With more than 130 years of history, Ecovyst produces sulfur-based chemicals and provides sulfuric acid regeneration and treatment services for industries including refining, mining and water treatment. Its family of brands extends from specialty-grade sulfuric acid to sulfur dioxide solutions and Chem32’s proprietary THIOCAT® catalyst sulfiding technology. The company operates a seven-site North American network and maintains certifications including ISO 9001, ISO 14001 and RC14001®:2023.
ISO 14001:2015
RC 14001:2023
ISO 9001
NexperaNexpera is an industrial chemistry company with a heritage tracing to Grasselli Chemical Co., which began manufacturing sulfuric acid in the 1870s. It produces sulfur-based products and provides regeneration services, including recovery of sulfuric acid and potassium hydroxide from industrial streams. The company says its expertise and assets have served industries across North America for more than a century.TAMAQUA, PA
Chemtrade Logistics IncChemtrade Logistics Inc. manufactures and markets industrial chemicals through three business segments: Water Solutions, Acid & Sulphur Products, and Electrochemicals. Founded in 2001, the company operates more than 60 locations and approximately 65 production facilities across North America, with an additional facility in Brazil. Its products support industries ranging from water treatment and food production to pulp and paper and semiconductor manufacturing.SYRACUSE, NY
Crown Technology, IncFamily-owned and operated since 1946, Indianapolis-based Crown Technology formulates and manufactures specialty chemicals for steel processing and other industrial applications. The company grew from Harry L. Peterson’s small basement operation into an 85,000-square-foot facility now guided by three generations of the Peterson family. Crown is also the only U.S. manufacturer of food-grade ferrous sulfate and operates a patented acid-recovery system installed at more than 80 locations worldwide.VENETIA, PA
Bruno Bock Holding GmbH & Co. KGFounded as a family business in 1937, Bruno Bock develops and manufactures organosulfur specialty chemicals and tailored specialty-chemical solutions from its headquarters in Marschacht, Germany. The group’s roots in sulfur chemistry include a Marschacht site opened in the late 1960s and a Waterloo, New York, production operation running since the 1940s, while its international network serves customers in more than 40 countries. Bruno Bock employs about 250 people and also develops epoxy components and related solutions at its Budapest site.WATERLOO, NY