Established in 1976, Hall Blake and Associates is a full-service civil engineering firm. It specializes in the areas of geotechnical, construction and environmental services. The firm conducts geotechnical investigations for several projects that include highway facilities and communication towers in Alabama, Georgia, Illinois and Mississippi. Hall Blake and Associates also installs and maintains monitoring, dewatering and recovery wells. The firm designs and constructs electro-osmosis systems for slope stability and slurry walls. It performs soil placement inspection and compaction testing. In addition, the firm has a chemical testing laboratory for providing surveying, drafting and other engineering-related services. Hall Blake and Associates is headquartered in Memphis, Tenn.