Re-read ConcordeBoy's post. He's saying that if you say the "Four Types" are the only major ones existing as businesses today (Boeing, Airbus, Embraer and Bombardier) then you can add HP and US to the mix.
Although I don't believe HP operates any Embraer aircraft, so that excludes them.
"In this present crisis, government is not the solution to our problem - government IS the problem." - Ronald Reagan
Comments made here are my own and are not intended to represent the official position of Alaska Air Group
Garuda Indonesia has all four I think although the F-28 is being operate by Citilink, their low cost hands. Also I think they are looking to retire their DC-10 too.
Their fleet now are: