Here is my list. I always thought I'm a world traveler, but I surely don't beat the pros here.
American
Aeroflot (in the old days when Boeing or Airbus didn't exist in their fleet and they stopped to refuel in Gander and Shannon)
Aegean Airlines
Air Canada
Air Dolomiti (Lufthansa)
Arkia
Austrian
British Airways
Cathay Pacific
Czech
Elal
KLM
LOT
Lufthansa
Maalev
NationAir (defunct Canadian airline)
Northwest (now Delta)
Royal Air Maroc
Sabena
Singapore
Spirit
Swiss Air
Swiss International Airlines (Swiss air descendant)
United