Cochran services both the public and private markets providing a comprehensive range of services including civil engineering, architecture, survey, geotechnical and environmental testing, construction and inspection testing, and quality assurance monitoring. Our team of experts will provide analysis, planning and design solutions for your needs relating to drinking water, waste water, transportation systems including roadways, bridges, sidewalks and infrastructure enhancements, site development, building needs. Located in Wentzville, Missouri, we proudly serve the following St. Charles communities: Wentzville, Lake Saint Louis, O'Fallon, St. Peters, St. Charles, St. Charles County, Warren County, Lincoln County, Warrenton, New Melle, Dardenne, Dardenne Prairie, Wright City, Foristell, Flint Hill, Troy, Winfield, Old Monroe, Weldon Spring, Defiance, Hawk Point and Jonesburg.