Western Shore Aviation
- A fixed base operator renting Cessna aircraft along with instruction, inspection and maintenance services. Based in Sheboygan Falls. Also includes listings of aircraft for sale.
- http://www.westernshoreaviation.com/

Proficient Flight
- Providing simulator-based recurrent training for pilots that fly single-engine and light twin aircraft. Based at Waukesha.
- http://www.proficientflight.com/

Wisconsin Aviation
- Private pilot level training along with spin and aerobatic courses, based in Watertown.
- http://www.wisconsinaviation.com/