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Capabilities

We provide essential products and services through our regulated energy delivery and construction services businesses.

About Us

gas tech working on pipe
0 Bcf/Day
Natural Gas Transportation Capacity
0 Million
Utility Customers
5 th
Largest Specialty Contractor, According to Engineering News-Record
US map of utility operations

REGULATED ENERGY DELIVERY

Electric and Natural Gas Utilities

Our utility companies serve nearly 1.18 million customers across eight states.

  • Cascade Natural Gas Corporation distributes natural gas in Oregon and Washington.
  • Great Plains Natural Gas Co. distributes natural gas in western Minnesota and southeastern North Dakota.
  • Intermountain Gas Company distributes natural gas in southern Idaho.
  • Montana-Dakota Utilities Co. generates, transmits and distributes electricity and distributes natural gas in Montana, North Dakota, South Dakota and Wyoming.
Cascade Natural Gas logo
Great Plains Natural Gas logo
Intermountain Gas Logo
Montana-Dakota Utilities logo

REGULATED ENERGY DELIVERY

Pipeline

WBI Energy provides natural gas transportation through approximately 3,800 miles of regulated pipeline systems primarily in the Rocky Mountain and northern Great Plains regions of the United States. 

WBI Energy’s system is strategically located near five natural gas-producing basins, making natural gas supplies readily available to the company’s transportation and storage customers. The system has 14 interconnecting points with other pipeline facilities, allowing for the receipt and/or delivery of natural gas to and from other regions of the country and Canada. WBI Energy owns the largest natural gas storage field in North America, which is adjacent to the Bakken play. 

WBI Energy also provides cathodic protection and other energy-related services.  

WBI Energy logo
US map of pipeline operations

CONSTRUCTION SERVICES

Construction Services

MDU Construction Services Group, Inc. provides electrical and mechanical and transmission and distribution specialty contracting services.

  • Its EMC services include construction and maintenance of electrical and communication wiring and infrastructure, fire suppression systems, and mechanical piping and services.
  • Its T&D services include construction and maintenance of overhead and underground electrical, gas and communication infrastructure, as well as manufacturing and distribution of transmission line construction equipment and tools.

Key Stats

  • More than 8,500 employees during peak construction season.
  • No. 10 on Engineering New Record's 2023 Top 600 Specialty Contractors list.
  • No. 4 on Electrical Construction & Maintenance magazine's 2023 Top 50 Electrical Contractors list.
MDU Construction Services Group logo
US map of construction services operations