Canada
Association de Ultimate de Montreal, Canadian Ultimate Players Association, Comox Valley Ultimate Players Association, Fredericton Ultimate Frisbee, Kelowna Ultimate Players Society, Lakehead University Disc Federation, London Ultimate.ca, London, Ontario Ultimate Group, Maple Ridge Ultimate, Ottawa-Carleton Ultimate Association (OCUA)
United States
Albuquerque Ultimate Frisbee Association, Arizona Ultimate, Bellingham, Berkshire Ultimate, Central Maryland Ultimate Association, Charleston Ultimate Players Association, Fayetteville Disc Association, Flagstaff Ultimate, Hawaii Ultimate League Association, Houston Ultimate Community
DiscNW - Ultimate in the Northwest
A very complete resource for Ultimate in Washington, Oregon, and British Columbia