Also follow us on Twitter @OCMmfg for timely updates & industry news, pics and more. OCM Manufacturing provides OEMs with global electronics product design, manufacturing & logistics for low- to mid-volume products, as well as turnkey product development for industrial controls. Our full range of electronic contract manufacturing services provides a one-stop resource. From design engineering to electronics prototyping, design for manufacturing, test design, assembly, supply chain management and after-market support, we deliver high-quality service and a single point of contact.