Joy Mining Machinery

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Joy Mining Machinery
Founded Incorporated in 1919
Headquarters Warrendale, Pennsylvania
Products Continuous Miners
Longwall mining systems
Haulage Systems
Roof Bolting
Number of employees
Parent Joy Global

Joy Mining Machinery is an American manufacturer of surface and underground mining machinery based in the Pittsburgh suburb of Warrendale, Pennsylvania, United States. They are an operating subsidiary of Joy Global Inc.

Parent company overview[edit]

Joy Global Inc. is a worldwide mining machinery and services company. Through its divisions — P&H Mining Equipment and Joy Mining Machinery - the company manufactures underground and surface mining equipment and offers related backup services. P&H Mining Equipment (Surface Mining) and Joy Mining Machinery (Underground Machinery) are specialists in the design, manufacture, distribution, and servicing of mining machinery and equipment. The products are used for the mining of coal, copper, iron, gold and other mineral resources.

Joy Mining Machinery overview[edit]

The Joy Mining Machinery business is headquartered in Warrendale, Pennsylvania with over 40 field offices in eight countries. The firm has a history as a manufacturer of underground mining equipment and providers of aftermarket services. The business was founded in 1920 by Joseph Francis Joy.

Joy Mining Machinery manufactures equipment and provides aftermarket services for the extraction of underground coal (nearly 90% of its business) and other materials such as gypsum, lignite, phosphate, potash, salt and trona found in underground bedded strata, with service centers located near mine sites around the world. Manufacturing plants are located in the US, UK and South Africa. The company has a workforce of approximately 4,500.


Josephy Joy's patent for his loading machine

Joy Mining Machinery designs and manufactures equipment for low, mid and high seam applications for both room plus pillar and longwall mining:

  • Continuous miners
  • Haulage products
  • Bolting systems
  • Longwall systems (shearers, armored flexible conveyors and roof supports)

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