Rodriguez Engineering Laboratories LLC

Our experienced team is committed to delivering high-quality engineering, inspection and testing services for all types of construction materials for highway and heavy civil projects. We pride ourselves on our commitment to client satisfaction and providing reliable solutions to meet their needs.


Rodriguez Engineering Laboratories LLC (REL) is a full service construction materials engineering, inspection and testing firm located in Texas. The firm began operation in April of 1992 and currently has five accredited laboratories located in Austin, San Antonio, Arlington, Fort Worth and Pharr, Texas. We are equipped to perform testing/inspection, both laboratory and field in Hot Mix Asphalt Concrete (HMAC), asphalt binders, emulsions, cutbacks, Portland Cement Concrete (PCC), soils and aggregates. We also provide full geotechnical investigations and pavement evaluations.

REL main headquarters is located at 13809 Turbine Drive, Austin, Texas. The facility has 2,500 square feet of office space and 4,250 square feet of area for sample receiving, processing, testing and storage of samples. We also have full equipped laboratories in San Antonio, Pharr, Fort Worth and Arlington.

Our Office Locations

Rodriguez Engineering Laboratories (Main Headquarters)

13809 Turbine Drive Austin, TX 78728

Rodriguez Engineering Laboratories (Pharr)

203 W. Interstate 2 Pharr, TX 78577

Rodriguez Engineering Laboratories (Arlington)

610 Grand Ave Arlington, TX 76010

Rodriguez Engineering Laboratories (San Antonio)

12728 O’Connor Rd San Antonio, Texas 78233

Meet Our Team

Our Dedicated and Experienced Professionals

Oscar H. Rodriguez, P.E.


Jose Melendez, P.E.

Senior Engineer

Maria A. Rodriguez, P.E.

Quality Manager