Chilwell, Nottinghamshire; Barton Transport; 1908-1989; bus company
Henry Hulley & Sons Ltd; 1914-; Bus operators, of Baslow.
Trent Motor Traction; 1913-1989; Bus company serving Derbyshire and Nottinghamshire; merged with Barton in 1989 to form TrentBarton.
Bryan Donkin Company Ltd of Chesterfield, engineering firm