- Ab Flight Services (, Wisconsin)
- Ab Flight Services (, Wisconsin)
- Ab Flight Services (, Wisconsin)
- Ab Flight Services (, Wisconsin)
- Maxair (Appleton, Wisconsin)
- Rice Lake Air Center (Cameron, Wisconsin)
- Heartland Aviation, Inc. (Eau Claire, Wisconsin)
- Frontline Aviation (Green Bay, Wisconsin)
- Regal Beloit Flight Service (Janesville, Wisconsin)
- Air Charter Express (Milwaukee, Wisconsin)
- Sterling Aviation, Inc (Milwaukee, Wisconsin)
- Orion Flight Services Inc. (Oshkosh, Wisconsin)
- Rhinelander Flying Service Inc (Rinelander, Wisconsin)
- Wisconsin Aviation, Inc. (Watertown, Wisconsin)
- Waukesha Flying Services (Waukesha, Wisconsin)
- West Bend Air (West Bend, Wisconsin)
- Wings Air Charter Llc (Wisconsin Rapids, Wisconsin)