Dover Chemical Corporation has been delivering specialty chemical solutions since 1950, building its reputation around chemistry that works in real manufacturing conditions rather than only in the laboratory. The company serves manufacturers and formulators as a practical technical partner, helping them address performance challenges from development through commercial production.
ISO 9001
Responsible Care®
Compliance program
DoberFounded by John F. Dobrez in 1957, Dober develops and manufactures specialty chemicals, operations software, and automation solutions for difficult industrial problems. Now a third-generation family business with more than 3,000 customers, it is especially known for coolant additives and its science-led corrosion technology, while also applying its formulation expertise to water treatment and critical cleaning. Dober operates 12 manufacturing locations across the United States, Europe, Asia, and Chile.HAZLETON, PA
Valtech CorporationFor more than 30 years, Valtech Corporation has built its name as a global specialty-chemicals manufacturer serving demanding high-tech production environments. Its Valtron® products are developed with customers and refined by the company’s sales engineers and chemists for specific manufacturing problems, rather than treated as one-size-fits-all materials. Valtech operates manufacturing, research, and international locations to support customers around the world.POTTSTOWN, PA
DuBois ChemicalsDuBois Chemicals is a specialty chemical supplier and manufacturer that combines chemical products with equipment, process knowledge, and local technical service. For more than 100 years, the company has served industrial and other target markets, with manufacturing and warehouse operations across North America. Its work includes packaging and briquetting soda ash and making custom material-handling carts.HAMILTON, OH
Chemical Concepts IncFamily-owned Chemical Concepts was founded in Philadelphia in 1960 by D-Day veteran C. Kenneth Zelle and his wife, Lois. The company has grown from selling pumps and dispensing equipment into a business-to-business partner that helps manufacturers overcome difficult bonding challenges through technical guidance and sourcing support. It serves manufacturers worldwide and also develops its own Chem-Set products for specific industry needs.424690HUNTINGDON VALLEY, PA