MDU Resources
| Company type | Public | 
|---|---|
| Industry | |
| Founded | 1924 in Minneapolis, Minnesota, U.S. | 
| Founders | 
 | 
| Headquarters | , U.S. | 
| Area served | Most of United States | 
| Key people | 
 | 
| Revenue | US$ 4.657 billion (2023) | 
| US$ 426.0 million (2023) | |
| US$ 414.7 million (2023) | |
| Total assets | US$ 7.833 billion (2023) | 
| Total equity | US$ 2.905 billion (2023) | 
| Number of employees | 9,145 (2023) | 
| Subsidiaries | 
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| Website | mdu | 
MDU Resources Group, Inc. is a U.S.-based corporation supplying products and services to regulated energy delivery and utilities related construction materials and services businesses. It is headquartered in Bismarck, North Dakota, and operates in 48 states.