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CIK 0000067716 · Large accelerated filer

MDU RESOURCES GROUP INC

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Ticker
MDU
Exchange
NYSE
Industry
Natural Gas Distribution
FY end
Dec 31
Entity type
operating
EIN
301133956
Phone
701-530-1000
Business address
1200 WEST CENTURY AVENUE, BISMARCK, ND, 58503
Former names
MDU RESOURCES GROUP INC
  1. S-3ASR Offering Registration Statement
  2. S-8 Other Securities Offered to Employees in Benefit Plans
  3. 8-A12B/A Other Registration Statement
  4. 11-K Other Annual Report
  5. SD Other Specialized Disclosure
  6. S-3ASR Offering Registration Statement
  7. ARS Other Annual Report to Security Holders
  8. 11-K Other Annual Report
  9. ARS Other Annual Report to Security Holders
  10. 11-K Other Annual Report
  11. ARS Other Annual Report to Security Holders
  12. S-8 POS Other Post-effective Amendment
  13. S-8 POS Other Post-effective Amendment
  14. S-3ASR Offering Registration Statement
  15. 11-K Other Annual Report
  16. S-3ASR Offering Registration Statement
  17. ARS Other Annual Report to Security Holders
  18. NO ACT Other No Action Letter
  19. 11-K Other Annual Report
  20. S-8 POS Other Post-effective Amendment

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