Quad Cities Bicycle Club: An affiliate of the League of American Bicyclists and the United States Cycling Federation. Online newsletter, ride schedule, and membership information.
Quad Cities Scale Modeler Society: A chapter of the Region 5 of the International Plastic Modelers' Society (IPMS/USA). Features events calendar, members' showcase and newsletters.
Tri-City Motorcycle Club: This AMA-sanctioned group features a photo gallery, directions and location map, an events calendar, a newsletter, and classified ads.