| Business | Phone |
| Archive Arts 1780 Rabbit Hl, Fallbrook 92028 | (760) 723-2119 |
| Physicians Micro Systems Inc 39990 Daily Rd, Fallbrook 92028 | (760) 728-9727 |
| Paragon Software Engineering 3590 Los Hermanos Rd, Fallbrook 92028 | (760) 728-2535 |
| Optinco 711 Stone Post Rd, Fallbrook 92028 | (760) 728-9998 |
| Di Versa Tek Computer Systems 2623 Daisy Ln, Fallbrook 92028 | (760) 451-1100 |