HEI registrations:
- Dr. Harkins is a registered Professional Engineer in the States of Texas and Oklahoma.
- HEI is registered with the State of Texas Board of Professional Engineers.
- HEI is registered with theĀ Oklahoma State Board of Licensure for Professional Engineers and Land Surveyors.
HEI certifications:
- City of Austin, Disadvantaged Business Enterprise
- South Central Texas Certification Agency, Emerging Small Business Enterprise, Small Business Enterprise, and a Woman-Owned Business Enterprise
- State of Texas, Historically Underutilized Business
- U.S. Business Administration, Small Woman-Owned Business