| Business | Phone |
| Wisconsin Council Po Box 2236, Fond Du Lac 54936 | (920) 922-8554 |
| Construction & Gen Laborers W7213 Melody Ln, Fond Du Lac 54937 | (920) 922-3887 |
| General Building & Constr W7213 Melody Ln, Fond Du Lac 54937 | (920) 921-6486 |
| International Assoc-Machinists 50 E Bank St, Fond Du Lac 54935 | (920) 921-2164 |
| Labor Council-Fond Du Lac Cnty 50 E Bank St, Fond Du Lac 54935 | (920) 921-9977 |
| Plumbers & Fitters Union 460 W 11th St, Fond Du Lac 54935 | (920) 921-6490 |
| Teamsters Union 88 S Portland St, Fond Du Lac 54935 | (920) 922-2880 |