. Steeltek Inc. Shell and Tube Heat Exchanger Design and Manufacturer Steeltek, Inc. is a privately held corporation established in 1984 to serve the needs of the petrol-chemical, gas processing and refining industries. Our facilities cover 12.75 acres in Tulsa, Oklahoma, with approximately 134,400 square feet of manufacturing space under roof and crane-way. Steeltek is a member of TEMA and HTRI and in addition to our own stringent quality requirements, our Shell & Tube Heat Exchangers can be designed and fabricated to ASME section I or VIII, TEMA, API660 and NACE MR-0175. National Board & Canadian registration are also available. Our welders are fully certified to meet your needs in fabrication of carbon steel, low chrome, 300 & 400 series stainless steel, monel, and cupro-nickel. Titanium fabrication is also available. To meet your shipping needs, Steeltek is served by all major truck lines with an interstate highway within one mile. For heavier items, we have a Missouri-Pacific rail spur into our facilities and the Tulsa Port of Catoosa is within twenty miles to provide barge freight to the Mississippi River and Gulf Coast. Tulsa International Airport is within fifteen miles to provide air-freight anywhere in the world. Steeltek can also provide equipment crating to meet any requirements through a variety of local contractors. Follow this link for a tour! http://www.steeltekinc.com/images/steeltek-sd.mp4