BROWN COUNTY:

 Howard Suamico School District

DANE COUNTY:

City of Fitchburg
City of Madison Purchasing

DOUGLAS COUNTY:

City of Superior
Douglas County
School District of Superior

MILWAUKEE COUNTY:

City of Wauwatosa
Milwaukee County Transit System
West Allis - West Milwaukee Schools

PIERCE COUNTY:

City of Prescott

ROCK COUNTY:

County of Rock

WAUKESHA COUNTY:

City of Waukesha Department of Public Works
School District of Kettle Moraine
School District of Waukesha
Waukesha Transit Commission