Texas charter Township, Michigan, US
2008
Conway, New Hampshire, US
2008
Richmond, Virginia, US
2011
Palmerston North, Manawatu-Wanganui, NZ
2011
Waterville, Ohio, US
2010
Ensenada, Baja California, MX
2010
Yorktown, Virginia, US
2011
Budapest, Budapest, HU
2009
Reston, Virginia, US
2011
Oswego, New York, US
2009
Salt Lake City, Utah, US
2010
Norrköping, Östergötland County, SE
2011
Toronto, Ontario, CA
2011
College Station, Texas, US
2012
Fayetteville, North Carolina, US
2015
Portland, Oregon, US
2017