SAMOA AIR (under const.)
SATURN
SEABOARD AND WESTERN
SEABOARD WORLD
SEA AND SUN
SIERRA PACIFIC
SIERRA TRANS AIR
SILVER WINGS
SKYBUS
SKYSTAR
SKYWAYS
SKYWORLD
SLICK AIRWAYS
SOUTHEAST
SOUTHERN
SOUTHERN AIR TRANSPORT
SOUTH PACIFIC ISLAND AIRWAYS
SOUTHWEST
SPIRIT
SPIRIT OF AMERICA (under const.)
STANDARD
SUNBIRD AIR WAYS
SUN COUNTRY
SUNFARI
SUNJET
SUN JET INTERNATIONAL
SUNLAND
SUNWORLD