Democratic Party of WI Democratic Party USA 222 W. Wash. Ave. Suite 150 Madison, WI 53703 (608) 255-5172 (voice) (608) 255-8919 (fax) party@wisdems.org > Dem. National Committee Right Republican Party of WI GOP 148 E. Johnson St. Madison, WI 53703 (608) 257-4765 Thirds Green Party of WI National Green Party P.O. Box 1701 Madison, WI 53701 608-204-7336 Socialist Party of WI Socialist Party USA 1001 E. Keefe Ave. Milwaukee, WI 53212 (414) 332-0654 WI Communist Party Communist Party USA PO Box 259045 Madison, WI 53725 WI Libertarian Party Libertarian Party USA PO Box 20815 Greenfield, WI 53220 > Libertarian Party Blog > Libertarian Rant Natural Law Party of WI Natural Law Party USA P.O. Box 314 Mukwonago, WI 53149 WI Reform Party Reform Party USA 877-467-3367 America First Party of WI America First Party USA 607 Old 80 Rd Muscoda, WI 53573 (608) 532-6281 Constitution Party of WI Constitution Party of WI P.O. Box 994 Appleton, WI 54912 WI Patriot Party American Patriot Party P.O. Box 451 Kinsman Ohio 44428