| Business | Phone |
| B E & K Engineering Co 2450 Perimeter Park Dr # 100, Morrisville 27560 | (919) 462-7700 |
| Thermo Retec Consulting Corp 908 Church St, Morrisville 27560 | (919) 468-0437 |
| Stewart Engineering Inc 2000 Aerial Center Pkwy # 118, Morrisville 27560 | (919) 380-8750 |
| Parsons Brinckerhoff Quade 909 Aviation Pkwy # 1500, Morrisville 27560 | (919) 467-7272 |
| North Carolina Quadel Consltng 1 Copley Pkwy, Morrisville 27560 | (919) 319-0808 |
| O'Neal Engineering Inc 3000 Rdu Center Dr # 200, Morrisville 27560 | (919) 840-9500 |
| Lanna Dunlap Spriggs 3000 Rdu Center Dr # 119, Morrisville 27560 | (919) 840-9300 |
| Lwg Consulting Inc 1018 Morrisville Pkwy # D, Morrisville 27560 | (919) 460-4433 |
| Mac Connell & Assoc 909 Aviation Pkwy # 1400, Morrisville 27560 | (919) 467-1239 |
| Urs Corp 1600 Perimeter Park Dr # 100, Morrisville 27560 | (919) 461-1100 |