Contact Us

The Engineering Institute

2575 E. Heritage Parkway
Second Floor
P.O.Box 610
Farmington, Arkansas, 72730

Phone: 479-846-8000
Fax: 479-846-8002

Monday through Thursday
8 a.m. to 4:30 p.m. CST


Approximate Driving Times:
From XNA - 45 minutes
From Fort Smith - 1 hour
From Tulsa: 2 hours
From Little Rock - 3.5 hours

Both located off Exit 62 from south I-49 and approximately 10-12 minutes from our office.

Hampton Inn
15 Krupa Drive, Fayetteville, Arkansas 72704

Candlewood Suites
2270 W Martin Luther King Jr. Blvd., Fayetteville, AR 72701 877-859-6692

About Us

Ei Consultants, LLC was organized in 1984 by Dr. David Renfroe. The company is now owned by Stanley Andrews.

Ei Consultants, LLC provides engineering consulting and research services. Our engineers have expertise in the areas of accident reconstruction, fire origin and cause, and industrial accidents and machinery.

We also contract with engineers with experience in the fields of tire failure and design, ATV and UTV Testing and compliance, and vehicle dynamics.

Contact Us

2575 E. Heritage Parkway
P.O. Box 610
Farmington, Arkansas 72730

479-846-8002 Fax


Office Hours: 8a.m. - 4:30p.m., M-Th


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