AOPA - www.aopa.org
EAA - www.eaa.org
FAA - http://www.faa.gov/
Flight School List - http://www.flightschoollist.com
Global Air - www.globalair.com
IFF - International Flying Farmers - www.internationalflyingfarmers.org
Landings.com - http://www.landings.com/
Midwest Flyer - http://www.midwestflyer.com/
Pilot Portal USA - Information for the American Aviator: Flight Schools, Aviation Weather, Aviation Directory, Aviation Dictionary, Aviation News, and more - http://pilotportalusa.atspace.com
Wisconsin Airport Management Association - www.wiama.org
Wisconsin Aviation Hall of Fame - http://www.wisconsinaviationhalloffame.org/
Door County Premier Resorts (pilot courtesy car available) - www.doorcountypremierresorts.com