For example, an electric power plant might be a purchaser and user of coal, which it purchases from coal-mining companies (producer-sellers) and uses to make electricity.

In September 1913, the United Mine Workers called a strike against coal-mining companies in Ludlow, Colorado.

The railroad closed as a coal hauler April 14, 1956, and along with the coal-mining company was sold for scrap to the Kovalchick Salvage Corporation.

Kuzbassrazrezugol, a Russian coal-mining company.

He soon had to decline many honors and confine his attention to his extensive private practice, acting as counsel for many railroads and lumbering and coal-mining companies.

It covers early frontier days, dealings that left American Indians bereft of their land, the Civil War, Reconstruction and exploitation by coal-mining companies.

Shandong Energy Group Company is a state owned coal-mining company headquartered in Jinan, Shandong, China.

Patriot Coal Corporation is a coal-mining company based in St. Louis, Missouri in the United States.

In 1963, Harry Oppenheimer, Nicholas's father, engineered the sale of the General Mining Corporation, which had gold interests, to a small coal-mining company run by Afrikaners.

Bulga Coal Pty Limited is a coal-mining company based in Singleton, New South Wales, Australia.