ICAO Airline Designator & Telephony
TRAIL LAKE FLYING SERVICE, INC. D/B/A HARBOR AIR (SEWARD, AK)
MOUNTAIN AIR CARGO, INC. (DENVER, NC)
PURDUE UNIVERSITY
RAM AIR FREIGHT, INC. (HILLSBOROUGH, NC)
SUBURBAN AIR FREIGHT, INC. (OMAHA, NE)
JET FREIGHTERS, INC. (PORTLAND, ME)
