POSCO Holdings Inc. engages in the production of steel products. It operates through the following divisions: Steel, Engineering & Construction and Trading. The Steel division produces cold rolled, hot rolled and stainless steel products, plates, wire rods and silicon steel sheets. The Engineering & Construction division engages in the planning, designing and construction of industrial plants, civil engineering projects, commercial and residential buildings. The Trading division exports and imports steel products and raw materials. The company was founded by Tae-Joon Park on April 1, 1968 and is headquartered in Seoul, South Korea.

The National Steel Corporation (1929–2003) was a major American steel producer. It was founded in 1929 through a merger arranged by Weirton Steel with some properties of the Great Lakes Steel Corporation and M.A. Hanna Company with headquarters in Pittsburgh. Despite a difficult market in Depression-setting 1930, the company reported USD 8.4 million in profits. Again, in 1931 the company was profitable unlike many other competitors. The company could attribute its success primarily to sales to the automobile industry. Large steel producing operations were located near Detroit, providing the company with low shipping costs. Throughout the Great Depression, National Steel obtained profitability every year.

FESTO AG & Co. KG provides pneumatic, servo-pneumatic, and electric automation technology solutions for factory and process automation. The firm operates through the Automation and Didactic segments. The Automation segment offers products, systems, and services related to pneumatic and electrical control, as well as drive technology. The Didactic segment focuses on learning systems, training, and consulting. Its products include pneumatic and electro-mechanical drives, servo-pneumatic positioning systems, motors and controllers, handling systems and grippers, vacuum technology, valves and valve terminals, sensors, vision systems, compressed air preparation, pneumatic and electrical connection technology, control technology and software, as well as complete handling systems, mounting plates, and control cabinets. The company was founded in 1925 and is headquartered in Esslingen, Germany.

Griffin-Woodhouse Ltd. is a British private company located in West Midlands that engages in the design, manufacture and supply of specialist mooring systems.

Manufactures carbon flat rolled products

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

Kunming Institute of Precious Metals is a Chinese private company located in Kunming. The firm engages in scientific research institute that specializing in the development of precious metals.

Jiangsu Shenlong Zinc Industry Co., Ltd., established on 2004-01-02, Business scope includes zinc powder,Zinc oxide,Zinc borate,Zinc phosphate(409,409-1)manufacture,processing,Sales,Zinc stearate,Ethylene bis stearic acid amine(EBS)Sales,Hardware rubber and plastic products,Chemical raw materials(Free of Hazardous Chemicals)Sales,Self-operated and agent import and export business of various commodities and technologies(Except for commodities and technologies that are restricted by the state from business operations and prohibited from import and export).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Beijing Second Water Conservancy Engineering Co., Ltd., established on 1980-12-03, Business scope includes professional contracting;rental construction equipment,construction material rental;Sales of machinery and equipment,building materials.(Market entities independently choose business projects in accordance with the law,Carry out business activities;Items subject to approval by law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the industrial policies of the state and this city.)

United States Steel Corp. engages in the manufacturing and selling of steel products. It operates through the following business segments: Flat-Rolled Products, Mini Mill, U.S. Steel Europe, and Tubular Products. The Flat-Rolled Products segment includes managing steel plants and production facilities that manufacture steel slabs, rounds, strip mill plates, sheets, tin mill, iron ore, and coke. The Mini Mill segment produces hot-rolled, cold-rolled and coated sheets. The U.S. Steel Europe segment produces and markets strip mill plates, spiral welded pipe, heating radiators, refractory ceramic materials. The Tubular Products segment manufactures and trades seamless and electric resistance welded steel casing and tubing, line pipe, and mechanical tubing. The company was founded in 1901 and is headquartered in Pittsburgh, PA.

Mazda Motor Corp. engages in the manufacture and sale of passenger cars and commercial vehicles in Japan, North America, Europe, China, and internationally. It operates through the following segments: Japan, North America, Europe, and Other Areas. Its products include four-wheeled vehicles, gasoline reciprocating engines, diesel engines, automatic and manual transmissions for vehicles, trucks, various engines, transmission parts, machine tools, and materials for casting. The company was founded on January 30, 1920 and is headquartered in Aki, Japan.

Research Institute of Industrial Science & Technology, part of POSCO Holdings Inc., is a company headquartered in Pohang, the South Korea. The firm engages in commercial physical and biological research and development.

Hosokawa Micron Corp. engages in the powder and particle processing technology industry. It operates through the Powder and Plastic Thin Film segments. The Powder segment manufactures grinding and classification device, mixing and drying equipment, measuring machine, dust collector, and composite nanoparticles. The Plastic Thin Film segment produces multi-layer thin film manufacturing equipment. The company was founded by Eiichi Hosokawa on April 18, 1916 and is headquartered in Osaka, Japan.

Ningxia Tiandi Benniu Industrial Group Co., Ltd., established on 1998-12-10, Business scope includes licensed projects:Catering Services;accommodation service;Import and export of goods managed by state trade(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)General project:Mining machinery manufacturing;Mining Machinery Sales;Special Equipment Sales;Sales of micro motors and components;Micro motor and component manufacturing;Coal and product sales;Metal Material Sales;Chemical product sales(No licensed chemical products);Electrical Equipment Sales;Metal Products Sales;Sales of non-metallic minerals and products;metal tool making;Metal Tool Sales;mold making;Mold Sales;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;General merchandise sales;General Equipment Repair;Special Equipment Repair;Machinery and Equipment Leasing;Non-residential real estate leases;property management;Activities supporting rail transport;Domestic Freight Forwarding;General machinery and equipment installation services;Mechanical equipment research and development;Mechanical Parts,Parts processing;Metal surface treatment and heat treatment;trade broker;Domestic trade agent(Except for licensed business,Can independently operate projects that are not prohibited or restricted by laws and regulations)

Maanshan Iron & Steel Co., Ltd. engages in the manufacture and sale of iron and steel products. It operates through the Production and Sale of Iron and Steel Products and Related By-Products; and Financial Service segments. The Production and Sale of Iron and Steel Products and Related By-Products segment involves the firm and its subsidiaries except Masteel Financial. The Financial Service segment consists of Masteel Financial. Its products include the steel plates, steel section, wire rods, and train wheels. The company was founded on September 1, 1993 and is headquartered in Ma'anshan, China.

Part of Panhua Group Co. Ltd, Chongqing Wanda Sheet Co., Ltd. is a Chinese company located in Chongqing that operates blast furnaces and steel mills.

Changhang Group Wuhu Jiangdong Shipyard Co., Ltd., established on 1982-07-20, The scope of business includes captains greater than220mor light ship weight greater than12000tOr the total power of the host is greater than12000kwsteel general ship production;Marine products for ships such as deck machinery,steel structure manufacturing;Raw and auxiliary materials required for production,Equipment,Import of spare parts and related technologies;ship export;Manage the guest house of this unit,Dining room(guest House,Restaurants are limited to affiliated branches);Wholesale and retail of compressed and hydraulic gases.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)***

Sichuan Saier Valve Manufacturing Co., Ltd., established on 2005-02-21, Business scope includes design,manufacture,Sales,repair:High, medium and low pressure valves,valve actuator,General mechanical products such as water pumps;Sales:steel,flange,Elbow,pipe fittings,fastener,metal seal,Special equipment for oil drilling,electronics;The company produces its own mechanical and electrical products,Export business of complete sets of equipment and related technologies;Machining;Provide technical advice,Technical Services;Operate the production of the enterprise,Raw and auxiliary materials required for scientific research,Equipment,Instrumentation,spare parts,Import business of spare parts and technology(a state-mandated,Except for second-class imported goods,The above business scope does not include national laws and regulations,Projects requiring pre-approval or licensing as required by laws and regulations)(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)*

Pearl River Pipe Industry Group (Jiangmen) Co., Ltd., established on 2010-03-25, Business scope includes general items:Sales of building materials;Sales of lightweight building materials;Sales of building waterproof membrane products;Metal fittings for construction sales;Metal material manufacturing;metal tool making;Manufacturing of metal packaging containers and materials;Manufacturing of metal fittings for construction;Safety,Manufacture of metal products for fire protection;Metal surface treatment and heat treatment;New material technology research and development;ferrous metal casting;Non-ferrous metal casting;Manufacture of metal signs for traffic and public administration;Manufacturing of metal chains and other metal products;Production of bearing steel products;container manufacturing;Fabrication of Metal Structures;Building Decoration,Manufacture of plumbing parts and other metal products for construction;Manufacturing of thermal and acoustic insulation materials;Manufacture of building waterproofing membrane products;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Refractory production;Manufacture of new building materials(Free of Hazardous Chemicals);Manufacturing of lightweight building materials;Manufacture of non-metallic mineral products;Sales of building decoration materials;Sales of metal wire rope and its products;Sales of metal chains and other metal products;Metal Structure Sales;Thermal and acoustic insulation sales;Sales of non-metallic minerals and products;New material technology promotion service;Metal Material Sales;Sales of high-quality special steel materials;Sales of new metal functional materials;Sales of steel products for construction;Sales of fire blocking materials;Wholesale of hardware products;Refractory Sales;Metal Products Sales;Fire Equipment Sales;Domestic trade agent;R&D of metal products;sales agent;electric wire,cable management;Sales of Surface Functional Materials;Sales of engineering plastics and synthetic resins;Seal Sales;Sales of metal matrix composites and ceramic matrix composites;Sales of metal packaging containers and materials;Sales of signage for traffic and public administration;Security equipment sales;Metal Tool Sales;Mechanical equipment research and development.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)