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Founded in 1932, Cleveland’s Superior Flux & Mfg. Co. formulates and manufactures fluxes for metal joining, with products spanning soldering, brazing and welding. Its laboratory and technical staff work directly with engineers, technicians, artisans and other customers to analyze difficult-to-join components and improve their processes. The company also manufactures DeepTIG welding fluxes under agreement with Edison Welding Institute, reflecting its focus on specialized joining challenges as well as everyday production needs.
Founded by the Markovitz family in Pittsburgh in 1981, Superior Forge & Steel is a family-established manufacturer whose roll division serves metal-rolling mills from three facilities in Ohio and Pennsylvania. The company is known for producing large forged steel rolls, with after-sales personnel who visit customer plants to help assess roll performance and operating problems. Its plants are ISO 9001:2015 certified.
Founded in 1982, Superior Hardwoods of Ohio, Inc. is a four-generation, vertically integrated hardwood lumber manufacturer operating five locations in Ohio and West Virginia. It manages timber resources from forest management and harvesting through milling and kiln drying, producing more than 55 million board feet of hardwood lumber annually. The company also provides professional forestland management for landowners.
Founded in Indianapolis in 1932 as a family business, Superior Industrial Solutions has grown from a home fuel oil jobber into a chemical and composite products distributor, manufacturer, and services provider. Its nearly 300 employee-owners support customers with custom formulation and blending, technical guidance, and waste-management programs that recover much of the spent solvent they handle. Superior operates seven additional full-service facilities and is registered to ISO 9001:2015.
Founded in Albia in 1994 with one CNC lathe, Superior Machine has grown into an Iowa manufacturing and fabrication company making customer-specified parts and turnkey assemblies. The family business passed from founder Kevin Van Loon to his son Ben in 2018 and now operates from more than 330,000 square feet under roof across its Albia and Ottumwa expansion. Its quality system dates to 1997, and the company is currently identified as ISO 9001-certified.
Founded by Dale and Carolyn Manns in 1977, Superior Marine remains owned and operated by their sons, Michael, Stephen, and Matthew. The Ohio River company has grown from a barge-repair operation into a marine service yard, with its Burlington facility supporting commercial river fleets and custom vessel work.
Founded in 1997, Superior Plastics is a 100% employee-owned manufacturer based in central Ohio, where its team has grown from a 5,000-square-foot leased site into a 104,000-square-foot production operation. The company is known for custom injection molding for customers in industries such as automotive and medical, with products shipped across several continents. Its quality system is ISO 9001:2015 certified.
Founded in 1932, Superior Pneumatic & Mfg. makes industrial air tools and equipment, including air hammers, needle scalers and lock-seam tools. The Westlake, Ohio manufacturer builds its tools from heat-treated steel and aluminum rather than plastic, and supports them with written warranties, factory repair and a network of 55 authorized repair stations across the U.S. and Canada. It also works with customers on specialized applications and designs.
Superior Products, LLC is a Cleveland, Ohio manufacturer of compressed gas fittings, hose assemblies, gas manifold systems, and related equipment for industrial, medical, and specialty gas applications. The company offers custom parts and manifold gas system engineering and serves markets including welding, health care, energy and power, transportation, refining, and industrial production.
Superior Steel Stamp Co. is a Cleveland manufacturer of CNC-machined components, tooling, prototypes, marking dies, embossing dies, steel stamps, holders, and engraving products. Its capabilities include CNC milling and turning, Y-axis lathe work, sinker EDM, surface grinding, finishing, inspection, and industrial marking for automotive, aerospace, oil and gas, heavy industry, manufacturing, tool and die, rail, transportation, defense, and equipment applications.
Superior Trim manufactures interior and exterior trim products for medium- and heavy-duty trucks and other commercial vehicles. Acquired by Michael J. Gardner in 1997, the family-owned company grew from a single Findlay plant into a multinational operation; its history page reports eight facilities and more than 700 employees. Its Findlay operations include a long-standing focus on commercial-vehicle trim, with the Main plant operating since 1998.
Established in 1985, Superior Wire & Metal Specialties combines steel fabrication with custom returnable-dunnage manufacturing for industrial production lines. Its five design engineers and three sales and design representatives carry projects from concept through in-house manufacturing and delivery, creating packaging and rack solutions around the customer’s parts rather than from a catalog. The company added rack fabrication in 2001 and expanded into returnable dunnage in 2018.
SupplyOne is a North American packaging manufacturer and distributor that combines regional service with a network of packaging facilities. The company produces custom corrugated packaging and provides packaging programs intended to reduce customers’ total cost of ownership. It has grown through acquisitions of regional packaging companies since 1998.
With more than 16,000 installations across 44 countries, SupplyPro, Inc. develops point-of-use inventory management systems for MRO, safety and tooling supplies. Its configurable cabinets and dispensing equipment work with SupplyPro Intelligent Software to track usage, automate replenishment and connect inventory data with existing ERP systems. The company provides a full-service process spanning customization, installation, support and upgrades, serving demanding workplaces from manufacturing floors to aerospace and mining operations.
Founded by titanium pioneer George Esseff Sr. in 1965, Supra Alloys is a Camarillo, California, specialty-metal distributor known for its deep focus on titanium. It serves demanding aerospace, medical, and industrial customers with stocked material and value-added processing, including chemical milling. Supra Alloys is certified to ISO 9001:2015, AS 9100D, and ISO 13485:2016.
Founded in Cincinnati in 1965 as a family-owned business, Sur-Seal manufactures engineered components that solve sealing, insulation, thermal-management and protection challenges. Its custom-converting work ranges from precision gaskets to molded and extruded parts, supported by engineering services and a manufacturing network that now spans the United States, Mexico and China. Sur-Seal’s history includes making gaskets for the Apollo missions, while its combined operations now encompass more than 400,000 square feet and over 500 employees.
Since 1969, family-owned Sure Tool & Manufacturing has made close-tolerance tooling and precision products in Dayton, Ohio, taking complex work from in-house design through manufacture. Its capabilities span custom gaging, difficult multi-machine jobs, and specialty tooling, with precision grinding holding and inspecting features within ±0.00005 inch. Now a third-generation family business, Sure Tool also maintains ISO/IEC 17025:2017 accreditation for dimensional measurement and gage calibration.
Since Clarence Haas started it in Cleveland in 1979, Sure-Foot Industries has remained a family business, with its second generation now expanding the company. It manufactures anti-slip safety products for wholesale customers such as distributors, converters, and OEMs, with custom work available through its two manufacturing and sales facilities.
SuReLight LLC develops sustainable radiation-curing technology and end-use formulations, drawing on photochemistry and photophysics to help improve products across industrial applications. Based in Toledo, the company is led by Bowling Green State University Distinguished University Professor Jayaraman Sivaguru and coatings and medical-device specialist Gregory Carroll.
Since pioneering a patented heating concept in 1915, Maumee-based Surface Combustion has manufactured industrial heat-treat and thermal-processing furnaces, including its Allcase® batch integral quench system introduced in the early 1950s. The company pairs new standard and custom equipment with in-house controls, metallurgical testing, and engineering support for demanding applications such as aerospace and castings. Its long-running aftermarket operation also maintains historical drawings and bills of materials for nearly every furnace it has built, supporting repairs, rebuilds, and retrofits throughout the equipment’s service life.