Tenaris S.A., together with its subsidiaries, manufactures and distributes steel pipes for the energy industry and other industrial applications in North America, South America, Europe, the Middle East and Africa, and the Asia Pacific. The company offers steel casings to sustain the walls of oil and gas wells during and after drilling; steel tubing for conducting crude oil and natural gas to the surface after drilling has been completed; steel line pipes to transport crude oil and natural gas from wells to refineries, storage tanks and loading and distribution centers; and mechanical and structural pipes for the transportation of other forms of gas and liquids under high pressure. It also provides cold-drawn pipes for use in boilers, superheaters, condensers, heat exchangers, automobile production, and other industrial applications; premium joints and couplings for use in high temperature or high pressure environments under the TenarisHydril, Atlas Bradford, Ultra, and TORQ brands; coiled tubing is used for oil and gas drilling and well workovers and for subsea pipelines; and sucker rods used in oil extraction activities, tubes used for plumbing and construction applications, oilfield / hydraulic fracturing services, and coating services. In addition, the company engages in the development, management, and licensing of intellectual property. Tenaris S.A. was incorporated in 2001 and is based in Luxembourg City, Luxembourg. Tenaris S.A. operates as a subsidiary of Techint Holdings S.à r.l.

Zurn Elkay Water Solutions Corporation engages in design, procurement, manufacture, and marketing of water management solutions in the United States, Canada, and internationally. It offers water safety and control products, such as backflow preventers, fire system valves, pressure reducing valves, thermostatic mixing valves, PEX pipings, fittings, and installation tools under the Zurn and Wilkins brand names. The company also provides flow systems products comprising point drains, hydrants, fixture carrier systems, chemical drainage systems; and interceptors and separators, acid neutralization systems, and remote monitoring systems under the Zurn and Green Turtle brands. In addition, it develops, manufactures, and markets remote tank monitoring devices, alarms, software, and services. Further, the company offers sensor-operated flush valves under the AquaSense, Aquaflush, and AquaVantage brands; heavy-duty commercial faucets under the AquaSpec brand; water conserving fixtures under the EcoVantage and Zurn One brands; stainless steel products under the Just Manufacturing brand name, which include stainless steel sinks and plumbing fixtures, and various types of sinks, as well as drinking water dispensing and filtration products under the Elkay and Halsey Taylor brands. It distributes to institutional, commercial, waterworks, and residential end markets through independent sales representatives, plumbing wholesalers, and industry-specific distributors in the waterworks, foodservice, industrial, janitorial, sanitation, and sitework industries. The company was formerly known as Zurn Water Solutions Corporation and changed its name to Zurn Elkay Water Solutions Corporation in July 2022. Zurn Elkay Water Solutions Corporation was incorporated in 1892 and is headquartered in Milwaukee, Wisconsin.

Universal Stainless & Alloy Products, Inc., together with its subsidiaries, manufactures and markets semi-finished and finished specialty steel products in the United States and internationally. Its products include stainless steel, nickel alloys, tool steel, and various other alloyed steels. The company offers semi-finished and finished long products in the form of ingots, billets, and bars; flat rolled products, such as slabs and plates; and customized shapes primarily for original equipment manufacturers, which are cold rolled from purchased coiled strip, flat bar, or extruded bar. It also offers conversion services on materials supplied by its customers. The company's products are used in aerospace, power generation, oil and gas, heavy equipment, and general industrial markets. It sells its products to service centers, forgers, rerollers, and original equipment manufacturers. The company was incorporated in 1994 and is headquartered in Bridgeville, Pennsylvania.

ZKH Group Limited develops and operates a maintenance, repair, and operating (MRO) products trading and service platform that offers spare parts, chemicals, manufacturing parts, general consumables, and office supplies in the People's Republic of China. The company provides MRO procurement and management services; digitalized MRO procurement solutions; and logistics and warehousing services. It also engages in the production and sale of intelligent warehousing equipment. ZKH Group Limited was founded in 1998 and is based in Shanghai, the People's Republic of China.

Hongli Group Inc., through its subsidiaries, manufactures and sells cold roll formed steel profiles for machinery and equipment in the People's Republic of China and internationally. The company offers cold roll formed steel profile products in various forms of shapes, such as angles, bows, beams, brackets, channels, cross-members, flanges, hats, panels, plates, posts, rails, stakes, and tracks. It serves mining and excavation, construction, agriculture, and transportation industries. The company was incorporated in 2021 and is headquartered in Weifang, the People's Republic of China. Hongli Group Inc. operates as a subsidiary of Hongli Development Limited.

Li Bang International Corporation Inc. engages in the design, development, production, and sale of stainless-steel commercial kitchen equipment under the Li Bang brand in China. It offers kitchen equipment, cooking machinery, food machinery, hotel supplies, kitchen accessories, and others. The company also provides dining vans, stainless steel grease traps, kitchen waste processors, and plate recycling lines. The company was founded in 1992 and is headquartered in Jiangyin City, China. Li Bang International Corporation Inc. is a subsidiary of Maple Huang Holdings Limited.

Huadi International Group Co., Ltd. develops, manufactures, markets, and sells industrial stainless steel seamless pipes, tubes, bars, and plates in the People's Republic of China. It sells auto parts and components. The company's products are used in thermal, nuclear power plants, automotive, oil and gas, agricultural, industrial equipment, chemical engineering, and electricity sectors. It exports its products to 20 countries, including the United States, Mexico, Thailand, Australia, Argentina, Taiwan, India, the Philippines, the United Arab Emirates, Canada, and internationally. The company was founded in 1998 and is based in Wenzhou, the People's Republic of China. Huadi International Group Co., Ltd. is a subsidiary of Yongqiang Donghai Limited.

Erayak Power Solution Group Inc., through its subsidiaries, engages in the research and development, manufacture, and wholesale and retail of power solution products in China, Australia, Poland, the United Kingdom, Germany, and internationally. The company offers sine wave and off-grid inverters, inverter and gasoline generators, battery and smart chargers, and custom-designed products. Its products are used in agricultural and industrial vehicles, recreational vehicles, electrical appliances, and outdoor living products. The company also exports its products to approximately 20 countries. The company was incorporated in 2019 and is based in Wenzhou, the People's Republic of China. Erayak Power Solution Group Inc. is a subsidiary of Erayak International Limited.