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Current company MacLean-Fogg
Industrial Machinery Manufacturing · 1.3K employees · Founded 1925 · Mundelein, Illinois, United States
MacLean-Fogg is a fourth-generation, family-owned American manufacturing company headquartered in Mundelein, Illinois. Founded in 1925, the company designs and manufactures American-made engineered metal and plastic components and systems serving automotive, industrial equipment, material handling, renewable energy, construction, heavy equipment, and infrastructure markets.
With approximately 2,400 employees across U.S.-based manufacturing facilities, MacLean-Fogg works side-by-side with customers to turn requirements into manufacturable solutions through practical engineering, disciplined operations, and reliable delivery.
The company is led by President and CEO Duncan MacLean. His father and former CEO, Barry MacLean, serves as Chairman of the Board, continuing a century of family stewardship and reinvestment in American manufacturing.
MacLean-Fogg operates through a portfolio of specialized businesses. MacLean-Fogg Component Solutions provides engineered components through core process expertise including cold forming, cold extrusion, hot forging, warm forming, precision machining, automated assembly, and injection and insert molding, alongside fastener, plastic, and additive manufacturing solutions. Threadstrong serves the aftermarket and direct-to-consumer market with high-performance fasteners developed in partnership with MacLean-Fogg Component Solutions. OMCO expands structural and fabricated metal capability through Roll Forming Plus, OMCO Solar, and OMCO Fabrication. Mallard Manufacturing designs and produces engineered pallet flow and carton flow storage systems for manufacturing and distribution facilities.