Ettl Engineers & Consultant, headquartered in Tyler, Texas, has been providing a broad range of engineering and consulting services to industrial, commercial, governmental and private clients in Texas, Arkansas, Louisiana, Oklahoma, Mississippi and Alabama. The company was founded in 1965 and has more than 60 personnel, including professional engineers, environmental scientists, geologists, field and laboratory technicians, skilled drilling rig operators and support staff. It offers various services, such as drilling, environmental and geotechnical engineering services, construction materials testing, contract soil laboratory services, remediation services, regulatory compliance, and waste management and landfill services. In addition, the company carries out several projects for the Texas Department of Transportation that includes hazardous materials testing services and handles projects for airfields and towers.