Service Area

Commercial Service Area
CTW Corporation is headquartered in Lannon, WI approximately 20 miles northwest of Milwaukee. We service customers throughout the state and upper Michigan in all facets of the water Industry. When water is essential to your business, CTW can help.
Examples of those we service:
- Municipalities
- Condominium or Residential Properties
- Cheese Factories
- Farm Industry
- Golf Courses
- Ski Hill snow production
- Sand and Gravel Wash Plants
- Concrete Plants
Residential Service Area
Our residential division Medary Drilling is located in Holmen, WI roughly 10 miles north of La Crosse. Whether you have a new or existing property your water source is extremely important to you and your family. Medary is the company you can trust for all of your water well necessities.

Contact CTW for Your Water Well Needs
At CTW, we pride ourselves on our elite customer service. Whether your well is on a residential, commercial, or agricultural property, we offer emergency maintenance services and respond within an hour of your call. For more information on how we can help you with your well maintenance, call us today.
Lannon, Wisconsin
Headquarters
21500 W Good Hope Rd
Lannon, WI 53046
Phone: (262) 253-6613
Baraboo, Wisconsin
P.O. Box 394
Baraboo, WI 53913-0394
Phone: (414) 651-8825
Eau Claire, Wisconsin
E 18871 Adolph Road
Augusta, WI 54722
Phone: (262) 352-2082
Green Bay, Wisconsin
LACROSSE, Wisconsin
624 Amy Drive
Holmen, WI 54636
Phone: (608) 526-9345