Harold G. Jones Company

Clark Testing has been providing product qualification testing and design verification for manufactures for over 50 years. We provide our clients with independent, objective, and competitively priced solutions to their testing needs. You will find that we are dedicated to delivering premium value to clients through superior technical expertise, advanced technology, and a deeply felt commitment to customer satisfaction. Our experience and dedication to testing helps assure that our customers in industries around the world qualify their products in an efficient manner. Clark’s comprehensive catalog of testing services provides a foundation for our commitment to product quality. We look forward to providing that service to you.

Founded in 1966, Extrude Hone Corporation is one of the leading developers and suppliers of advanced manufacturing and machine tools for deburring, polishing and surface finishing purposes in the United States. The company offers engineered finishing solutions for the automotive, aerospace, fluid power, food processing, medical, and mold and die industries. It provides deburring and deflashing services for a variety of metals, such as aluminum, stainless steel, zinc, brass, cast iron and titanium. Extrude Hone Corporation provides surface finishing services for fuel injection systems, transmission components, screw machine parts, and pneumatic valves and pumps. The company processes high-pressure fuel injection systems used in tractors, construction equipment, buses, cars, yachts and ships.