Hammond Group is focused on serving the world's battery industry and enabling lead-acid chemistry for advanced energy storage applications including renewable energy and automotive electrification. As a global manufacturer of technically supported battery oxides, red leads, expanders, and other specialty chemicals, Hammond brings 90 years of experience in service to automotive, industrial, and telecom battery manufacturers.

HA International (HAI) is a wholly owned subsidiary of Hüttenes-Albertus and serves the North American foundry industry as the largest supplier of products for core/mold production. Our Mission is to develop, produce and market high quality and technically superior foundry products and services for the North American metal casting industry, while operating in an environmentally responsible manner, providing a safe and rewarding workplace for our employees and profitable growth for our shareholders. Our Products HAI offers the North American foundries a comprehensive range of products supported in three main market segments: Resin Systems for bonding sand; Resin Coated Sand (RCS) for the shell process; and Refractory Coatings. Along with a robust offering under those segments, HAI carries a line of companion and auxiliary products to perfectly compliment your foundry operations, and Wedron Flux, a line of a metal treatment products that result in a cleaner, stronger casting alloy for your facility. Our Services In addition to a robust product offering, HAI offers a variety of services designed to maximize the performance of our products with our customers operations. Our Technical Service team is second to none in the industry, they are highly skilled and very experienced in the industry. As an example of HAI’s commitment to sustainability in the industry, we offer HARP, HAI amine reclamation program. This program provides a cost efficient and environmentally friendly outlet to foundries to manage their amine emissions and waste streams associated to phenolic urethane cold box operations.

Maruichi Leavitt Pipe & Tube has been manufacturing quality steel tubing products for 65 years. Headquartered in Chicago, IL, our 44 acre campus includes two facilities with manufacturing, warehouse, and office space. Maruichi Leavitt is an industry leader with one of the broadest size ranges offering: ASTM A500 Structural Tubing (Steel HSS) ASTM A513 Mechanical Tubing HI-Y 50 Structural Pipe Size Tubing ASTM A53 Standard Pipe Maruichi Leavitt is known throughout the industry as "The Tube People"​. Our employees pride themselves on providing quality tubing and unparalleled customer service. And with our commitment to "Investment, Innovation, Integrity"​ Maruichi Leavitt will remain an industry leader for generations to come.

O&k is a Japanese owned leading re-manufacturer of cold heading quality steel wires and other secondary steel products for both domestic and overseas automotive markets. O&k has reached the position as an industry leader by developing both process and quality control methods and a unique, automated production line control system. Even though we are a leader, we are never satisfied with our current situation and urge ourselves every day to reach the next step of success. We understand that, as a manufacturer, we need to have flexible ideas and fluid performance to respond to the diversified needs of our customers. We accomplish this by combining our state of the art technology with our commitment to quality. With our goal of manufacturing the ultimate quality wire, we strive to have the best manufacturing facilities while making a contribution to society. Culture At O&K, we recognize the hard work and dedication of our Team Members as the driving force behind our success. Our Team Members enjoy competitive pay and benefits, along with a positive work environment built on mutual respect and professionalism.

Aurora Metals offers the maximum combination of advance manufacturing facilities with professional engineering services at the leading edge of modern technology in precision cast components.

Trialco is a Primary and Secondary Aluminum Alloy Producer. We excel in the manufacturing of ALL aluminum casting alloys, in both ingot and sows. Trialco serves the United States, Canada, Mexico and all points around the globe. Trialco takes pride in the ability to produce high quality, clean, specification aluminum alloy.

Chicago Magnesium is focused on exceeding customer expectations through on-time delivery and quality. The parts produced are highly complex with 0 to 80 internal cores. These characteristics have led Chicago Magnesium to be an industry leader in complex aluminum and magnesium sand casting.

ARBON STEEL AND SERVICE COMPANY, INC. is a company based out of 2355 BOND STREET, UNIVERSITY PARK, Illinois, United States.

US manufacturer of welding and material handling systems for heavy industries including: ship building, tank manufacturing and heavy fabrication. Company has a world wide customer base from Europe the Middle East, Asia, South and North America. Equipment is designed and built in US with mechanical and control systems built to handle the very rigorous requirements of heavy industry.

Full-service steel service center; specializing in the production of precision re-squared blanks, leveled sheets, and slit coil; shearing, leveling, and slitting; 20,000+ ton inventory of Cold Rolled, Hot Rolled Pickled & Oiled, Electro-Galvanized, Galvanized, Galvannealed, and Long Terne; 55,000+ ton production capacity utilizing fully-automatic precision blanking and slitting equipment; ISO 9001:2015 Certified; highly experienced, knowledgeable, and proactive organization; steel processing leader serving North American manufacturers throughout numerous industries since 1952.

T&B Tube specializes in manufacturing cut to length steel tube for a variety of applications and customers that include point of purchase displays, outdoor products, tube fabricators, and various other OEMs. Our four tube mills and five high speed recut machines enable us to deliver steel tube quickly and reliably.