Michael Sutherlin

National Mining Association operates as national trade organization of the U.S. mining industry. It represents the interests of mining before Congress, the administration, federal agencies, the judiciary and the media. The company was founded in 1995 and is headquartered in Washington, DC.

Joy Technologies, Inc. manufactures underground mining equipment. Its products include conveyors, stageloaders, crushers, and bolting and haulage systems. The company was founded by Joseph Joy on June 4, 1920 and is headquartered in Warrendale, PA.

Part of Komatsu Ltd., Joy Mining Machinery Ltd. is a British company that manufactures and services high productivity mining equipment. The company is based in Worcester, UK.

Part of NOV, Inc., Varco BJ BV provides OEM simulator training programs and courses for NOV drilling and lifting & handling equipment and systems. The company is based in Etten-Leur, Netherlands. NOV provides oilfield equipment, technologies, and expertise to the oil and gas industry worldwide, with a focus on safety, efficiency, and reliability. The Dutch company was founded in 1872 by Byron Jackson.

International Mining Machinery Holdings Ltd.engages in the design, manufacture and sale of underground longwall coal mining equipment. It operates through the following segments: Roadheader Products and Aftermarket Parts and Services, Shearer Products and Aftermarket Parts and Services, Armoured-face Conveyors and Related Products and Aftermarket Parts and Services, and Electric Control Systems and Related Products and Aftermarket Parts and Services. The Roadheader Products and Aftermarket Parts and Services segment is engaged in the design, manufacture and sale of roadheader products and the provision of aftermarket services which include onsite service repairs, overhaul and supply of spare parts to customers. The Shearer Products and Aftermarket Parts and Services segment is engaged in the design, manufacture and sale of shearer products and the provision of aftermarket services which include onsite service repairs, overhaul and supply of spare parts to customers. The Armoured-face Conveyors and Related Products and Aftermarket Parts and Services segment is engaged in the manufacture and sale of armoured-face conveyors and related spare parts and the provision of aftermarket services which include onsite service repairs, overhaul and supply of spare parts to customers. The Electric Control Systems and Related Products and Aftermarket Parts and Services is engaged in the manufacture and sale of electric control systems and related spare parts and the provision of aftermarket services which include onsite service repairs, overhaul and supply of spare parts to customers. The company was founded on April 12, 2006 and is headquartered in Beijing, China.