Located in Longview, Texas, Vessel Technology (VTEC) specializes in the design and fabrication of pressure vessels to support the refining, petrochemical, and power generation needs worldwide. Recognized as one of the best facilities of its kind in the country, VTEC has built a solid reputation upon our precision craftsmanship and dedicated commitment to quality. VTEC holds the Certificate of Authorization to register boilers, pressure vessels and other pressure retaining items with the National Board under the ASME designated U stamp. VTEC also holds the industry recognized R stamp and certificate from the National Board of Boiler Inspectors, which allows us to make repairs and alterations on existing pressure vessels, both in the shop, and in the field.