Huff & Huff, Inc., a Subsidiary of GZA, is a Multidisciplinary Firm providing Environmental, Civil, and Biological Engineering Services.

Founded in 1979, Huff & Huff, Inc. is a multidisciplinary firm providing environmental, civil, and biological engineering services located in Oak Brook, Illinois. with a national practice in all environmental fields. Areas of expertise include natural resource assessments, wetlands, remediation design, wastewater design, stream surveys, sustainable solutions, environmental site assessments, air quality, underground storage tanks, risk assessment, hazardous waste management, and transportation-related environmental issues.

In 2014, Huff & Huff, Inc. became a wholly-owned subsidiary of GZA GeoEnvironmental, Inc., a multi-disciplinary firm that provides Environmental, Geotechnical, Ecological, Water, and Construction Management services – operating out of 28 offices in the United States.  This change greatly enhanced the services offered to all clients - for GZA and Huff & Huff. Together we provide a depth of service that can take your project from concept to completion.  For a complete overview of GZA/Huff & Huff Services, visit  For job openings, visit our Careers page