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Leaders in Quality Construction & Infrastructure

We specialize in heavy civil construction, public utilities (water, sewer, and storm), complete oilfield services, and midstream construction.

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  • Site Preparation

  • Water and Sewer Construction

  • Oilfield Services

  • Compressor Station Builds

  • Pipe/Tank Insulation

  • Green Services

  • Land Reclamation

  • Retaining Walls

  • Hydro-Vac Services

  • Hauling

  • Lowboy Services

  • Soil Cement

  • Roustabouts

  • Welding

  • Midstream Services 

  • Snow Removal 

  • Helical Pier Installation

  • Painting and Coating

  • Insulation 

  • Disaster Response 




For over 30 years, Teraflex Group (and affiliates) has provided superior, diversified construction services.  We consider it our responsibility to provide quality work that does not stop at the end of the day, or the end of a project. Our work ethic lasts beyond our collaboration with our clients. Teraflex Group is a full-service commercial site development, oilfield service, grading, and utility contractor.

We are here to meet all your needs!


Quality and Safety are what we are known for.



People are our most important asset, and their safety is our greatest responsibility. The safety of our employees is our first consideration in all our operations.

At Teraflex Group we provide safe working equipment, necessary personal protection and, in case of injury, provide the best available first aid and medical services.

No job is more important than the safety of our personnel and those around us. We take the time to do it right. All Teraflex personnel, regardless of position, have the “Stop Work” authority.


Licensed Contractor in: 

Montana - North Dakota - Utah - Idaho

North Carolina - South Carolina- Tennessee  




City Of Williston
Williston Economic Development

Breaking barriers and building dreams These six women are leading the way with the Teraflex group, proving that strength, skill, and sisterhood know no bounds.

Catina Stoker: “I love to build stuff and it's just a big toy, I really enjoy myself and have fun and when a project is done, we can step back and say we did that! Everyone is like family here.”

Read more in about the female heavy equipment operators in the Williston Wire!

#WillistonWire #womeninoilfield






For any inquiries, questions or commendations, please call: 701-774-9816 or fill out the following form

Corporate Office

1015 58th St. W 

Williston, ND 58801

Tel: 701.774.9816

Fax: 701.774.9817

Contact Us

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North Carolina Office

Iron Duff Business Park 

3854 Crabtree Road 

Waynesville NC, 28785

Utah Office 

244 Paxton Ave

Salt Lake City UT 84101


To apply for a job with Teraflex Group, please send an application and a resume to:

Get a quote: 701.774.9816

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