| Business | Phone |
| Siemens Building Technologies 981 Elkton Dr, Colorado Springs 80907 | (719) 266-6565 |
| Control Network Svc Po Box 60879, Colorado Springs 80960 | (719) 475-8033 |
| Long Building Technologies Inc 5260 Mark Dabling Blvd # 200, Colorado Springs 80918 | (719) 592-0364 |
| Johnson Controls Inc 4720 Forge Rd, Colorado Springs 80907 | (719) 266-9843 |