| Business | Phone |
| Universal It Solutions 41801 Lakota Rd, Parker 80138 | (303) 841-3188 |
| Cheyenne Systems Group 41699 Thunderhill Rd, Parker 80138 | (303) 646-5552 |
| Closed Circuit Tech Inc 10582 Stoneflower Dr, Parker 80134 | (303) 751-2288 |
| Ge Securityc 7841 Deertrail Dr, Parker 80138 | (720) 851-7339 |