| Business | Phone |
| Alternative System Concepts 22 Haverhill Rd, Windham 3087 | (603) 437-2234 |
| Dickie Consulting Inc 54 Castle Hill Rd, Windham 3087 | (603) 881-5606 |
| Keynet Inc 115 Indian Rock Rd, Windham 3087 | (603) 890-5355 |
| Multiprocess Computer Corp 1 Industrial Dr, Windham 3087 | (603) 893-9090 |
| N-Tier Technology 14 Greenway Rd, Windham 3087 | (603) 432-3404 |
| Norrad 25 Indian Rock Rd, Windham 3087 | (603) 434-0047 |
| Ron Grelle Consulting Corp 9 Woodvue Rd, Windham 3087 | (603) 893-1170 |
| Strafford Technologies 7 Wall St, Windham 3087 | (603) 434-2550 |