Bel Air (first certified in 2014)
Berwyn Heights (first certified in 2014)
Boonsboro (first certified in 2014)
Burkittsville
Chesapeake Beach (first certified in 2014)
Cheverly (first certified in 2014)
Frostburg
Greenbelt (first certified in 2014)
Mount Airy
North Beach
Riverdale Park (first certified in 2014)
Takoma Park (2017 Sustainability Champion - highest point total; first certified 2014)
University Park (first certified in 2014)
Annapolis (first certified in 2013)
Bladensburg (first certified in 2013)
Bowie (2016 Sustainability Champion - highest point total; first certified 2013)
College Park (first certified in 2013)
Colamr Manor
Edmonston (first certified in 2013)
Frederick (first certified in 2013)
Gaithersburg (first certified in 2013)
Havre de Grace
Hyattsville (first certified in 2013)
Middletown
Ocean City
Salisbury
Thurmont
Berlin (first certified municipality in 2012; re-certified 2015)
Brunswick
Cambridge
Centreville
Chestertown (first certified 2012; re-certified 2015)
Easton
Emmitsburg
Hagerstown
Laurel
Mount Rainier (2015 Sustainability Champion - highest point total)
Poolesvile
Rockville (first certified 2012; re-certified 2015)
Bel Air
Berwyn Heights
Boonsboro
Chesapeake Beach
Cheverly
Greenbelt
Riverdale Park
Snow Hill
Takoma Park (2014 Sustainability Champion - highest point total)
University Park
Annapolis
Bladensburg
Bowie
College Park
Edmonston
Frederick
Gaithersburg
Hyattsville
Chestertown
Mount Rainier
Rockville
Berlin