De Haan Grabs & Associates

Rely on Toman Engineering Company for an extensive range of Land Surveying and Civil Engineering services for all types of building and planning projects for homeowners, rural property owners, developers, contractors and municipalities. We service Mandan, Bismarck and surrounding communities/counties from lot/land surveys to residential, commerical & industrial site planning/design to municipal street design or rehabilitation. Operating with the latest computer technology, using state-of-the-art equipment, and having professional, qualified employees, allow us to service you and your next project! FREE quotes are available!

Blacktrail Environmental, Inc. (Blacktrail) is a registered environmental engineering firm based in North Dakota specializing in Phase I and II Environmental Site Assessments (ESAs), Asbestos Inspections and Abatement Consulting, Mold Inspections; Brownfield Cleanup Projects and Management; Lead-Based Surveys; Industrial Hygiene & Exposure Sampling Services; Radon Testing and Mitigation Service Consultation; Spill Prevention, Control, and Countermeasure (SPCC) Plans; and Safety Consulting by Certified Safety Professionals (CSPs). We are experienced engineers, scientists, and consultants available to define financial risk for your company's environmental issues. Our attention to service and quality has made us an industry leader in North Dakota. At Blacktrail the customer always comes first, and we constantly strive to exceed your expectations! With our wide range of environmental and engineering consulting services, we know we can offer quality service at affordable prices. Call for a proposal for your next project or for questions about environmental issues.