100 Year Anniversary
  • March 1918

    Guardian opens their doors as a window cleaning company!

  • October 1957

    2nd Generation begins at Guardian.

  • March 1968

    Guardian celebrates 50 Year Anniversary!

  • March 1969

    Guardian Exterminating Services Corp. is established.

  • September 1973

    Guardian Security Services, Inc. is established.
    3rd Generation begins at Guardian.

  • September 1999

    4th Generation begins at Guardian.

  • September 2017

    Guardian expands to New England.

  • January 2018

    Guardian celebrates 100 Year Anniversary!