| Business | Phone |
| Acs Dataline 1933 Westridge Dr, Irving 75038 | (972) 277-3440 |
| Momentum Global Svc 580 Decker Dr, Irving 75062 | (972) 871-0663 |
| Verizon 3307 W Airport Fwy, Irving 75062 | (972) 413-7401 |
| Paloma Group Inc 1401 Colony Dr, Irving 75061 | (972) 253-5015 |
| A T & T 1431 Greenway Dr, Irving 75038 | (972) 580-8460 |
| Verizon 100 E Royal Ln, Irving 75039 | (972) 443-0400 |
| Cendera Technologies 8350 Sterling St, Irving 75063 | (972) 812-5000 |
| Nec Unified Solutions Inc 6535 State Highway 161, Irving 75039 | (214) 262-2000 |
| Net 2 Phone 8181 Jetstar Dr, Irving 75063 | (214) 441-3938 |
| Transcom Communications 1925 W John Carpenter Fwy #500, Irving 75063 | (972) 792-3700 |
| Verizon Information Svc 5601 Executive Dr, Irving 75038 | (972) 518-2700 |
| Verizon 600 Hidden Rdg, Irving 75038 | (972) 256-4064 |
| Verizon 8550 Esters Blvd, Irving 75063 | (972) 929-2000 |
| Verizon 9150 N Royal Ln, Irving 75063 | (972) 929-4129 |
| Verizon 700 Hidden Rdg, Irving 75038 | (972) 717-1600 |