HGL (HydroGeologic, Inc.), is a full-service environmental science, engineering, and construction firm with over 23 years of experience providing environmental restoration solutions to federal, state, local, and private sector clients. HGL is one of the few companies that remain committed to research and development, offering a dynamic work environment for creative, energetic professionals.

Just what makes one company different from another? At HydroGeoLogic, Inc. (HGL),

HGL Headquarters - Reston, VA
we outpace our competition with project teams that strategically integrate engineering, remediation, construction, architecture-engineering (A-E) services, munitions response, hydrological and geosciences, and professional services. Most important, we support these services with leading-edge modeling, forensics, and geospatial technologies that enable us to deliver the most appropriate investigative, analytical, design, managerial, and field operational solutions for the job.


For 23 years, HGL has focused on making our technical know-how affordable and accessible to the broadest range of customers. We invite you to review our Website and capabilities to see what we can do for you.