Canola Oil Extraction PlantGeolocation: 0, 0

The Northstar Agri Industries (NAI) project in Oklahoma included permitting required prior to the construction of a 2,500 ton per day canola oil extraction facility. As part of the project, Liesch, A Terracon Company (Liesch) completed a Phase I, Phase II, Title V and wetlands permitting. All of the necessary permits to begin construction were obtained prior to NAI's planned schedule for construction. Liesch continues to work with NAI on environmental compliance issues through construction and operation of the facility.



Associated Office

Minneapolis - LieschGeolocation: 44.9959, -93.4503
Liesch Associates, a Terracon Company (Liesch), joined Terracon in January 2013. Established in 1968 and based in Minneapolis, Minnesota, Liesch provides a full range of environmental services including industrial hygiene, industrial water and wastewater, air quality, acquisition due diligence, environmental compliance, environmental engineering, solid waste, and brownfields services. Liesch has more than 50 employees in our Minneapolis and St. Paul offices. For additional information, please see