Our Founder

TEK-FINS, INCORPORATED was founded in 1989 by the late Mr. James E. Rainey, a local Tulsa businessman.  TEK-FINS proudly remains a family owned and operated business to continue our legacy in the industry.

TEK-FINS has designed and produced practically 

every type of air cooled heat exchanger for the natural gas pipelines, power generation, and petrochemical plants in North America and Canada.

Our core business segment is natural gas pipeline producers, supplying air cooled heat exchangers for thousands of miles of natural gas pipelines across the US and Canada.


TEK-FINS staff includes degreed engineering professionals from chemical, electrical, & mechanical disciplines.  


All technical staff are well versed in the nuances particular to articulate design and high specification manufacture of air cooled heat exchangers.  

We proudly offer the following for your projects as desired and will consider additional engineering analysis by request:

  • HTRI Thermal & Hydraulic Designs

  • API-661 Industry Compliant

  • ASME Code Section VIII, Div.1 "U" Stamp

  • National Board Certification

  • PE Civil/Structural Analysis  

  • 2D & 3D Drafting Capabilities

  • Vessel Materials - CS, SS & Exotics

  • State of the Art Welding

  • Heavy Duty Fabrication 

  • Extreme Low Noise Applications

  • Field Site Start-Up Assistance