On the Record · MDU Resources
MDU Resources subsidiaries, as it lists them
The subsidiaries MDU Resources lists in its latest annual report, with the jurisdiction of each, linked to the filing.
Subsidiaries it lists
| Subsidiary | Jurisdiction |
|---|---|
| Cascade Natural Gas Corporation | Washington |
| CEHI, LLC | Delaware |
| Centennial Holdings Capital LLC | Delaware |
| Fidelity Exploration & Production Company | Delaware |
| FutureSource Capital Corp. | Delaware |
| Intermountain Gas Company | Idaho |
| InterSource Insurance Company | Vermont |
| MDU BenefitCo II, Inc. | Delaware |
| MDU BenefitCo, LLC | Delaware |
| MDU BPT BenefitCo, Inc. | Delaware |
| MDU Energy Capital, LLC | Delaware |
| Montana-Dakota Utilities Co. | Delaware |
| Prairie Cascade Energy Holdings, LLC | Delaware |
| Prairie Intermountain Energy Holdings, LLC | Delaware |
| WBI Canadian Pipeline, Ltd. | Federally Chartered |
| WBI Energy Midstream, LLC | Colorado |
| WBI Energy Transmission, Inc. | Delaware |
| WBI Energy, Inc. | Delaware |
| WBI Holdings, Inc. | Delaware |
From Exhibit 21 of the 10-K for 2025. Companies must list their significant subsidiaries there and may leave out smaller ones, so this is the company’s own list, not every entity it owns.
Read from MDU Resources’s annual reports (10-K for 2025, 10-K for 2024, 10-K for 2023) and the financial data it files with the SEC, as of 2026-02-20. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.