Home About Us Divisions Contact Us Safety First Projects SSM Industries, Inc. - Integrity - Customer Commitment With over 70 years of industry experience, our Sheet Metal division has accomplished projects ranging from light commercial to power plant installations across 23 states. Our time-tested approach to project management ensures the best quality and most efficient methods of sheet metal installation, fabrication, and testing. SSM Industries, Inc. has more than 28 years of expertise in piping fabrication, installation, and testing. Our strong work environment inspires consistently successful projects in the industry of mechanical services. As the largest provider of HVAC ducts, product design, qualification, fabrication, and installation in the nation, SSM Industries, Inc. is an industry leader in safe and high-quality nuclear power HVAC components. Our power division boasts more than 40 years of experience. Our Spiral Duct and Fittings division, Mid-States Spiral, locally stocks rectangular & specialty duct fittings designed and shaped to your customized needs. Our methods and products allow for shorter installation times, less weight, fewer air leaks and a smaller insulation surface, as well as lower energy consumption. Pittsburgh Office Pittsburgh is where SSM Industries, Inc. originated and is presently our corporate home office. Originating in 1961, SSM Industries, Inc. quickly ascended as a prominent player locally. Click to Read More... Harrisburg Office SSM Industries, Inc. Harrisburg office located in New Cumberland extends our HVAC Mechanical services to cover the central PA and Maryland markets. From this location we offer HVAC piping... Click to Read More... Philadelphia/New Jersey Office Philadelphia markets for sheet metal services provided an opportunity for expansion of SSM Industries, Inc. in 1986 when we opened our full service sheet metal fabrication... Click to Read More... Divisions Sheet Metal Mechanical Power Spiral Pittsburgh 3401 Grand Ave. Pittsburgh, PA 15225 412-777-5100 Harrisburg 601 Walnut Alley 6th & Water St. New Cumberland, PA 17070 717-774-7510 Philadelphia/New Jersey 1425 Grandview Ave. West Deptford, NJ 08066 856-345-2525 © Copyright 2013 SSM Industries, Inc.