| Business | Phone |
| Armr Roofing Windows Siding 318 Prospect Ave, Fond Du Lac 54937 | (920) 923-2459 |
| Citywide Construction 150 Clinton St, Fond Du Lac 54937 | (920) 921-4862 |
| Freund Siding & Windows Inc W4201 Kiekhaefer Pkwy, Fond Du Lac 54935 | (920) 923-6743 |
| G & C Siding & Trim Specialist 156 Central Ave, Fond Du Lac 54935 | (920) 926-9628 |
| Miller Exteriors & Remodeling 253 5th St, Fond Du Lac 54935 | (920) 979-6275 |
| Valley Building Supplies 1305 Industrial Pkwy E, Fond Du Lac 54937 | (920) 922-9303 |
| Window World Fond Du Lac 235 Morris St, Fond Du Lac 54935 | (920) 923-4189 |
| Wrightway Inc W6688 Wrightway Dr, Fond Du Lac 54937 | (920) 923-0721 |