MDU Resources Group Inc (NYSE:MDU) announced that its subsidiary, WBI Energy, Inc., has sold Dakota Prairie Refining LLC to Tesoro Refining & Marketing Company …
MDU Resources Group Inc (NYSE:MDU) announced that Peggy A. Link has been named chief information officer, effective Jan.
On the eve of its March 5th analyst day, MDU Resources Group Inc (NYSE:MDU) was trading 35% lower than a year ago. Investors …
