| Business | Phone |
| Triangle Research & Dev Corp 123 Harmony Hill Ln, Cary 27513 | (919) 465-9696 |
| Tigerteck Design Inc 103 Wabash Cir, Cary 27513 | (919) 380-7762 |
| Integrated Safety Systems Inc 102 Lulworth Ct, Cary 27519 | (919) 387-4991 |
| Kudos Information Inc 5625 Dillard Dr # 217, Cary 27511 | (919) 851-8681 |