Roy Spencer - Mercedes Heritage.
Charlie Potts - Expert bodyman.
Juergen Clockemann - Restoration specialist.
Gus Pfister - Pacific Fuel Injection.
Brian Welton - WorldPac.
Rudi Koniczek - 300SL restoration specialist.
Robert Gross - Rolls Royce and Bentley specialist.
Alan Taylor - Collector car restoration.
Arnaud Van Der Sman - Les Six Troenes.
Brian Joseph - Classic and Exotic Services, Inc.
Tom Hanson - Mercedes Classic Center of Irvine, CA.
Albrecht Stachel - Brooklyn Motoren Werke, Inc.
Mike Elias - Metric Motors, Inc.
Palo Alto Speedometer - Instrument specialist.
MZF Bayer - Transmission remanufacturing.
Dereck T. Hood - JD Classics (UK).