| Business | Phone |
| Rusco Window Co 411 40th St Sw, Fargo 58103 | (701) 281-1848 |
| Pella Window & Door Co 4209 12th Ave N, Fargo 58102 | (701) 277-8900 |
| Pella Window Store 4101 13th Ave S, Fargo 58103 | (701) 281-1390 |
| Energy Systems Inc 1615 1st Ave N, Fargo 58102 | (701) 232-8959 |
| Nelson Window Co 2921 Fiechtner Dr S, Fargo 58103 | (701) 235-9097 |
| Marvin Windows & Doors 3000 7th Ave N, Fargo 58102 | (701) 280-2878 |