Mac Cal is a vertically integrated manufacturing company that started as a label and overlay maker for the defense and aerospace industries and has since expanded into precision sheet metal fabrication, machining, welding, painting, and silk-screening. Headquartered in San Jose with additional facilities in Los Angeles, Austin, and Seattle, the company provides end-to-end solutions covering everything from design and engineering to final assembly. Mac Cal serves a wide range of industries, including biomedical, medical robotics, clean energy, healthcare, semiconductors, and transportation. With certifications such as ISO 9001, ISO 13485, and ITAR compliance, it upholds the highest quality standards and operates under a strict conflict minerals policy. Its vertically integrated approach ensures full production control, reduced reliance on external suppliers, improved lead times, and cost stability. Backed by advanced equipment, clean-room assembly capabilities, and a commitment to its core values of People, Service, Quality, and Speed, Mac Cal is a trusted partner for clients seeking precision, innovation, and dependable manufacturing solutions.