Howmet Aerospace Inc. provides advanced engineered solutions for the aerospace and transportation industries in the United States, Japan, France, Germany, the United Kingdom, Mexico, Italy, Canada, Poland, China, and internationally. It operates through four segments: Engine Products, Fastening Systems, Engineered Structures, and Forged Wheels. The Engine Products segment offers airfoils and seamless rolled rings primarily for aircraft engines and industrial gas turbines; and rotating and structural parts. The Fastening Systems segment produces aerospace fastening systems, as well as commercial transportation, industrial, and other fasteners; and latches, bearings, fluid fittings, and installation tools. The Engineered Structures segment provides titanium ingots and mill products, aluminum and nickel forgings, and machined components and assemblies for aerospace and defense applications; and titanium forgings, extrusions, and forming and machining services for airframe, wing, aero-engine, and landing gear components. The Forged Wheels segment offers forged aluminum wheels and related products for heavy-duty trucks and commercial transportation markets. The company was formerly known as Arconic Inc. Howmet Aerospace Inc. was founded in 1888 and is based in Pittsburgh, Pennsylvania.

ATI Inc. produces and sells specialty materials and complex components worldwide. It operates in two segments: High Performance Materials & Components (HPMC) and Advanced Alloys & Solutions (AA&S). The HPMC segment produces various materials, including titanium and titanium-based alloys, nickel- and cobalt-based alloys and superalloys, metallic powder alloys, advanced powder alloys and other specialty materials, in long product forms, such as ingot, billet, bar, rod, wire, shapes and rectangles, and seamless tubes, as well as precision forgings, components, and machined parts. The AA&S segment produces zirconium and related alloys, including hafnium and niobium, nickel-based alloys, titanium and titanium-based alloys, and specialty alloys in a variety of forms, such as plate, sheet, and precision rolled strip products. It also provides hot-rolling conversion services, including carbon steel products. ATI Inc. serves to aerospace and defense, energy, automotive, construction and mining, food equipment and appliances, and medical markets. The company was formerly known as Allegheny Technologies Incorporated. ATI Inc. was incorporated in 1996 and is headquartered in Dallas, Texas.

Commercial Metals Company manufactures, recycles, and fabricates steel and metal products, and related materials and services in the United States, Poland, China, and internationally. It operates through three segments: North America Steel Group; Europe Steel Group; and Emerging Businesses Group. The company processes and sells ferrous and nonferrous scrap metals to steel mills and foundries, aluminum sheet and ingot manufacturers, brass and bronze ingot makers, copper refineries and mills, secondary lead smelters, specialty steel mills, high temperature alloy manufacturers, and other consumers. It also manufactures and sells finished long steel products, including reinforcing bar, merchant bar, light structural, and other special sections, as well as semi-finished billets for rerolling and forging applications. In addition, the company provides fabricated rebar used to reinforce concrete primarily in the construction of commercial and non-commercial buildings, hospitals, convention centers, industrial plants, power plants, highways, bridges, arenas, stadiums, and dams; sells and rents construction-related products and equipment to concrete installers and other businesses; and manufactures and sells strength bars for the truck trailer industry, special bar steels for the energy market, and armor plates for military vehicles. Further, it manufactures rebars, merchant bars, and wire rods; and sells fabricated rebars, wire meshes, welded steel mesh, wire rod, cold rolled rebar, cold rolled wire rod, assembled rebar cages and other fabricated rebar by-products to fabricators, manufacturers, distributors, and construction companies. The company was founded in 1915 and is headquartered in Irving, Texas.

Kennametal Inc. engages in development and application of tungsten carbides, ceramics, and super-hard materials and solutions for use in metal cutting and extreme wear applications to enable customers work against corrosion and high temperatures conditions worldwide. It operates through two segments, Metal Cutting and Infrastructure. The Metal Cutting segment offers standard and custom products, including milling, hole making, turning, threading and toolmaking systems, and services, as well as specialized wear components and metallurgical powders for manufacturers engaged in various industries, such as the manufacturers of transportation vehicles and components, machine tools, and light and heavy machinery; airframes, aero engines, trucks and automobiles, ships, and various types of industrial equipment; and energy-related components for the oil and gas industry, as well as power generation. The segment provides its products under the Kennametal, WIDIA, WIDIA Hanita, and WIDIA GTD brands through its direct sales force, a network of independent and national distributors, and integrated suppliers, as well as digital channels. The Infrastructure segment produces compacts, nozzles, frac seats, and custom components used in oil and gas, and petrochemical industries; rod blanks and abrasive water jet nozzles for general industries; earth cutting tools and systems used in underground mining, trenching and foundation drilling, and road milling; tungsten carbide powders for the oil and gas, aerospace, and process industries; critical wear components, tungsten penetrators, and armor solutions for aerospace and defense; and ceramics used by the packaging industry for metallization of films and papers. This segment offers its products primarily under the Kennametal brand through direct sales force and distributors. The company was founded in 1938 and is based in Pittsburgh, Pennsylvania.

Metallus Inc. manufactures and sells alloy steel, and carbon and micro-alloy steel products in the United States and internationally. The company offers special bar quality (SBQ) bars, seamless mechanical tubes, precision steel components, and billets that are used in gears, hubs, axles, crankshafts and motor shafts, oil country drill pipes, bits and collars, bearing races and rolling elements, bushings, fuel injectors, wind energy shafts, anti-friction bearings, artillery and mortar bodies, and other applications. It also provides custom-make precision steel components. It offers its products and services to the automotive, energy, industrial equipment, mining, construction, rail, aerospace and defense, heavy truck, agriculture, and power generation sectors. The company was formerly known as TimkenSteel Corporation and changed its name to Metallus Inc. in February 2024. Metallus Inc. was founded in 1899 and is headquartered in Canton, Ohio.

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.

Ampco-Pittsburgh Corporation, together with its subsidiaries, engages in manufacture and sale of specialty metal products and customized equipment to commercial and industrial users worldwide. The company operates through Forged and Cast Engineered Products (FCEP); and Air and Liquid Processing (ALP) segments. The FCEP segment produces forged hardened steel rolls, cast rolls and, forged engineered products that are used in cold rolling mills by producers of steel, aluminum, and other metals; cast rolls for hot strip mills, medium/heavy section mills, roughing mills, and plate mills; and forged engineered products for narrow and wide strip and aluminum mills, back-up rolls for narrow strip mills, and leveling rolls and shafts. The ALP segment produces custom-engineered finned tube heat exchange coils and related heat transfer products for various industries, including OEM/commercial, nuclear power generation, and industrial manufacturing; custom-designed air handling systems for institutional, pharmaceutical, and general industrial building markets; and manufacture centrifugal pumps for the fossil fueled power generation, marine defense, and industrial refrigeration industries. Ampco-Pittsburgh Corporation was incorporated in 1929 and is headquartered in Carnegie, Pennsylvania.

TechPrecision Corporation, together with its subsidiaries, manufactures and sells precision, fabricated, and machined metal structural components and systems in the United States. It operates through two segments, Ranor and Stadco. The company offers custom components for ships, submarines, military helicopters, aerospace equipment, components for nuclear power plants, and components for medical systems. It also provides support services to its manufacturing capabilities comprising manufacturing engineering comprising planning, fixture and tooling development, and manufacturing; quality control, such as inspection and testing; materials procurement; production control, including scheduling, project management, and expediting; and final assembly. The company serves the defense, aerospace, nuclear, medical, and precision industrial markets. TechPrecision Corporation is headquartered in Westminster, Massachusetts.