The American Can Company was a manufacturer of tin cans. It was a member of the Tin Can Trust, that controlled a "large percentage of business in the United States in tin cans, containers, and packages of tin." American Can Company ranked 97th among United States corporations in the value of World War II military production contracts. It was formerly a member of the Dow Jones Industrial Average from 1959–1991, though after 1987 it had renamed itself Primerica, a financial conglomerate which had divested itself of its packaging arm in 1986.

Yunnan Tin Microelectronics Materials Corp., part of Yunnan Tin Co., Ltd., is a Chinese company located in Gejiu. The firm manufactures and distributes semiconductor devices. It was acquired by Yunnan Tin Co., Ltd. on July 16, 2010.

Liuzhou Huaxi Group Co. Ltd. (doing business as Huaxi Group Liuzhou Smelting Plant) is a Chinese private company located in Jinchengjiang that manufactures non ferrous mines.

Hunan Shizhuyuan Nonferrous Metals Co., Ltd. engages in the mining, smelting, processing, and sale of nonferrous metal ores. Its products include lead ingots, zinc ingots, molybdenum concentrates, bismuth ingots, iron molybdenum, iron tungsten, molybdenum oxide, raw materials, machinery and equipment, instruments, and spare parts. Its services include construction and installation of industrial and civil construction projects and mine shafts, freight and transportation, and analysis and testing of mining and smelting materials and mineral products. The company was founded on December 19, 1981 and is headquartered in Chenzhou, China.

Guangxi Huaxi Mining Co., Ltd. Tongkeng Mining Branch, established on 2020-05-27, Business scope includes non-ferrous metals,rare metal,Precious metal mining,processing;Metal ores and non-metal ores(Except for national monopoly and exclusive control products)prospecting,mining;metal and non-metal(Except for national monopoly and exclusive control products)processing,Production and operation;Architectural Engineering Design;Mineral dressing agent(Hazardous chemicals excluded),Mechanical equipment and spare parts sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)

Transvalor is a software company providing leading-edge solutions for numerical modeling of forming processes.

Hefei Changqing Machinery manufactures auto parts. They provide machineries for passenger car, VIP car and commercial vehicle.

Xiwuzhumuqin Yinman Mining Co., Ltd. engages in the mining of chemical products. It mines zinc, lead, silver, copper, and tin. Its business activities include sale of mining machineries and accessories, bearings, auto parts, and electronic products. The company was founded on November 23, 2005 and is headquartered in Xilingol, China.

Bgrimm Technology Group Co. Ltd. (doing business as BGRIMM) is a Chinese company located in Beijing and ultimately controlled by the Government of China. The firm operates as a research institute. It was founded in 2000. Long Han is the current CEO of the company.

Qingdao Xinrun Mining Technology Co., Ltd., established on 2019-05-13, Business scope includes mining technology research and development,technical consulting;Mechanical equipment and accessories,Chemical Products(Does not contain dangerous goods),Wujinjiaodian,Wholesale of mechanical and electrical equipment and accessories;Enterprise Management Services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Part of Wuthelam Holdings Ltd., Dulux Australia Ltd. is a company headquartered in Scoresby, Australia, focused on household furniture.

CECA specializes in oil and gas purification services and chemicals manufacturing. The company is headquartered in La Garenne Colombes, France.

Yunnan Tin Industry Research Institute Co., Ltd., established on 2016-08-24, Business scope includes mineral resources project research,technology R & D,Technical service and equipment repair,develop,New material science and technology research,technical consulting,Technical Services,technology transfer,Industry Incubation,Analysis and Identification of Mineral Products,quality inspection,Assay evaluation and standard sample preparation,Disposal of research and development mineral materials,Comprehensive utilization,environmental protection,mining,Mineral dressing,Metallurgical Engineering Design,Civil Architecture Design;survey,design,supervision,Measurement,Cost consultation,Occupational Health Technical Services(The above scope does not contain dangerous chemicals and national restricted prohibited products,It is not allowed to engage in restricted and prohibited industries in its industrial policies in the Economic Development Zone)(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Yunnan Hualian Zinc & Indium Stock Co., Ltd., part of Yunnan Tin Co., Ltd., is a company headquartered in Wenshan, China, that engages in metal and non metal mining and other related operation. The firm was founded in 1958. Yunnan Tin Co., Ltd. acquired Yunnan Hualian Zinc & Indium Stock Co., Ltd. on September 14, 2015 for $588.40 million.

Changsha Research Institute of Mining & Metallurgy Co., Ltd. is a Chinese company located in Changsha and ultimately controlled by the Government of China. The firm focuses on the development and application of high-efficient mining and metallurgy equipment.

Xiamen Zijin Mining and Metallurgy Technology Co., Ltd., established on 2006-10-25, Business scope includes engineering and technology research and experimental development;Other quality inspection technical services;Manufacture of special equipment for environmental protection;Manufacture of other non-metallic mineral products;Chemical Reagent and Auxiliary Manufacturing(Free of hazardous chemicals, monitored chemicals and non-pharmaceutical precursor chemicals);Manufacture of special pharmaceutical materials for environmental pollution treatment(Free of hazardous chemicals, monitored chemicals and non-pharmaceutical precursor chemicals);Wholesale of metals and metal ores(Free of hazardous and monitored chemicals);Import and export of various commodities and technologies(Import and export commodity catalog is not attached),Except for the goods and technologies that the state restricts the company to operate or prohibits the import and export of;Other technology promotion and application services;Other unspecified wholesale business(Does not include business items subject to permit approval);Other unspecified retail trade(Items not subject to permit approval);Information Technology Consulting Services;Other unspecified information technology service industry(Items not subject to permit approval);Natural science research and experimental development;Other unspecified manufacturing industries(Items not subject to permit approval);water pollution control;Solid Waste Treatment(Items not subject to permit approval);Air Pollution Control;gold smelting;Manufacturing of special equipment for metallurgy;Biotechnology Extension Services;Energy-saving technology promotion service;Other pollution control;Engineering Management Services.