Horizon Surveying & Mapping, 2484 Pleasant St, Dekalb, IL 60115, US

Based in Wheeling, Ill., IG Consulting, Inc. was incorporated in 1986 to serve the specialized requirements of federal, state and municipal roadway managers. It is an interdisciplinary consulting firm and provides a range of engineering, planning and construction support services to private and public sector clients. The scope of services also includes civil engineering, site planning, support during the plan approval and development entitlement process, land surveying and on-site construction consultation. The company s additional in-house capabilities include expert court testimony, land development consulting, storm water management planning and design, on-site wastewater treatment facility evaluation and design, and surveying with GPS technology.