Watson Bowman Acme (WBA), headquartered in Amherst, New York, develops and manufactures expansion joint systems, a specialty it has pursued for more than 60 years. Its products serve civil and commercial structures, and the company also provides technical and inspection services related to installed joints. WBA became part of Sika in May 2023.
ISO 9001:2015
AISC Certification
Advanced Thermal Systems, IncFounded in 1968 from a Buffalo garage, family-owned Advanced Thermal Systems designs and manufactures packed slip-type expansion joints and flexible ball joints for industrial piping systems in Lancaster, New York. ATS has built a particular niche in solar-field ball joints, with more than 250,000 units installed worldwide, while continuing to make every product in the USA. Its engineering team also supports customers with piping-system design and stress analysis.LANCASTER, NY
Adsco Manufacturing LLCSince 1877, Adsco Manufacturing has designed and made industrial expansion joints that accommodate thermal movement in demanding piping systems. Born from the first district heating system in Lockport, New York, Adsco’s engineers invented the expansion joint itself and still build custom slip-type and bellows solutions for industries ranging from power generation to chemical processing. The Buffalo manufacturer’s history remains closely tied to practical engineering: solving a problem in steam piping and refining that solution for modern industrial service.BUFFALO, NY
amtec North America, IncRegistered in 2013, amtec North America develops sealing-technology equipment and provides testing, engineering, and assembly services for flanged joints and valves. Its North American operation grew from an Athens, Ohio laboratory into a testing laboratory serving the U.S. sealing industry, with a particular focus on measuring bolt forces, gasket behavior, and leakage. The company also develops methods and equipment intended to improve connection reliability and reduce fugitive emissions.ATHENS, OH
Badger IndustriesBadger Industries traces its expansion-joint work to 1916 and helped establish the Expansion Joint Manufacturers Association in 1955. From its Pennsylvania manufacturing operation, the company serves demanding industrial customers with engineered metal bellows and fabric expansion joints, backed by decades of application experience and field service.ZELIENOPLE, PA