Based in Williston, N.D., Hexom Earth Construction Inc. is a heavy civil and energy services contractor. The company has been operational since 1976, offering a variety of services, such as landfills, site development, industrial site development, land clearing, lease roads, reserve pit closures and oilfield reclamations, among others. In addition, Hexom Earth Construction Inc. provides site remediation and oil spill clean up services. Its expertise lies in the areas of highways, dams, landfills, lagoons, mine development, mine reclamation and environmental projects.