The Zirconium Oxide Expert • Worldwide Zirconium Oxide, Zirconia Powder, Zycron or ZrO2 and Aluminum Oxide, Alumina or Al2O3. Regardless of the Name, Zircoa is the Source for High Quality, Innovative Products. We believe in a quality product and service.

Since the early 1900s, Knight Material Technologies has grown to be one of the world’s largest ceramic mass transfer and acid-proof equipment manufacturers. A leader in acid-proof solutions and corrosion solutions, Knight Material Technologies (KMT) holds capabilities in construction, engineering, and services by working with state-of-the-art ceramics and plastic materials. KMT’s products and services are available worldwide through a global network of manufacturing and outsourcing ceramic and plastic facilities focusing on responsive, customer-focused results. The company prides itself on being there when customers need customized solutions. Whether it is a revamp or new construction, KMT will assist you with every step to ensure speedy completion and successful results from start to finish. Knight Material Technologies was previously known as Koch Knight and part of Koch Engineered Solutions. In December of 2021, Koch Knight became Knight Material Technologies after a divestiture to Hill Street Capital. The new company has expanded its innovative solutions, services and infrastructure to meet a growing market.

Ironrock manufactures Metropolitan Ceramics® quarry tile, Down to Earth® textured quarry tile and METROBRICK® architectural thin brick.

Consolidated Glass Corporation is a fifth generation, family owned, glass fabrication facility. We provide high quality tempered glass to all commercial glass markets, including: shower doors, glass hand rains, store fixtures and more!

EGC Enterprises has pioneered the use of flexible graphite in fluid sealing and thermal management applications for high heat, high pressure and high stakes applications. We have over 30 years of experience serving some of the world’s most recognized companies in aerospace, transportation, power generation and commercial applications. And that experience makes us a very quick study when it comes to finding fast solutions to virtually any need.

For more than 50 years, Orrville Trucking & Grading has served the Wayne, Holmes, Ashland, Stark, and Summit county areas. Our commitment is to deliver the best quality products to your job site in a timely manner. We use the latest technologies to improve both our production and delivery times.

The Bowerston Shale Company is a company based out of 515 Main Street, Bowerston, Ohio, United States.

The Akron Porcelain and Plastics Company is a plastics company based out of 2739 Cory Avenue, Akron, Ohio, United States.

Superior Clay Corporation produces and designs components for masonry fireplaces in a complete range of styles and sizes. Superior Clay provides complete technical support. Our products are hand crafted with a passionate attention to detail, and our service and support are what you might expect from a trusted friend. Superior Clay manufactures quality handcrafted clay products used in custom fireplaces, wood-fired ovens and other ornamental, architectural products.

Carr Brothers & Sons Inc., located in Albion, Michigan, is Southern Michigan’s trusted gravel and excavation contractor and construction supply distributer. Carr Brothers supplies material for contractors all over the South Central Michigan area, keeping quality of product and of service to the highest standards. A wide array of services are offered, and our team of highly qualified employees pay exceptional attention to detail for high quality workmanship and final product.

Superior Clay Corporation produces and designs components for masonry fireplaces in a complete range of styles and sizes. Superior Clay provides complete technical support. Our products are hand crafted with a passionate attention to detail, and our service and support are what you might expect from a trusted friend. Superior Clay manufactures quality handcrafted clay products used in custom fireplaces, wood-fired ovens and other ornamental, architectural products.

From its humble beginnings in 1912, the modern day Summitville Tiles has reached out beyond the boundaries of the tiny little Ohio village for which it was named to become a leading force in the American ceramic tile industry. In the face of unprecedented global competition, Summitville is the only charter member of the tile industry's national trade association to remain in business. When high traffic areas, chemicals, acids, oils and daily cleaning with harsh detergents are involved, Summitville Tiles is the dependable choice. Summitville Tiles'​ tile are extruded to provide uniform density, strength and rugged performance in high-traffic areas. Summitville is the only company that manufactures, both the tile and the installation materials necessary for completing the job, offering a turnkey system from a single source with a proven reputation of quality and performance. From chemical resistant membranes to custom blended epoxies Summitville's products have produced results that reach far beyond the most demanding expectations. Summitville's centennial anniversary was a tribute not only to a century of corporate endurance, but to the hundreds employees and thousands of customers that have contributed to its success in so many ways all of these years.