| Business | Phone |
| Access Control Distributors 1158 Industry Dr 42d, Seattle 98188 | (206) 575-2249 |
| Automated Gates & Equipment 10847 E Marginal Way S, Seattle 98168 | (206) 767-9080 |
| Guardian Gate Controls 331 E Puetz Rd, Seattle 53154 | (414) 570-4369 |
| Ironfire Design & Fabrication 4020 Leary Way Nw, Seattle 98107 | (425) 820-5455 |