Founded in 1961 by Richard Korchma, Mercer Spring has provided service to Tractor Trailers, Buses, Motor Homes, Pick Up Trucks, SUVís, Trailers, & Cars in NJ and Eastern PA. We Pride ourselves in quality service & parts, which has resulted in many longstanding relationships with our clients. Today the tradition carries on with Richardís son Rick, who now runs Mercer Spring along with the many dedicated employees who have helped make Mercer Spring what it is today. Get your truck back on the road with the help of Mercer Spring Corp., your source for superior truck repair in Trenton, New Jersey, since 1961. Brake repair, suspension work, front end alignment ó no job is too big or too small. From pick up trucks to Semis and RVs.