A knowledgeable friend of mine sent me this info to add. Some of these have already been mentioned.
Wade (2) (original Wade and former Link)
Butler (2) (original Butler and former United Shows)
Davis (2) (original Davis and former B&B Amusements)
NAME (3) (Farrow, Mid America (aka former Crown), former CVS)
Belle City (former Bill Hames)
Fiesta Shows
Deggeller
Amusements of America
Murphy Bros. (not sure what happened to it)
Funtastic
Reithoffer
J&J Amusements (former Pugh Shows)
All Star Amusements had one, not sure what happened to it
Gillette Shows had one as well, not sure what happened to it
Beauce Carnaval in Canada had one until this year