From Niagara Falls, Disc & Belleville distributes disc springs and Belleville washers for engineered assemblies, with standard sizes kept in stock and custom sizes available in small runs. Its products are made to standards including DIN 2093 and DIN 6796, while specialty materials such as stainless steel, 17-7 PH and Inconel support demanding applications across heavy equipment, energy and industrial markets.
Key Bellevilles IncFamily-run since founder Robert J. Key established it in 1967, Key Bellevilles Inc. has made Leechburg, Pennsylvania, its home for more than five decades. The company is known for concentrating exclusively on Belleville disc springs, which it manufactures in the United States for customers around the world. Its 88,000-square-foot plant sits on a 200-acre site, and its quality system complies with ISO 9001 standards.LEECHBURG, PA
BelleFlex Technologies, LLCBelleFlex Technologies is a U.S.-based manufacturer with more than 100 years of combined engineering and manufacturing expertise, known for supporting demanding applications where component reliability matters. From its Pennsylvania facility, the company works directly with customers to develop Belleville disc springs and related custom parts for industries ranging from aerospace to energy, including applications on the International Space Station. BelleFlex is ISO 9001 certified and ITAR registered.332613FORD CITY, PA