California Avionics Laboratories, known as CAL-AV Labs, Inc., has been providing quality engineering solutions since 1959. Originally established as a sole proprietorship in 1959 and later incorporated in California in 1968, the company focuses on mobile antenna and mast spring assemblies. CAL-AV Labs has a history of developing instrumentation items for test, development, and explosive testing, catering to research labs, government, industry, and university clients. While some product lines have been discontinued, their antenna spring products continue to be a core offering, with a strong emphasis on on-time delivery and customer satisfaction.