| Business | Phone |
| Bedford Design Consultants 177 E Industrial Park Dr, Manchester 3109 | (603) 622-5533 |
| T F Moran Inc 554 Union St, Manchester 3104 | (603) 647-2242 |
| Sfc Engineering Partnership 25 Sundial Ave # 205w, Manchester 3103 | (603) 647-8700 |
| Louis Berger & Assoc 1001 Elm St # 300, Manchester 3101 | (603) 644-5200 |
| Parsons Brinckerhoff Quade 650 Elm St, Manchester 3101 | (603) 647-2021 |