Founded in Pennsylvania in 1996 by chemist Dr. Johnson Chen, InnoChem develops tin-plating chemistry and metalworking chemicals for steel and metal processors. The company is particularly known for pioneering methanesulfonic-acid-based tin plating and for developing processes that address acid buildup and tin replenishment, while its four-PhD research team draws on more than 8,000 proprietary formulations for customized applications. InnoChem is ISO-certified and licensed for hazardous chemical management, and established an operation in Shanghai in 2025 to serve Chinese and Asian markets.
Bulk Chemicals, IncFounded in 1974, Bulk Chemicals, Inc. is a southeastern Pennsylvania manufacturer that has spent more than 50 years developing metal pretreatment chemistry for industrial processors. Its distinctive role is as a hands-on technical partner, pairing customized solutions with laboratory support and equipment expertise for customers in metal-finishing operations around the world.READING, PA
HectrioHectrio manufactures and stocks methane sulfonic acid (MSA) salts, with custom production available for client specifications. Its distinctive stannous sulfate solution reaches 315 grams per liter—30% above the stated industry standard—while the team brings decades of MSA chemistry experience, including leadership by inorganic chemist Hy Gillman, who has worked in the field since the 1970s. The company is ISO 9001 certified.POTTSTOWN, PA
Power Chemical CorporationFrom its Gallatin, Tennessee headquarters, Power Chemical Corporation custom-formulates and manufactures metal-working and industrial cleaning chemistries. Its products are tailored to customers’ process conditions and end-product requirements, with a broad focus on metal cleaning and plant-operation cleaning. The company also highlights flexible lead times and an efficient manufacturing operation, while its formulation chemists develop customized solutions beyond its standard product portfolio.BRONX, NY
The Shepherd Chemical CompanyFounded in 1916 by Lee Shepherd, The Shepherd Chemical Company develops and manufactures metal-based specialty chemistry, working with customers from initial concept through commercial production. Still shaped by fifth-generation Shepherd family members, the Norwood-based company has spent more than a century turning metal chemistry into solutions used in technologies ranging from airbag safety to sustainable industrial processes. Shepherd holds ISO 9001:2015 certification and participates in the American Chemistry Council’s Responsible Care® Management System.CINCINNATI, OH