JCT600 is a car dealership founded in Bradford, England in 1946 by Edward Tordoff - the company is now run by his grandson, John Tordoff.
JCT600 takes its name from Jack Tordoff's Mercedes-Benz 600 personalised number plate and it was in a Porsche 911 bearing that very registration that Jack won the International Circuit of Ireland in 1973.
Sport
JCT600 are the main sponsors of the Bradford Bulls and Yorkshire County Cricket Club and were the main sponsors of Bradford City A.F.C. between 1996 and 2006. John Tordoff's son, is a professional racing driver, having competed in the championship, and the , with JCT600 backing.
<gallery>image:JCT 600, Apperley Ln, Apperley Br-3-1200.jpg|Head quarters of JCT600 group</gallery>