Key Bellevilles, Inc
Leechburg, Pennsylvania, United States
Key Bellevilles, Inc
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Largest Manufacturer of Disc Springs in The World.
About Key Bellevilles, Inc
Founded in 1967, Key Bellevilles Inc. has been committed to delivering high-quality products and exceptional service for over five decades. Headquartered in Leechburg, Pennsylvania—just 25 miles northeast of Pittsburgh—our facilities span over 200 acres, including an 88,000 sq. ft. manufacturing plant equipped with advanced machinery and cutting-edge technology.
Our mission is simple: to manufacture and distribute premium Belleville disc springs that meet the toughest demands across industries.
Often known by many names—Bellevilles, Belleville washers, disc springs, conical springs, cupped springs, and more—our springs are essential components in thousands of applications, including:
- Aerospace
- Construction
- Oil & gas drilling
- Power generation
- Refineries
- And many more