| Design Air | ||
| US Oil Company | Kimberly | 1-800-444-0101 |
| US Oil Company | Green Bay | 1-800-444-1798 |
| US Oil Company | Madison | 1-888-535-5595 |
| US Oil Company | Milwaukee | 1-800-569-3389 |
| US Oil Company | Wausau | 1-888-363-4779 |
| US Oil Company | West Allis | 1-800-494-4259 |
| Ferguson Enterprises | ||
| Ferguson Enterprises | Appleton | 920-830-8000 |
| Davies Water | Appleton | 920-731-3252 |
| Ferguson Enterprises | Eau Claire | 715-835-5151 |
| Ferguson Enterprises | Green Bay | 920-497-3313 |
| Davies Water | Green Bay | 920-434-7830 |
| Ferguson Enterprises | Hudson | 715-386-5525 |
| Ferguson Enterprises | Janesville | 608-757-9891 |
| Ferguson Enterprises | La Crosse | 608-788-3700 |
| Ferguson Enterprises | Madison | 608-838-3181 |
| Ferguson Enterprises | Madison | 608-242-2920 |
| Ferguson Enterprises | Madison | 608-278-1006 |
| Northern Water Works Supply |
Madison | 608-271-1770 |
| Ferguson Enterprises | Milwaukee | 414-481-0001 |
| Ferguson Enterprises | Milwaukee | 414-289-0612 |
| Davies Water | Muskego | 414-422-1400 |
| Ferguson Enterprises | Sheboygan | 920-457-5013 |
| Ferguson Enterprises | Waukesha | 262-547-1610 |
| Ferguson Enterprises | Wausau | 715-675-3384 |
| Ferguson Enterprises | West Allis | 414-327-8400 |
| Ferguson Enterprises | Wisconsin Dells | 608-253-6352 |
| Ferguson Enterprises | Wisconsin Rapids | 715-421-5300 |
| First Supply | ||
| First Supply | Appleton | 920-739-3136 |
| First Supply | Delavan | 262-740-9151 |
| First Supply | Eau Claire | 715-832-6638 |
| First Supply | Green Bay | 920-337-9004 |
| First Supply | Janesville | 608-314-1079 |
| First Supply | La Crosse | 608-784-3839 |
| First Supply | Madison | 608-222-7799 |
| First Supply | Milwaukee | 414-764-6900 |
| First Supply | Milwaukee | 414-963-9488 |
| First Supply | Plover | 715-254-0371 |
| First Supply | Racine | 262-633-8289 |
| First Supply | Rhinelander | 715-362-7824 |
| First Supply | West Bend | 262-365-0430 |
| ICF Supply Inc. | ||
| ICF Supply Inc. | Menasha | 920-734-8718 |
| Mid State Supply | ||
| Mid State Supply | Fond du Lac | |
| Mid State Supply | Green Bay | |
| Mid State Supply | Wautoma | 920-787-3331 |
| Milwaukee Stove | ||
| Milwaukee Stove | Green Bay | 920-499-5461 |
| Milwaukee Stove | La Crosse | 608-781-6400 |
| Milwaukee Stove | Madison | 608-226-0344 |
| Milwaukee Stove | Milwaukee | 414-258-0300 |
| Milwaukee Stove | Wausau | 715-842-1687 |