| Business | Phone |
| Clearcomm Technical Sales Inc 102 Maltland Dr, Cary 27511 | (919) 233-7001 |
| Ineo Usa 201 Shannon Oaks Cir, Cary 27511 | (919) 319-1099 |
| Lantech Communications Po Box 4991, Cary 27519 | (919) 469-0503 |
| Wireless Management Solutions 100 Laurel Wreath Ln, Cary 27519 | (919) 462-6211 |