Since 1945, Baltimore-based Ackerman & Baynes, LLC has fabricated steel for bridges, construction projects, and industrial customers. Its 32,000-square-foot shop and 40,000-square-foot outdoor storage area support work ranging from bridge components and simple steel bridges to custom OEM metal parts, including weldments up to 25 tons. Ackerman & Baynes is an AISC-certified fabricator, with welders certified to AWS D1.1 and D1.5 codes and a full-time certified welding inspector on staff.
AISC Certified Fabricator
AWS D1.1 Welding Code
AWS D1.5 Welding Code
Maryland MDOT MBE / DBE / SBE Certified
DelDOT WBE / DBE Certified
Washington Metro Area MWATA DBE Certified
Baltimore City WBE / DBE / OBC Certified
SWAM Small Business Women & Minority Owned
Virginia DBE Certified
West Virginia DBE Certified
North Carolina DBE Certified
Pennsylvania DBE Certified
South Carolina DBE Certified
Ohio DBE Certified
AWMI Affiliation
Associated Pennsylvania Constructors Affiliation
Zimmerman Steel & Supply Co. LLCFamily-owned and operated since 1995, Zimmerman Steel & Supply Co. LLC has built its Dalton, Ohio, business around custom metal fabrication for industrial customers. Its two facilities span more than 82,000 square feet and support projects ranging from small production work to large, complex jobs across the United States and Canada. The company’s welders hold AWS D1.1 and D1.5 certifications, with additional Canadian certification through CWB CSA W47.1.DALTON, OH
Black Lion ProductsSince 2009, Black Lion Products has fabricated large structural steel assemblies for projects across the country, from its 380,000-square-foot Youngstown facility. The company handles projects ranging from 100 to 6,000 tons and has completed more than 400 jobs, with AISC certification in place since June 2021. Its shop includes 14 overhead cranes, while certified welders and an on-site Certified Weld Inspector support its fabrication and detailing work.YOUNGSTOWN, OH
Legacy SteelFounded by Bill Jones after more than a decade in steel fabrication, Legacy Steel designs, fabricates, and installs custom industrial steel systems from its 60,000-square-foot facility. The Amherst company handles projects from concept through installation, including platforms and access structures, and has completed more than 300 projects with a national service reach. Its team has installed 1.5 million square feet of platforms and supports contract fabrication with D1.1-certified welders and a powder-coating line.AMHERST, WI
Stewart-Amos Steel, IncFounded in 1976 after its executives acquired the former Goetze Welding Company, Stewart-Amos Steel fabricates structural steel for commercial, industrial, and institutional buildings and other structures. Its Harrisburg shop has completed projects as large as 9,100 tons and $25 million under a single contract, and the company has been an AISC Certified Fabricator since 1994.HARRISBURG, PA