Family-owned since its Philadelphia founding in 1901, Day & Zimmermann grew from Charles Day’s early industrial betterment work into a company serving complex corporate and government needs. Today, its 32,000-plus employees work across more than 900 locations, with the company particularly known for defense manufacturing and large-scale technical projects. Its guiding promise remains simple: “We do what we say.”
ASME Section IX
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ASME S Stamp
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ASME U Stamp
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National Board Inspection Code R Stamp
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10 CFR Appendix B
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ISO Standards Compliance
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FC Industries, IncFounded in Dayton in 1972 by Frank and Lila Casella, FC Industries is a family-owned manufacturing group that provides turnkey services and steel products through a family of specialized companies. Now transitioning into its third generation of family ownership and management, the company combines precision manufacturing with related capabilities serving markets from aerospace and defense to construction. Its Dayton operation is part of a distinctly American manufacturing tradition, with quality inspection, employee development, and environmental responsibility built into its approach.DAYTON, OH
General Manufacturing CompanyFounded in Pittsburgh in 1958 to repair and supply the region’s coal mines and steel mills, General Manufacturing Company is now a three-generation, family-owned precision machining facility serving defense and commercial customers. The company produces machined parts, assemblies and field-ready subassemblies, with a particular history in military components including mortar mounts. Its 1990 National Prime Contractor of the Year award and current ISO 9001:2015 certification reflect a quality system built for demanding Department of Defense work.332721BETHEL PARK, PA
General AtomicsFounded in 1955 and acquired by the Blue family in 1986, General Atomics develops and manufactures defense and diversified technologies, from unmanned aircraft and electromagnetic naval systems to nuclear reactors and fusion research equipment. The San Diego-based company operates more than 8 million square feet of engineering, laboratory, and manufacturing facilities with over 13,000 employees across five continents. Its long-running fusion work includes operating the U.S. Department of Energy’s DIII-D National Fusion Facility and supplying more than 10,000 inertial-fusion target components each year.LEXINGTON PARK, MD
Leonardo DRSFor more than five decades, Leonardo DRS has built a defense-technology business serving the U.S. military and allied forces. Founded in 1969, the company now employs nearly 7,000 people and is known for supporting mission readiness with systems developed for demanding military operations.334511JOHNSTOWN, PA