Jeff Andretti (1994) Scott Atchison (1989) Tony Bettenhausen, Jr. (1990) Steve Chassey (1992) Andrea Chiesa (1993) Guido Daccò (1989–1990, 1992) Christian Danner (1992–1993) Franck Fréon (1994) Jean-Pierre Frey (1989) Mike Groff (1990–1992) Roberto Guerrero (1991) Davy Jones (1989, 1993) David Kudrave (1993) Jovy Marcelo (1992) Andrea Montermini (1993) Nicola Marozzo (1991–1992) Tero Palmroth (1989, 1992) Vinicio Salmi (1992) Franco Scapini (1991) George Snider (1992) Jeff Wood (1991–1994) Alessandro Zampedri (1994)