Geo-Logic Associates (GLA) is an employee-owned, multidisciplinary environmental, civil and geotechnical engineering consulting firm with more than 250 professionals in 27 offices in the U.S. and abroad.

GLA and its affiliates, Clear Creek Associates, Daniel B. Stephens & Associates, Geo-Logic Peru, and Kunkel Engineering provide solutions to challenges for landfills, mines, contaminated sites, municipal projects, natural resources, and water resources.