Columbia County Economic Development Corporation
711 E. Cook St.
Portage, WI 53901
608-742-6161
Wisconsin Department of Commerce
201 W. Washington Ave.
P.O. Box 7970
Madison, WI 53707
608-266-1018
Wisconsin Small Business Development Center
432 North Lake Street
423 Extension Building
Madison, WI 53706
608-263-7794
