Key Bellevilles Inc. was founded in 1967 and is dedicated to provide unmatched products and services to our customers. Located in Leechburg, Pennsylvania (25 miles northeast of Pittsburg) Key Bellevilles Inc. Headquarters stretches over 200 acres. At this site, Key Bellevilles operates a manufacturing facility with over 87,000 square feet of state of the art equipment and technology.

Our mission is to manufacture and distribute quality belleville disc springs. Belleville disc springs are referred to by many names including some of the following; bellevilles, belleville disc springs, belleville springs,belleville washers, conical springs, conical disc springs, cupped springs, disc springs, and disk springs. Belleville washers are used in thousands of applications related to aerospace, construction, drilling, refineries, power plants, etc..

Largest finished inventory in the world – no waiting on a production schedule
Largest raw inventory in the world – no waiting on materials
Quick delivery – majority of orders ship out same or next business day
24 hour emergency service support
Personalized design support provided by our engineering staff
Custom built proprietary design software including Excel-based applications to help you in your design
We are the largest manufacturer of belleville springs also known as belleville washers in the world!

Grow a career in manufacturing or gain some experience over summer! We are always hiring qualified applicants! No lay offs in over 50 years!