This is my list:
AIRLINE SUBSIDIARIES & CONTRACTS
AMERICAN American Eagle
CONTINENTAL Continental Express
DELTA COMAIR & Business Express
NORTHWEST Northeast Connection
UNITED United Express
US AIRWAYS Allegheny Express, Chautauqua, Colgan, CommutAir, Shuttle America
AIRLINE CALLSIGNS
AIR SHUTTLE US Airways Express
AMTRAN American Trans Air
AVITAT Esso Canada
BIZEX Business Express
BLUE RIDGE United Express
BLUE STREAK US Airways Commuter
BRICKYARD Star Alliance (US Airways Express)
CACTUS America West
COLGAN Colgan Airline (US Airways Express)
CRITTER ValuJet
FLAGSHIP Northwest Airlink
FREEDOM AIR Delta Connection
GRAY RIDER NYSP Helicopter
EAGLE FLIGHT American Eagle
ELITE Canada 3000
EXPRESS Federal Express
FIREFLY Jetall
GEORGIAN Air Alliance
JETLINK Continental Express
JETWAY ?
LIFEGUARD Air Ambulance mission (NYSP helicopter)
LIGHTSHIP Northwest Airlink
MIDPAC Mid Pacific
MOUNTAIN Federal Express (feeder)
NORTHEAST Northwest Connection
OPTIONS (unmarked bizjets)
PARTNAIR Partner Air Services
RYAN Emery Air Freight
SAINT CLAIR South West Air, Ltd
SKY CARRIER United Parcel Service
SKYBUS Skybus Airlines
SPEEDBIRD British Airways
TIGER Flying Tigers
TRADER Martinair
TRANSAT Air Trans Atlantic
TRANSPORT ATI
VANGUARD Vanguard Airlines
WATERSKI United Express
WIGGINS Federal Express (feeder)
WISCONSIN United Express