| Business | Phone |
| O S Systems Inc 26893 Bouquet Canyon Rd # C186, Santa Clarita 91350 | (661) 296-3629 |
| Trendvision Software System 27201 Tourney Rd, Santa Clarita 91355 | (661) 254-0611 |
| Alacrity Software Llc 22777 Lyons Ave, Santa Clarita 91321 | (661) 799-0950 |
| Numeric Computer Systems Santa Clarita 91321 | (661) 255-6001 |
| Elite Security Automation 21618 Golden Triangle Rd # 205, Santa Clarita 91350 | (661) 753-9555 |
| Robert Reed Santa Clarita 91350 | (661) 297-6286 |