Kirkby-in-Ashfield, Nottinghamshire.; Kirkby Colliery; 1888-1968; coal mine
Ollerton, Nottinghamshire; Ollerton Colliery; 1915-1995; coal mine
Ripley; Butterley Company; 1790-2009; iron manufacture, engineeing, colliery and brick company
Bryan Donkin Company Ltd of Chesterfield, engineering firm