Founded in 1904 during Oklahoma’s oil boom, Southern Sheet Metal Works Inc. is a Tulsa-based, family-owned manufacturer of custom sheet-metal fabrications and HVAC ductwork. Now in its fifth generation of Tidwell family ownership, the company has grown from an early oil-field supplier into a custom manufacturer handling everything from prototypes to industrial ventilation systems. Its Southern Safe Rooms division, launched in 2011, builds Tulsa-fabricated storm shelters certified to withstand an EF5 tornado.
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Seneca Sheet Metal CompanyFamily-owned since its 1964 opening, Seneca Sheet Metal Company has built its identity around dependable custom fabrication in Northwest Ohio. Known especially for industrial ventilation, the company serves customers ranging from independent proprietors to major engineering firms, taking projects from prototypes through long-running production work.TIFFIN, OH
Yarder Manufacturing LLCFounded in 1919, Yarder Manufacturing is a fifth-generation, family-owned American company that custom-fabricates production sheet-metal parts for manufacturers across North America. The Maumee-area business grew from Stanley Walter Yarder’s garage shop and early double-walled toolboxes into a 100-plus-year operation with a 50,000-square-foot facility, in-house machining and an ISO 9001:2015-certified quality system. Yarder remains family-oriented in its operations while adapting its metalworking capabilities to everything from powersports and industrial equipment to newer data-center applications.TOLEDO, OH
Penn Sheet MetalA locally and family-owned Allentown company, Penn Sheet Metal has been shaping metal for more than a century since its incorporation in 1921. It grew from a shop making cornices and roofing into a custom fabricator serving construction and industrial customers, with a roll-forming division added in 2012.332322ALLENTOWN, PA
Kottcamp Sheet MetalThree generations of family ownership and more than 45 years in York, Pennsylvania, have shaped Kottcamp Sheet Metal into a union job shop known for careful, custom fabrication. Its AWS-certified craftsmen make precision metal components for industrial and food-processing operations, with an emphasis on parts that fit real facilities and hold up in daily use.YORK, PA