A & J Manufacturing Company Inc.

A & J Manufacturing Company Inc. is a woman-owned, family-operated manufacturer specializing in high-performance electronic equipment racks and enclosures. Founded in 1953 and based in Foothill Ranch, California, the company operates a 45,190 sq. ft. facility that integrates fabrication, assembly, and engineering services. They serve critical sectors including Military & Defense, Aerospace, Research & Testing, and Renewable Energy, acting as an engineering partner for major clients such as Lockheed Martin, Northrop Grumman, and the U.S. Government. The company provides both Commercial-Off-The-Shelf (COTS) and custom-designed solutions, including standard electronic racks, console systems, workstations, and ruggedized aluminum enclosures. Their proprietary all-bolted construction and aluminum extrusions are engineered to meet stringent military specifications, including MIL-S-901D for shock, MIL-STD-167-1 for vibration, and MIL-STD-461 for EMI/RFI shielding. In addition to primary enclosures, A & J Manufacturing offers a comprehensive range of accessories and installation kits, such as rackmount cooling and thermal management systems, power management kits, EMI-honeycomb filter kits, and isolator assembly kits. With AS9100D and ISO 9001:2015 certifications, the company maintains a robust Quality Management System focused on continuous improvement and lean principles. They provide full-service support from initial design and non-recurring engineering to final assembly and quality assurance.