Founded 30 years ago, Orthopli Corp is one of the leading manufacturers and distributors of orthodontic products in the United States. Based in Philadelphia, Pa., its products include light wire; cutters; pliers; specialty instruments; brackets and supplies; laboratory instruments and measuring devices. The company also is a supplier of retractors, mirrors, pushers and tweezers. It serves orthodontic instruments using surgical stainless steel with box, laboratory joints and hardened alloy inserted tips. The firm caters to dentistry applications.