Arrow, Barbieri, Chance, Dartron, Eli Bridge, Farfabbri, Gerstlauer Elektro, Hafema, Intamin, J&J Amusements, KMG, L&T Systems, Moser Rides, Nauta-Bussink, ORI Industries, Pax Park, Reverchon, Sellner, Tivoli, Universal Designs, Venture, Wisdom, Zierer. A by no means complete list, but a fun list anyway.
--Dave Althoff, Jr.