Welcome to Geo Services, Inc, a civil engineering firm providing quality geotechnical, environmental, and construction engineering services across Illinois. Composed of talented professionals, technicians, and support personnel, Geo Services, Inc. is more than ready to take on any project you bring to them. For over twenty years, their team has worked tirelessly to assure their clients have the best service in the business on a timely, cost-effective basis. Through thousands of projects, they’ve gained a thorough understanding of the industry and left their mark across the state.