Profile: Proto Plastics, Inc. is a full service supplier of injection molded OEM parts and assemblies. We offer assembly & finishing operations including sonic welding, pad printing, machining, soldering and assembly. We also offer in house mold building, design and repair. Our products include bar code readers, battery packs, handheld electronic instruments, credit card readers, retail terminals, thermal and impact printers. We are an ISO 9001:2000 certified company.