With more than 1,500 staff and 62 offices nationwide, GEI is a leader in providing multi-disciplined engineering and technical services to a range of private and public sector clients domestically and …

Dec 15, 2025 · GEI provides Geotechnical, Environmental, Water Resources, Civil Design, and Construction Services throughout the project delivery life cycle from conceptual planning to …

As our communities are increasingly challenged by big weather, GEI is leading the way in climate safety. Watch our new video to see how we’re working across all disciplines to build a safer future.

GEI is a national engineering firm with 56 offices and specializes in water, energy, buildings, infrastructure and industrial solutions.

Founded purely as a geotechnical engineering firm in 1970, GEI has been an industry leader in the application of geotechnical principals to achieve safe, economical and practical projects.

GEI combines empirical experience with sophisticated computer modeling to evaluate the impacts of excavations and various support of excavation (SOE) systems on existing adjacent buildings and …

The acquisition of Atlantic directly led to GEI’s growth in the Manufactured Gas Plants (MGP) market, where Atlantic had been both nationally and internationally recognized for its expertise. This also …

GEI’s comprehensive energy solutions cover the full cycle of services from strategic planning, engineering, design, environmental remediation and construction management. We are a recognized …

GEI employees are leaders in providing multi-disciplined engineering and technical services to a range of private and public sector clients.

GEI provides industry-leading scientific expertise in human health and ecological risk assessment, environmental toxicology, exposure and effects assessments and indoor air pollution, which are …