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The Engineering Institute offers a variety of engineering research, consulting, and public services relating to the automotive industry, fire investigations and materials failure. Our senior engineers have expertise in accident reconstruction, automotive mechanical failures, and expert deposition and trial testimony.

News and Events

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  • Finite Element Analysis on Tires: Don Lee is now offering the following 3D services: Modeling for Subject Tires, Contact Analysis, Steady State Rolling at various speeds and braking & Traction Call today for more details and pricing!
  • Toyota Recall and Sudden Acceleration: Do you own a Toyota vehicle currently being recalled? Have you experienced sudden acceleration problems with your Toyota? CALL US TODAY! We are currently examining malfunctions of these vehicles.


  • ATV / UTV and Glazing Testing: We are currently expanding our testing program in these areas. Do you need more information on commercial bus glass or an ATV / UTV accident? Give us a call for a free consultation on this recent test data.



Meet the Experts

The Engineering Institute offers a variety of engineering research, consulting, and public services relating to the automotive industry, fire investigations and materials failure. Our senior engineers have expertise in accident reconstruction, automotive mechanical failures, and expert deposition and trial testimony.

With a dozen engineers on staff, we conduct accident reconstruction investigations with emphasis on our Rapid Response Team that can help preserve crucial evidence. Located in Northwest Arkansas, we offer service nationwide. Our testing department is fully equipped to design a test to fit your needs whether it be a seatbelt buckle mechanism or an entire vehicle, such as an ATV. We also offer accurate and detailed digitization and animation products, including high quality evidence photography and high-speed video.

Our support staff of business professionals are just a phone call away to help you with technical research, document reproduction or paralegal needs. We also have techs available for courtroom presentations using Trial Director software - an easy, paperless way to handle and display exhibits. All working towards the goal of providing accurate information for safer, more efficient systems!

The Partners:
Dr. David Renfroe, Dr. Stephen Batzer and Stan Andrews!

David RenfroeSteve Batzer Stan Andrews


About Us

The Engineering Institute provides engineering consulting, research and public services relating to the automotive industry.

Organized in 1984 by Dr. David A. Renfroe, The Engineering Institute is now a three-way partnership between Dr. David A. Renfroe, Dr. Stephen A. Batzer and Stanley Andrews.

Our Services

Expert Services: Vehicle Safety Research, Safe Vehicle Component Designs and Accident Reconstruction.

Presentation Services: Trial Director Presentations, Large Format Diagrams, Animation and Digitization.

Other Services: Complete Lab, Shop and Test Facilities, Vehicle and Evidence Storage and Low Speed Rear Impact Injury Analysis.

Contact Us

13045 W. Hwy 62
P.O. Box 610
Farmington, Arkansas 72730

479-846-8000
479-846-8002 Fax

Office Hours: 8a.m. - 5p.m., M-F

Email: info@enginst.org