HGL understands that contaminated sites, unexploded ordnance, and radiological hazards pose real threats to communities and ecosystems worldwide. For over 35 years, HGL has existed to solve these critical environmental challenges - developing innovative, effective, and sustainable engineering solutions that reverse harmful impacts, restore natural resources, and protect our planet for future generations. As an employee-owned company of more than 550 professionals, HGL combines deep technical expertise in groundwater and surface water modeling, environmental restoration, military munitions response, and radiological cleanup with a commitment to exceptional client service and environmental stewardship.
HGL's mission-driven culture focuses on addressing some of the world's most complex environmental problems, from emerging contaminants like PFAS to traditional chemical contamination across all media. Their work spans the United States and its territories, supporting federal agencies including the U.S. Environmental Protection Agency, Department of Defense, and Department of Energy. By investing in research and development and maintaining core values of care, integrity, innovation, and stewardship, HGL delivers cutting-edge solutions that restore contaminated sites to beneficial use while protecting the safety and well-being of their team members and the communities they serve.