Honeywell International Inc. engages in the aerospace technologies, building automation, energy and sustainable solutions, and industrial automation businesses in the United States, Europe, and internationally. The company's Aerospace segment offers auxiliary power units, propulsion engines, integrated avionics, environmental control and electric power systems, engine controls, flight safety, communications, navigation hardware, data and software applications, radar and surveillance systems, aircraft lighting, advanced systems and instruments, satellite and space components, and aircraft wheels and brakes; spare parts; repair, overhaul, and maintenance services; and thermal systems, as well as wireless connectivity services. Its Honeywell Building Technologies segment provides software applications for building control and optimization; sensors, switches, control systems, and instruments for energy management; access control; video surveillance; fire products; and installation, maintenance, and upgrades of systems. The company's Performance Materials and Technologies segment offers automation control, instrumentation, and software and related services; catalysts and adsorbents, equipment, and consulting; and materials to manufacture end products, such as bullet-resistant armor, nylon, computer chips, and pharmaceutical packaging, as well as provides materials based on hydrofluoro-olefin technology. Its Safety and Productivity Solutions segment provides personal protective equipment, apparel, gear, and footwear; gas detection technology; custom-engineered sensors, switches, and controls for sensing and productivity solution; cloud-based notification and emergency messaging; mobile devices and software; custom-engineered sensors, switches, and controls; and data and asset management productivity solutions. Honeywell International Inc. was founded in 1885 and is headquartered in Charlotte, North Carolina.

HEICO Corporation, through its subsidiaries, designs, manufactures, and sells aerospace, defense, and electronic related products and services in the United States and internationally. Its Flight Support Group segment provides jet engine and aircraft component replacement parts; thermal insulation blankets and parts; renewable/reusable insulation systems; and specialty components. This segment also distributes hydraulic, pneumatic, structural, interconnect, mechanical, and electro-mechanical components for the commercial, regional, and general aviation markets; and offers repair and overhaul services for jet engine and aircraft component parts, avionics, instruments, composites, and flight surfaces of commercial aircraft, as well as for avionics and navigation systems, and other instruments utilized on military aircraft. The company's Electronic Technologies Group segment provides electro-optical infrared simulation and test equipment; electro-optical laser products; electro-optical, microwave, and other power equipment; electromagnetic and radio frequency (RF) interference shielding and suppression filters; power conversion and interface; interconnection devices; and underwater locator beacons and emergency locator transmission beacons. This segment also offers traveling wave tube amplifiers and microwave power modules; memory products and specialty semiconductors; harsh environment connectivity products and custom molded cable assemblies; RF and microwave products; communications and electronic intercept receivers and tuners; self-sealing auxiliary fuel systems; active antenna systems and airborne antennas; nuclear radiation detectors; silicone products; power amplifiers; ceramic-to-metal feedthroughs and connectors; technical surveillance countermeasures equipment; RF receivers and sources; embedded computing solutions; test sockets and adapters; and radiation assurance services. The company was incorporated in 1957 and is headquartered in Hollywood, Florida.

Lincoln Electric Holdings, Inc., through its subsidiaries, designs, develops, manufactures, and sells welding, cutting, and brazing products worldwide. The company operates through three segments: Americas Welding, International Welding, and The Harris Products Group. It offers brazing and soldering filler metals, arc welding equipment, plasma and oxyfuel cutting systems, wire feeding systems, fume control equipment, welding accessories, and specialty gas regulators, and education solutions, as well as a portfolio of automated solutions for joining, cutting, material handling, module assembly, and end of line testing, as well as involved in brazing and soldering alloys, and in the retail business in the United States. In addition, the company manufactures copper and aluminum headers, distributor assemblies, and manifolds for the heating, ventilation, and air conditioning sector in the United States and Mexico; provides specialty welding consumables, wear plates and maintenance and repair services for alloy and wear-resistant products used in mining, steel, agricultural, and industrial mill applications; and designs and manufactures robotic assembly and arc welding systems that automate the tacking and welding of steel beams. Further, the company serves general fabrication, oil and gas, power generation, process, automotive and transportation, and construction and infrastructure industries, as well as heavy fabrication, ship building, and maintenance and repair markets. It sells its products directly to users of welding products, as well as through industrial distributors, retailers, and agents. The company was founded in 1895 and is headquartered in Cleveland, Ohio.

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.

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.

Ryerson Holding Corporation, together with its subsidiaries, processes and distributes industrial metals in the United States and internationally. It offers a line of products in carbon steel, stainless steel, alloy steels, and aluminum, as well as nickel and red metals in various shapes and forms, including coils, sheets, rounds, hexagons, square and flat bars, plates, structural, and tubing. The company also provides processing services. It serves various industries, including metal fabrication and machine shops, industrial machinery and equipment, commercial ground transportation, consumer durable equipment, food processing and agricultural equipment, construction equipment, oil and gas, and HVAC manufacturing. Ryerson Holding Corporation was founded in 1842 and is headquartered in Chicago, Illinois.

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.

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.