Since 1975, E&H Manufacturing has built made-to-specification equipment for the oil and gas industry and other construction-related fields, while also manufacturing stress-laminated timber bridges. The Charleston, West Virginia, company has more than 100 years of combined manufacturing experience among its corporate officers and has registered over 8,000 pressure vessels since earning ASME authorization in 1992. Its problem-solving approach extends to custom industrial design, with products made in the USA.
ASME U-Stamp
certification
ASME R-Stamp
certification
National Board Certificate of Authorization
certification
National Board pressure vessel registration
registration
AASHTO HS-20-44
compliance_program
Virginia DEQ Specification 3.24
compliance_program
AWPA UC4B pressure-treatment standard
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
Zeyon, IncWith more than 50 years in custom manufacturing, Erie-based Zeyon designs and builds ASME-code metal equipment for demanding research, energy and industrial projects. Its in-house engineering team specializes in custom stirred reactors, pressure vessels and related fabrication, turning unusual process requirements into built-to-specification equipment. Zeyon also holds ASME U, UM, S and R code stamps and is WBENC-certified.332312ERIE, PA
American Boiler, Tank & Welding Co IncFounded by Leo Farley in 1936, Albany’s American Boiler, Tank & Welding Co. fabricates custom pressure vessels, tanks and other heavy industrial equipment, with field repair and installation available as well. The company’s unusually broad project history includes a cargo offload sled built for National Science Foundation work in Greenland, alongside demanding work for utilities, defense and process industries. American Boiler holds ASME U, R, S and H stamps and has maintained NYS Department of Labor OSHA & SHARP certificates since 1998.ALBANY, NY
Pittsburgh Tank CorporationFamily-owned and operated since 1988, Pittsburgh Tank Corporation engineers and fabricates custom storage tanks, pressure vessels, and process equipment in Monongahela, Pennsylvania. The company has grown from a 5,000-square-foot shop to an 80,000-square-foot, five-building facility capable of handling complex projects and coordinating deliveries worldwide. Pittsburgh Tank is also an ASME-authorized “U” stamp manufacturer of unfired pressure vessels and reports a 95% on-time ship rate over the past decade.MONONGAHELA, PA