| Business | Phone |
| Christensen Engenered Sales 840 Kinner St, Castle Rock 80109 | (720) 733-6300 |
| Rocky Mountain Components 4807 N Bearlily Way, Castle Rock 80109 | (303) 688-6993 |
| Navigant 2140 Beacham Dr, Castle Rock 80104 | (303) 663-0605 |
| New Edge Designs Inc 2382 Bayberry Ln, Castle Rock 80104 | (303) 887-2900 |
| Material Automation Systems Po Box 39, Castle Rock 80104 | (303) 663-7431 |