Unifor Local 2163 received its charter on June 1, 1981 with the formation of a bargaining unit at Freuhauf . Local 2163 began as a UAW local, became CAW in 1985, and is now a member of Unifor following the merger in 2013 of CAW and CEP.

Presently, the 9 units that comprise the Local, in chronological order are; Sivaco – 1985, Aramark – 1991, Domclean -1992, Pinkerton (Securitas) – 1993, Autrans – 1998, 2 units at Leisureworld, one fulltime and one part-time in 2000 (name changed to Secord Trails Care Community in 2015), Phillips services (Robinson Solutions) in 2001, and Nifast in 2006.