Based in Middletown, Ohio, SSI Fabricated builds custom industrial strainers, suction diffusers, and ASME-code pressure vessels for demanding process applications. Its fabrication work includes vessels up to 60 inches in diameter and 15,000 pounds, with engineering and inspection capabilities covering ASME Section VIII Division 1 and B31.1 design requirements. Since its acquisition by The Hellan Strainer Company in 2018, SSI Fabricated has operated as a Hellan division.
ASME B31.1 Design Code
Compliance program
ASME Section VIII Division 1
Compliance program
Sistersville Tank Works IncFounded in Sistersville in 1894 during the Mid-Ohio Valley’s oil boom, Sistersville Tank Works builds custom ASME pressure vessels, heat exchangers, tanks and other heavy fabricated equipment. The woman-owned company is now led by the third generation of the Morgan family and serves industrial customers across the United States and overseas. Its Ohio River plant combines large-scale fabrication with in-house engineering, testing and field repair capabilities.SISTERSVILLE, WV
Buckeye Fabricating CompanyFounded in 1963, Buckeye Fabricating Company manufactures custom ASME pressure vessels and process tanks from its Springboro, Ohio base. Family-owned since inception, the company reports producing more than 60,000 ASME pressure vessels and primarily serves OEMs and other product manufacturers with made-to-order vessels and tank assemblies.SPRINGBORO, OH
The Mack Iron Works CompanyThe Mack Iron Works Company has been part of Sandusky’s industrial community since 1901, building its reputation on careful metal fabrication and practical engineering knowledge. It produces custom work for industrial customers, including geometric strainers, with ASME Section VIII “U” and National Board “R” authorizations available for applicable projects.SANDUSKY, OH
Didion Vessel, LLCFounded by Don and Jill Didion in 1977, Didion Vessel is a family-owned Bellevue, Ohio manufacturer of custom ASME pressure vessels, industrial autoclaves, and gas separators. The company grew from local welding and millwright work into code fabrication, earning its ASME stamps in 1989 and later certifying more than 3,100 vessels. Its experience with rigging and in-house fabrication also allows Didion to tackle unusually large, heavy custom units, including vessels built in its yard when they exceed shop dimensions.BELLEVUE, OH