The EF Precision Group

EFPG is a consultative manufacturing partner delivering far more than machining—we help customers bring ideas to life. From complex, tight-tolerance CNC machining to electromechanical assembly and fully custom equipment built from concept or print, we combine engineering expertise with true problem-solving collaboration. Our capabilities include full design support and concurrent engineering, ensuring performance, manufacturability, and cost efficiency. Since 1977, our 65,000 sq. ft. facility in Willow Grove, PA has produced high-quality solutions for some of the world’s most demanding industries. EF Precision, LLC. Home to more than 50 CNC machines, we thrive on difficult, intricate, and critical projects. Our team is constantly expanding its technical reach, delivering components with challenging tolerances and specifications for Aerospace & Defense, Medical, Pharmaceutical, OEM/Commercial, and Semiconductor applications. Precision Assembly, LLC. Our engineering and assembly division designs, builds, and supports everything from prototype breakthrough devices to large warehouse-scale automated equipment. Products range from compact handheld units to full industrial systems. Electromechanical assembly capabilities include control cabinets, box builds, sub-assemblies, as well as full wire and cable builds—delivered with precision and reliability. Accreditations AS9100D and ISO13485:2016 certified Registered FDA Critical Device Manufacturer UL508A and ITAR registered