General Info

Founded in 1941, L.E. Jones Company is one of the world's largest producers of full-service heavy-duty valve seat inserts. The company provides a variety of cast, wrought and powdered metal valve seat inserts. Its products help to maintain cylinder compression for engine operation. L.E. Jones Company offers exhaust and intake valve inserts for various companies, including Caterpillar and Cummins. The company s fully equipped metrology laboratory performs layout and dimensional analysis. Its design assistance section features systems for computer-aided design and computer-aided manufacturing. L.E. Jones Company s inventory of induction-melting furnace and heat-treating equipment is used by its metallurgists to produce new alloys for evaluation. The company is located in Menominee, Mich.