HSA Engineers & Scientists (HSA) is based in the southeastern United States and is a member of the Conestoga-Rovers and Associates (CRA) global network of companies. HSA provides full-service engineering, environmental, construction, and litigation support services, and can also undertake equity investments related to these areas of expertise. The attention and quality of our services, anchored by pragmatic experience, separates us from other engineering consulting firms. We provide comprehensive, integrated environmental, geotechnical and water resources, engineering consulting, as well as information technology, forensic science, and civil and construction services. We are sought as qualified experts to provide insight into concerns regarding virtually all aspects of facility operations, construction and environmental impacts.