In addition, we participate in the AASHTO Materials Reference Laboratory program to actually gauge our performance. We also participate in ASTM’s Cement and Concrete Reference Laboratory program.

Our technicians have received on the job training, certification and accreditation from the American Concrete Institute (ACI) and are in the process of acquiring certifications from the National Institute for Certification in Engineering Technologies (NICET), and follow the American Society for Testing and Materials (ASTM) procedures and the most current developments within the construction industry.

LOI ENGINEERS, a self-certified minority-owned firm, is in the process of receiving its State HUB certification.


See Certificates

LEC Engineering, Inc.

Texas Board of Professional Engineers – Licensed to offer and provide Professional Engineering Services in the State of Texas


U.S. Corps of Engineers  –



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