The bargaining units united by Local 66 in the Arrowhead Region of Minnesota: 

City of Duluth

City of Grand Marais

City of Rice Lake

Duluth Airport Authority

ISD 709 Paraprofessionals

ISD 709 Bus Drivers

ISD 381 Paraprofessionals

ISD 381 Bus Drivers

Spirit Mountain

St. Louis County 911 & Jail

St. Louis County Basic & Merit

WLSSD (Western Lake Superior Sanitary District)