| Business | Phone |
| Class One Solutions Inc 4004 Belt Line Rd, Addison 75001 | (972) 386-7005 |
| Abola & Assoc 14665 Midway Rd 145, Addison 75001 | (972) 934-2470 |
| Aeon Technologies 16901 Dallas Pkwy, Addison 75001 | (972) 735-8292 |
| Apex Engineered Solutions 4287 Belt Line Rd 186, Addison 75001 | (972) 763-1777 |
| Applied Engineering 15851 Dallas Pkwy 600, Addison 75001 | (214) 561-8605 |
| Foster Financial Group 4570 Westgrove Dr, Addison 75001 | (972) 818-0379 |
| Engineering & Construction 4501 Sunbelt Dr, Addison 75001 | (972) 381-0323 |
| Ecs-Texas Llp 4950 Keller Springs Rd 480, Addison 75001 | (972) 392-3222 |
| Glo Designs 16415 Addison Rd # 150, Addison 75001 | (972) 233-9558 |
| Hawkes & Assoc Inc 4643 Westgrove Dr, Addison 75001 | (972) 241-6064 |
| Lippe & Assoc Consulting 15950 Midway Rd, Addison 75001 | (972) 387-3500 |
| Mactec 16650 Westgrove Dr, Addison 75001 | (469) 828-4100 |
| Tetra Tech 14673 Midway Rd, Addison 75001 | (972) 701-0713 |
| Morris Engineering Consultants 3728 Alta Vista Ln, Addison 75001 | (972) 980-7600 |
| Muse Stancil & Co 15455 Dallas Pkwy 200, Addison 75001 | (214) 954-4455 |
| Newfields Inc 16200 Addison Rd 280, Addison 75001 | (972) 818-3234 |
| Nkr Engineering Group Inc 4004 Belt Line Rd, Addison 75001 | (972) 818-6305 |
| Practical Building Solution 4901 Keller Springs Rd 111, Addison 75001 | (972) 248-6640 |
| Professional Cladding Systems 4341 Lindbergh Dr, Addison 75001 | (972) 960-2223 |
| Tech Stratex 4006 Belt Line Rd, Addison 75001 | (972) 239-2000 |
| Viewtech Inc 4205 Beltway Dr, Addison 75001 | (972) 661-8187 |