Our Locations

Eastern Catalytic Headquarters and Manufacturing 
Langhorne, Pennsylvania, US

Our headquarters in the Langhorne, PA and the surrounding area have grown to include over 218,000 square feet of office, manufacturing, and warehousing facilities.

Other Eastern manufacturing, sales, and development facilities are located in the US and around the world:

Eastern Catalytic
Development Center

Philadelphia, PA, USA

Eastern Catalytic maintains development and test facilities in the US. At these facilities we develop Direct-fit applications and diagnose new application requirements and technical issues. Our development center operates as working undercar service shop, which allows us to experience the real-world problems and concerns faced by our customers.


Tri-D Prodesa S. A
Prodesa, Mexico


Eastern Canada
Ontario, Canada

Eastern UK
London, England

Cairo, Egypt