Thank you for your interest in Joseph Oat Corporation.
Established in 1788, Joseph Oat has been a family owned and operated business for over 225 years, and is the oldest continuously operating manufacturer in the USA. We are engineers, designers, and fabricators of critical, custom designed and fabricated products for the DOE/DOD laboratories and repositories, Universities, nuclear power, radioactive waste, pharma/biopharma, chem/petrochemical, refining, off-shore oil & gas, and other power and process industries. Joseph Oat has expertise in large and/or challenging fabrications, supplemented with heavy lift capabilities of 160 tons.
These products include large UHV vacuum vessels/chambers & related components, heat exchangers, tanks, complex pressure vessels, reactors - jacketed and tubular with agitators, columns/towers and other special fabrications. Our material fabrication capabilities include stainless steel, high nickel "super" alloys, titanium, zirconium; as well as many other metals. Our UHV vessels/chambers can achieve 10^-9 mbar(liter)/sec leak sensitivity and our Helium leak testing pumping system has a capability of 10^-5 torr.
Our QA system has been audited by NUPIC and complies with NQA-1 & 10CFR50 Appendix B. We have continuously held a nuclear stamp certification since 1966 and maintain a very strong nuclear safety culture. We possess ASME Section VIII 'U' & 'U-2' stamps, Section I ‘S’ stamp, and Section III 'N', 'NPT', 'NS' and 'NA' stamps. We hold membership in ASME, TEMA, HTRI, AISC and EWI. Shipments from our plant can be made worldwide by truck, rail, barge, or ocean vessel.