Shaping Ohio's Skylines Since 1898.
Incorporated on March 28th, 1898 by Colonel James Smith and George Oby, the privately owned and operated Smith & Oby Company has grown into one of Ohio’s most respected mechanical contractors. Throughout our storied history, our expanding services and capabilities have made us a benchmark for quality and professionalism in the construction industry.
Our services include but are not limited to HVAC, plumbing, process piping, project budgeting and estimating, 3D-BIM, design/build, engineering, service & maintenance, 24/7 emergency service.
Dedicated to expert craftsmanship and customer satisfaction.
26,000 Sq. Ft. Pipe Fabrication Shop
Our pipe fabrication shop features a 30-ton bridge crane, indoor loading dock, 8 welding/fabrication bays, and much more.
17, 000 Sq. Ft. Sheet Metal Fabrication Shop
Our sheet metal fabrication shop uses a 10-ton bridge crane, plasma cutters, coil line, DrawTech software, and much more.
Plumbing & Piping
Our staff are experts in back flow prevention installation, medical gas, natural gas, chilled water systems, heated hot water systems, refrigeration, and more. Plus we have the certifications that your job requires.
We install some of the most important and complex systems in buildings, yet these systems are seldom seen.
Smith & Oby Projects
View Our Current Projects
Smith & Oby Bid Board
Interested in doing sub-contracting work with Smith & Oby? View the projects we are currently bidding.