From the original list:
Pan Am (707, 741)
National (727)
Canadian/CP Air (742-Combi)
Ansett Australia (F28)
Others:
Dan-Air (727)
Britannia Airways (762)
British Midland / BMI (DC9, A320, Viscount)
Jersey European (Was British European, became Jersey European then became Flybe) (F27)
Flybe (F28)
Caledonian (L1011)
Allegheny (DC9)
BOAC / BEA (although probably operating as BA but in as yet to be updated liveries) (VC10, Trident, BAC111, Viscount, Vanguard, HS748)
Mexicana (DC9)
Air Lanka (now rebranded as SriLankan) (L1011)
President Airlines(TO) (AN24)
OasisHK (O8) (744)
Lovin' the smell of avgas in the morning....