| Business | Phone |
| Cook Design Group 3113 Murkle Rd, Westminster 21158 | (410) 848-9078 |
| Incorporated Intellitech 1280 Landing Ln # 4, Westminster 21157 | (410) 876-1229 |
| Perrine Design 1111 Yorkshire Way, Westminster 21158 | (410) 876-6517 |
| Wantz Drafting Svc 2535 Tyrone Rd, Westminster 21158 | (410) 848-8008 |