- Thomas Blondet
- Thomas Blum
- Thomas Blumetti
- Thomas Bologna
- Thomas Bond
- Thomas Bonde
- Thomas Boszko
- Thomas Boulman
- Thomas Bow Acquired By Breedon Group
- Thomas Bowen
- Thomas Bradley
- Thomas Brandt
- Thomas Braun
- Thomas Bremner
- Thomas Brennan
- Thomas Briggs
- Thomas Briggs
- Thomas Brinsko
- Thomas Brockington
- Thomas Bronnimann
- Thomas Brooker
- Thomas Brooks
- Thomas Brothers Produce Acquired By FreshPoint
- Thomas Brown
- Thomas Brown
- Thomas Brumgardt
- Thomas Brunsnes
- Thomas Bryan
- Thomas Built Buses Acquired By Daimler AG
- Thomas Burchill
- Thomas Burger
- Thomas Burgett
- Thomas Burmeister
- Thomas Burt
- Thomas Busby
- Thomas Byrne
- Thomas Callahan
- Thomas Campbell
- Thomas Campion
- Thomas Canning
