1966
R. David Wick forms Guardian Pest Control in Duluth, Minnesota
1982
Sons Jeffrey and Jason join Guardian part-time during the summers
1991
Jeffrey joins Guardian full-time
1993
Jason joins Guardian full-time
1995
Jeffrey and Jason become partners in Guardian
2000
R. David Wick retires; Jason is named President; Jeffrey, Vice-President
2001
Guardian opens an office in Negaunee, Michigan
2002
Guardian opens an office in Minneapolis, Minnesota
2009
Guardian Pest Control changes name to Guardian Pest Solutions
2009
Guardian purchases office and warehouse space in St. Paul, Minnesota
2010
Guardian opens an office in Milwaukee, Wisconsin
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