Which air-line flies through Fort  Collins - Loveland Municipal Airport and employees 3,700 employees?
Fort Collins–Loveland Municipal Airport Northern Colorado Regional Airport (IATA: FNL, ICAO: KFNL, FAA LID: FNL) is a public use airport located nine nautical miles (10 mi, 17 km) southeast of the central business district of Fort Collins and northeast of Loveland, both cities in Larimer County, Colorado, United States. It is mostly used for general aviation; scheduled passenger jet service operated by Allegiant Air nonstop to Las Vegas was discontinued in October 2012. The airport supports commercial flights non-stop to Chicago Rockford International Airport by Elite Airways.
Piper Aircraft Piper Aircraft, Inc., is a manufacturer of general aviation aircraft, located at the Vero Beach Municipal Airport in Vero Beach, Florida, United States and owned since 2009 by the Government of Brunei. Along with Beechcraft and Cessna, it was at one time considered one of the "Big Three" in the field of general aviation manufacturing.