David Leng

Part of Caterpillar, Inc., Caterpillar (Zhengzhou) Ltd. is a Chinese company that manufactures mining machineries. The company is based in Zhengzhou, China.

Bucyrus International, Inc. designed and manufactured mining equipment for surface and underground mining. Its surface equipment include walking draglines, electric shovels, and rotary blasthole drills and is used for mining coal, copper, iron ore, oil sands and other minerals, and underground equipment is used primarily for mining coal. The firm also manufactures OEM parts and provides support services for all Bucyrus brand mining machines. The company was founded in 1880 and was headquartered in Oak Creek, WI.

Part of Caterpillar, Inc., Caterpillar Global Mining LLC is a company that manufactures and distributes mining machinery. The company is based in South Milwaukee, WI.

Part of Caterpillar, Inc., Bucyrus (Langfang) Machinery Co. Ltd. manufactures mining machinery and equipment. The company is based in Jinyuan, China.

Part of Caterpillar, Inc., Caterpillar (China) Investment Co. Ltd. is a holding company.

University of Washington functions as a College/University. The company is headquartered in Seattle, WA.

Beta Gamma Sigma, Inc. is an organization that recognizes academic excellence in business studies. The non-profit company is based in Maryland Heights, MO. The company offers scholarships and grants to their alumni chapters and members to aid in continuing education and chapter development. As a BGS member, individuals have access to exclusive programs designed to refine their skills to meet the changing needs of the business world.

Caterpillar (Xuzhou) Ltd. is based in Xuzhou, China. Caterpillar (Xuzhou) Ltd. was acquired by Caterpillar, Inc. from Xuzhou Construction Machinery Group Co., Ltd. on 2010-06-28. Part of Caterpillar, Inc., Caterpillar (Xuzhou is a Chinese company that operates a manufacturing plant for construction equipment.

Mining Machinery Ltd. (MU) is an investment holding Mauritian company.

DBT RUS OOO provides assembly, commissioning, and maintenance services for coal mining systems and equipment. It also provides spare parts, training, after-sales service, and consulting services. The company is headquartered in Novokuznetsk, Russia.

DBT GmbH manufactures and supplies underground coal mining systems. It offers a range of equipment from hydraulic shield supports, electro hydraulic controls, conveyors, ploughs and shearers to crushers. The company was founded in 1995 and is headquartered in Lunen, Germany.

Caterpillar Financial Services Corp. engages in the provision of retail and wholesale financing alternatives. It operates through the following segments: Construction Industries, Resource Industries, Energy and Transportation, and Financial Products. The Energy and Transportation segment consists of customers in oil and gas, power generation, marine, rail, and industrial applications. The Financial Products segment offers retail and wholesale financing alternatives. The company was founded in 1981 and is headquartered in Nashville, TN.

The Open Society Institute works to build vibrant and tolerant democracies whose governments are accountable to their citizens. To achieve its mission, OSI seeks to shape public policies that assure greater fairness in political, legal, and economic systems and safeguard fundamental rights. On a local level, OSI implements a range of initiatives to advance justice, education, public health, and independent media. At the same time, OSI builds alliances across borders and continents on issues such as corruption and freedom of information. OSI places a high priority on protecting and improving the lives of people in marginalized communities. Investor and philanthropist George Soros in 1993 created OSI as a private operating and grantmaking foundation to support his foundations in Central and Eastern Europe and the former Soviet Union. Those foundations were established, starting in 1984, to help countries make the transition from communism. OSI has expanded the activities of the Soros foundations network to encompass the United States and more than 60 countries in Europe, Asia, Africa, and Latin America. Each Soros foundation relies on the expertise of boards composed of eminent citizens who determine individual agendas based on local priorities.

Jixi Coal Mining Machinery Co. Ltd. produces coal mining machineries except oil and gas field machinery. The company was founded in 1936 and is headquartered in Jixi, China.

Northwestern University is a private institution founded in 1851 to serve the Northwest Territory, an area that now includes the states of Ohio, Indiana, Illinois, Michigan, Wisconsin and parts of Minnesota. Northwestern has three campuses

The American Chamber of Commerce (China) is a non-profit organization with a membership of 4,000 individuals from 900 companies operating across China. The organization's mission is to help American companies succeed in China through advocacy, information, networking, and business support services. With headquarters in Beijing, AmCham also serves central, southern, and northeast China through its chapters in Tianjin, Guangzhou, Shenyang, and Dalian. AmCham China has more than 30 working groups and holds over 150 events each year.

International Mining Machinery Ltd. manufactures, services, and distributes machinery for the coal mining industry. The company's products include hydraulic roof supports and props for long wall mining. The firm was founded in 2006 and is located in China.

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.

Jiamusi Coal Mining Machinery Co. Ltd. produces coal mining machineries except oil and gas field machinery. The company is headquartered in Jiamusi, China.