As an operating company of The Express Group Companies, Express Integrated Technologies, LLC has an integrated history beginning in 1979.

Express Metal Fabricators Inc. (EMF)

Express Metal Fabricators Inc. (EMF) was established in 1979 in Locust Grove, Oklahoma as a contract fabrication shop for many of the major engineering firms in the petroleum and power industries.  St. George Steel (SGS) was acquired in 2005, joining the engineering and fabrication divisions to market fully integrated engineering and design for the various EIT product lines, as well as providing fabrication services for other clients through EMF and SGS independent contracts. Express Metal Fabricators is an approved fabricator for most of the primary oil companies around the world.

Applied Thermal Systems, Inc. (ATS)

Applied Thermal Systems, Inc. (ATS) was established in 1982. ATS was involved in the design and engineering of various types of heat transfer equipment including Direct Fired Heaters, Waste Heat Boilers, Heat Recovery Steam Generators, Thermal Oxidizers, etc.  During this time, Express Metal Fabricators was the primary fabricator of ATS equipment.

Express Integrated Technologies LLC (EIT)

Express Integrated Technologies LLC (EIT) of Tulsa, Oklahoma was initially formed as ATS/Express, LLC and is now a sister company of Express Metal Fabricators, LLCEIT’s product focus is the design and supply of Heat Recovery Steam Generators (HRSG), Once-Through Steam Generators (OTSG), Simple Cycle Catalyst Systems (SCCS), Waste Heat Boilers (WHB), Waste Heat Recovery Units (WHRU), Fired and Process Heaters and Aftermarket Services.