Oxentenko Inc

Sparling Construction is a trusted general contractor in the Bismarck-Mandan area, providing high-quality custom homes, residential remodeling, and commercial construction since 1978. Our experienced team can handle all of your construction and design-build projects, including kitchens, bathrooms, bedrooms, additions, decks, and full interior or exterior remodeling. Whatever your home design or project needs, we bring the right mix of expertise and craftsmanship to create results you'll love. Helping you live better at the same address is our mission.

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.