| Business | Phone |
| Alcatel Usa 2301 Sugar Bush Rd, Raleigh 27612 | (919) 850-6000 |
| Alcatel Usa 3712 White Chapel Way, Raleigh 27615 | (919) 847-8595 |
| Bailiwick Structural Systems 2300 Acc Blvd, Raleigh 27617 | (919) 212-9120 |
| Carolina Digital Inc 3220 Spring Forest Rd, Raleigh 27616 | (919) 871-0988 |
| Reltec Corp 716 Malbay Ln, Raleigh 27615 | (919) 846-1092 |