E-HT (Enprotec / Hibbs & Todd, Inc.) is a civil, environmental, and geotechnical engineering firm with headquarters in Abilene, Texas and branch offices in Lubbock and Granbury. We offer a wide range of services, such as water supply planning, wastewater collection and treatment engineering, underground pipeline design and installation, construction management, soil engineering, environmental compliance, and other engineering services. Our experienced staff of engineers, science professionals, and technicians