Bolsover; Bolsover Colliery Company; 1890-1947; colliery company
Houfton; Percy Bond (1873-1926); Born Alfreton; architect, designer of Creswell Model Village.
Industrial Housing Association; fl 1922; Provided workers' housing in coalfield areas.
Markham and Company; 1889-; Iron, steel and engineering company based in Chesterfield; now in Sheffield.
Markham; Sir; Arthur (1866-1916); Born Brimington, son of Charles Markham. Liberal politician and industrialist; coalfields owner.
Ripley; Butterley Company; 1790-2009; iron manufacture, engineeing, colliery and brick company
Sheepbridge; Sheepbridge Coal and Iron Company; 1862-1962; iron manufacturer and colliery company
National Coal Board