Multi-Tech Industries, Inc. is a custom manufacturer specializing in rotary switches, strain reliefs, and ground fault detectors. Established in 1969, the company offers proprietary and custom-made products to meet customer specifications. They acquired the product line of Radio Switch Corporation in 1992, focusing on high voltage power rotary switches. Multi-Tech Industries also provides Gripmaster strain reliefs for the small appliance and lighting industry, along with ground fault analyzers like the Model 760. Additionally, they offer sub-contracting and custom manufacturing services, including short-run tooling, machined components, assembly, soldering, and brazing capabilities with fast turnaround times.