, San Diego 92123 | (858) 277-4888 |
| Inter Ocean Systems Inc 3540 Aero Ct, San Diego 92123 | (858) 565-8400 |
| Vehiclepath 11120 Roselle Street, San Diego 92121 | (877) 299-6544 |
| REDTAIL Telematics 3990 Old Town Avenue, Suite B-104, San Diego 92110 | (866) 711-4880 |