Founded in 1961 as a Wheeling machine shop, family-owned Mull Group now engineers, machines, casts and assembles critical equipment for rolling mills and other heavy industrial operations. Its four production facilities remain within eight miles of where the company began, bringing more than 200 machines, in-house mechanical engineering and Nail City Bronze—an Ohio Valley foundry pouring metal since 1877—under one local roof. The third generation of the Mull family took leadership in 2024.
The Mandrel GroupFamily-owned and operated in McDonald, Ohio, The Mandrel Group is a hands-on manufacturer serving the steel industry. Its 200,000-square-foot facility draws on a combined 45 years of experience to build and rebuild coiling mandrels in-house. Since acquiring Fessler Machine Company in 2021, the group has continued that company’s tradition while adding its proprietary rotary-distributor sealing technology.MCDONALD, OH
Reichard Industries, LLCFamily-owned and operated in Ohio for more than 30 years, Reichard Industries is known for building custom heavy equipment for steel mills and other industrial customers. The company keeps production in-house at its two Northeastern Ohio facilities, which together provide more than 130,000 square feet for taking projects from engineering through finished fabrication. Its ASME- and AWS-certified field crews also handle on-site inspections and emergency repairs around the clock.COLUMBIANA, OH
Thomas & Muller Systems LtdFounded in 1945 by Thomas Folger Thomas I, Thomas & Muller Systems Ltd. is a family-operated company now overseen by the third generation, with a fourth generation serving as an apprentice. From its Pennsylvania base, the company draws on more than 70 years of hands-on experience to engineer custom mechanical bulk-material handling equipment for challenging industrial applications, while also helping customers improve or repair existing systems.RED HILL, PA
Major Metals CompanyThree generations of the Mason family have built Major Metals Company from a 1973 Ohio steel-trading business into a Mansfield manufacturer with more than 50 years on the floor. Today, the family-owned company makes ERW steel tubing for industrial customers in a nearly 230,000-square-foot facility, where its integrated operation keeps material preparation and tube production together under one roof.MANSFIELD, OH