Northwest Technical Services Unit
Four technicians and one supervisor are responsible for the Northwest Technical Services area, covering 20 counties: Douglas, Bayfield, Ashland, Burnett, Washburn, Sawyer, Polk, Barron, Rusk, St. Croix, Dunn, Chippewa, Taylor, Pierce, Pepin, Eau Claire, Clark, Buffalo, Trempealeau, and Jackson.
Two service shops located in Eau Claire and Spooner are responsible for service at 32 tower sites, four dispatch centers, and three Safety and Weight Enforcement Facilities (SWEFs).
Northeast Technical Services Unit
Eight technicians and one supervisor are responsible for the Northeast Technical Services area, covering 29 counties: Iron, Vilas, Forest, Florence, Price, Oneida, Lincoln, Langlade, Oconto, Marinette, Marathon, Shawano, Menominee, Wood, Portage, Waupaca, Outagamie, Brown, Kewaunee, Door, Adams, Waushara, Marquette, Greek Lake, Winnebago, Fond du Lac, Calumet, Manitowoc, and Sheboygan.
Five service shops located in Wausau, Tomahawk, Green Bay, Fond du Lac, and Rubicon are responsible for service at 56 tower sites, one dispatch center, and four Safety and Weight Enforcement Facilities (SWEFs).
Southern Technical Services Unit
Seven technicians and one supervisor are responsible for the Southern Technical Services area, covering 23 counties: La Crosse, Monroe, Juneau, Vernon, Richland, Sauk, Columbia, Dodge, Washington, Ozaukee, Crawford, Grant, Iowa, Lafayette, Dane, Green, Rock, Jefferson, Waukesha, Walworth, Milwaukee, Racine, and Kenosha.
Three service shops located in Tomah, DeForest, and Waukesha are responsible for service at 38 tower sites, six dispatch center, and six Safety and Weight Enforcement Facilities (SWEFs).