Company Description
MDU Resources Group, Inc. engages in the regulated energy delivery businesses in the United States.
The company operates through three segments: Electric, Natural Gas Distribution, and Pipeline. It generates, transmits, and distributes electricity in Montana, North Dakota, South Dakota, and Wyoming through approximately 3,400 miles of transmission and 4,900 miles of distribution lines, as well as 86 transmission and 299 distribution substations.
The company also distributes natural gas in Idaho, Minnesota, Montana, North Dakota, Oregon, South Dakota, Washington, and Wyoming through approximately 22,000 miles of distribution and 540 miles transmission systems; and supplies related value-added services.
In addition, it provides natural gas transportation and underground storage services through a regulated pipeline system primarily in the Rocky Mountain and northern Great Plains regions; and cathodic protection non-regulated energy-related services.
Further, the company offers transportation and storage services. MDU Resources Group, Inc. was incorporated in 1924 and is headquartered in Bismarck, North Dakota.
| Country | United States |
| Founded | 1924 |
| Industry | Utilities - Regulated Gas |
| Sector | Utilities |
| Employees | 2,096 |
| CEO | Nicole Kivisto |
Contact Details
Address: 1200 West Century Avenue, PO Box 5650 Bismarck, North Dakota 58506-5650 United States | |
| Phone | 701 530 1000 |
| Website | mdu.com |
Stock Details
| Ticker Symbol | MDU |
| Exchange | NYSE |
| Stock Type | Common Stock |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 0000067716 |
| CUSIP Number | 552690109 |
| ISIN Number | US5526901096 |
| Employer ID | 30-1133956 |
| SIC Code | 1400 |
Key Executives
| Name | Position |
|---|---|
| Nicole A. Kivisto | President, Chief Executive Officer and Director |
| Jason L. Vollmer | Chief Financial Officer |
| Garret Senger | Chief Utilities Officer |
| Stephanie A. Sievert | Chief Accounting and Regulatory Affairs Officer |
| Dyke A. Boese | Chief Information Officer |
| Thomas D. Nosbusch | Executive Vice President of Everus Construction |
| Jon B. Hunke | Vice President of Accounting and Enterprise information Technology - Everus Construction |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Apr 9, 2026 | SCHEDULE 13G | Filing |
| Apr 1, 2026 | ARS | Filing |
| Apr 1, 2026 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| Apr 1, 2026 | DEF 14A | Other definitive proxy statements |
| Mar 27, 2026 | SCHEDULE 13G/A | Filing |
| Feb 20, 2026 | 10-K | Annual Report |
| Feb 11, 2026 | SCHEDULE 13G | Filing |
| Feb 5, 2026 | 8-K | Current Report |
| Jan 16, 2026 | 8-K | Current Report |
| Dec 29, 2025 | 8-K | Current Report |