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.

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.

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.

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

TRIO FOUNDRY, INC. is a company based out of 1985 AUCUTT ROAD, MONTGOMERY, Illinois, United States.

MECHANICAL & INDUSTRIAL STEEL SERVICES, INC. is a company based out of 24226 S. NORTHERN ILLINOIS DRIVE, CHANNAHON, Illinois, United States.

Nehring Electrical Works Co. is a company based out of 813 East Locust Street, DeKalb, Illinois, United States.