Through continuous innovation and industry-leading technology, SunCoke Energy has become the largest independent producer of high-quality metallurgical coke in the Americas and has over 45 years of metallurgical coke production experience. We are internationally recognized as a leading provider of heat recovery cokemaking technology that meets or exceeds applicable environmental standards and that produces some of the highest coke quality in the market. SunCoke Energy operates cokemaking facilities that produce over 5 million tons of metallurgical coke per year for integrated steelmakers utilizing blast furnace technology. We bring superior heat-recovery technology, capital, and people to make the best coke in the market. We will build, own, and operate a coke plant with clients, delivering substantial benefits.

Prince Industries is a leading strategic supply chain partner for OEMs worldwide, specializing in precision machining and sheet metal fabrication for the aerospace, defense, medical, and industrial sectors. We collaborate closely with our partners to solve complex challenges, optimize supply chains, and enhance efficiency, ensuring quality parts are delivered on time, every time. As we continue to expand our five US facilities and one global facility, we offer a broad network of capabilities, engineering support, and capacity to meet the needs of our partners.

Allied-Locke Industries was established in 1965. The Environmental Products Division has been in the potable & waste water rectangular clarifier industry for over 8 years supplying metallic and non-metallic systems to Potable & Waste Water treatment plants in such places as New York City, Chicago, and Los Angeles along with a long list of smaller municipalities. Allied-Locke Industries was founded as Allied Chains, Inc. specializing in steel detachable chains for the agricultural market. In 1978 Allied Chains purchased Locke Steel Chain Co. and became Allied-Locke Industries. This expanded the offerings of chains in the agricultural market. After purchasing such companies as the Moline Corporation in 1992 and Sheldon Engineering, Inc in 1997 the industrial chain offerings, such as collector and drive chains, grew. With the variety of product and the purchasing of key companies, including most recently Brewton Ironworks, this family owned company has grown to one of the top suppliers of chain in the United States. Allied-Locke’s Environmental Products is the beneficiary of the long term manufacturing and engineering expertise of 40 plus years of business

The Toyal Group is a global manufacturer of specialty aluminum powders, aluminum pigments, and special effect pigments with end uses across a broad spectrum of niche businesses from automotive and industrial coatings to aerospace, electronics, and thermal management.

Metal Master specializes in custom slit flat rolled steel. Our commitment to ship only prime steel products sourced from long standing mill relationships directly benefits our customers by reducing their inventory investment, improving product yields, and lowering labor expenses. We have strategic alliances with steel processing facilities across North America in order to better serve our customers'​ needs. In doing so, we can offer a competitive edge in today's ever changing economy. Metal Master provides a full-range of flat rolled steel products. Hot-dipped galvanized Galvalume Pre-painted Steel Tin mill products Galvannealed Hot-rolled Hot-rolled pickled and oiled Cold-rolled High Carbon

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.

NAPCO STEEL, Inc. is a company based out of 1800 Arthur Drive, West Chicago, Illinois, United States.

CONTRACT MANUFACTURING SPECIALISTS RWI Manufacturing started in 2002 as a custom metal fabricator to serve the air pollution control industry. Over the past 20 years, we have consistently invested and grown our capabilities and facilities to become a full-service manufacturer for many leading air pollution control system providers. Our extensive manufacturing experience includes scrubbers, baghouses, cyclones, duct work, ladders/platforms/stairs, silos, tanks, and more! Our services include custom metal fabrication, painting, sandblasting, powder coating, plumbing and component assembly, insulation and cladding, cold commissioning, private labeling services, leak testing, and other 3rd party testing. Through our sister company, Industrious Service Group, we offer mechanical, electrical, and civil installation services along with startup and hot commissioning. We offer fabrication services for the following metals and alloys: • Carbon Steel – A36, A588, AR400, A606 • Stainless Steel – 409, 304/304L, 316/316L • Inconel and Hastelloy • Aluminum • Structural

Craftsman Tool & Mold Company is a company based out of 2750 Church Road, Aurora, Illinois, United States.

Plymouth Tube Co. has served the steel tubing industry with continued manufacturing excellence practices and technical expertise that promotes industrial partnerships with many of their customers. Currently headquartered in suburban Chicago with 8 manufacturing mills across the U.S. and Germany, Plymouth is a global supplier of specialty carbon alloy, nickel alloy, and stainless steel tubing for mechanical, pressure, boiler, and hydraulic applications. Steel, nickel and titanium extruded and cold drawn shapes are produced by Plymouth Engineered Shapes. As an award-winning manufacturer, Plymouth is well positioned for continued global growth by supplying the aerospace, transportation, energy, and industrial markets

Elba Tool Co is a machinery company based out of 220 Covington Dr, Bloomingdale, IL, United States.

Amtec Precision Products has 50+ years of experience in manufacturing precision machined components in the Midwest. At Amtec Precision Products, we pride ourselves on our high volume manufacturing and assembly processes, which are designed to achieve highest quality standards while maximizing production efficiency. Our machining capabilities include close tolerance CNC, Hydromat, Screw machines, Spline Rolling, Grinding and a host of secondary operations. AMTEC is a certified MBE enterprise (certified by CMSDC) .We are a ISO/TS 16949 Certified and ISO 14001 certified Company. We are also Ford Q1 certified.