From its Cologne headquarters, LANXESS develops, manufactures and markets specialty chemicals, including intermediates, additives and consumer-protection products. The global group operates in 32 countries with about 11,500 employees, while its Rhein Chemie business is particularly known for rubber additives used to turn raw rubber into high-performance tires, seals and drive belts. LANXESS also provides custom manufacturing through its Saltigo subsidiary, producing active ingredients and intermediates at facilities in Leverkusen and Dormagen.
LANXESSHeadquartered in Cologne, LANXESS is a global specialty chemicals company that develops, manufactures and sells plastics, specialty chemicals and intermediates. Its Saltigo subsidiary handles custom chemical manufacturing from process scouting through pilot production and full-scale manufacture, with German production sites in Leverkusen and Dormagen. LANXESS operates with about 11,500 employees across 32 countries, while Saltigo’s production follows ISO 9001, ISO 14001 and ISO 50001 standards.PITTSBURGH, PA
FlexsysBorn from tire-additive technology that dates to 1944, Flexsys makes specialty chemicals that help tires and other rubber products last longer, perform better and run more efficiently. Based in Akron, Ohio, the company operates seven manufacturing facilities and technology centers across four continents, combining global production with customer-focused technical support. All of its manufacturing sites are ISO 9001:2015 certified, and Flexsys received a Platinum EcoVadis sustainability rating in 2025.AKRON, OH
SI GroupWith roots in varnish and rubber dating to the 1890s, SI Group has spent more than a century developing chemistry for industrial manufacturers. Today, its approximately 1,500 employees work across 18 manufacturing sites to supply performance additives and related chemical solutions to customers in more than 80 countries.SCHENECTADY, NY
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