Rudolph Bros. & Co. has been a distributor of compounded specialty epoxies, urethanes, silicones, acrylics, thermoplastic adhesives, conformal coatings, casting and encapsulating compounds serving Electrical/Electronic, Automotive, Aerospace, Heavy Truck, Bus and Rail original equipment manufacturers. In March of 1998 Rudolph Bros. became one of first distributors in the USA to become registered to the Automotive Quality Standard QS9000. The company has since been registered to current revision of ISO 9001 and in 2006 the Aerospace Quality System AS9120A for Stockists. In 2006 Rudolph Bros. & Co. achieved SHARP (Safety and Health Achievement Recognition Program) certification from the Occupational Safety and Health Administration.