| Business | Phone |
| Avaya Inc 15100 Weston Pkwy, Cary 27513 | (919) 653-1700 |
| Avaya Inc 1917 Evans Rd, Cary 27513 | (919) 678-1081 |
| Blueridge Technology Inc 100 Woodwinds Industrial Ct, Cary 27511 | (919) 465-4475 |
| Business Telephone Systems Po Box 5122, Cary 27512 | (919) 363-4030 |
| Ets Pay Phones Inc 111 Woodwinds Industrial Ct, Cary 27511 | (919) 771-1426 |
| Wiley's Systems 602 E Chatham St # D, Cary 27511 | (919) 460-9900 |