Find an old Mdu Resources Group 401(k)
Mdu Resources Group, Inc. 401(k) Retirement Plan
Mdu Resources Group, Inc. · Plan 004 · EIN 30-1133956 · Bismarck, ND
| Plan administrator | Mdu Resources Group, Inc. Employee Benefits Committee P.O. Box 5650, Bismarck, ND 58506-5650 | Form 5500 ↗ |
| Recordkeeper (who holds the accounts) | Principal Life Insurance Company | Schedule C ↗ |
| Former employees with balances | 546 separated participants still had money in the plan | Form 5500 ↗ |
Mdu Resources Group, Inc. Pension Plan for Non-Bargaining Unit Employees
Mdu Resources Group, Inc. · Plan 001 · EIN 30-1133956 · Bismarck, ND
| Plan administrator | Employee Benefits Committee C/O Mdu Resources Group, Inc. 1200 West Century Avenue, Bismarck, ND 58503 | Form 5500 ↗ |
| Recordkeeper (who holds the accounts) | Principal Trust Company | Schedule C ↗ |
| Former employees with balances | 62 separated participants still had money in the plan | Form 5500 ↗ |
Mdu Resources Group 401(k) match, vesting and fees →
Found it? Your options
| Leave it | Often allowed if your balance is over $7,000. You keep the plan's investments and fees. |
| Move it to your new job's plan | If the new plan accepts roll-ins. Ask the new plan's recordkeeper. |
| Roll it into an IRA | More investment choices, and you control it. A direct rollover avoids withholding and penalties. |
| Cash out | Usually taxed, plus a 10% penalty if you are under 59½. |
General information, not financial or tax advice. Rules depend on your plan and situation.
How to track down the account
- Call the plan administrator or recordkeeper listed on the filing. Have your name, Social Security number and dates of employment ready.
- If the plan terminated, ask the administrator where balances went (another plan, an IRA provider, or a state unclaimed-property office).
- Over 65? Also check the Department of Labor's Retirement Savings Lost and Found database.
Common questions
How do I find my old Mdu Resources Group 401(k)?
Contact the plan administrator listed on the plan's Form 5500 filing: Mdu Resources Group, Inc. Employee Benefits Committee, (701) 530-1000. The accounts are held by the recordkeeper, Principal Life Insurance Company. Have your Social Security number and dates of employment ready.
What is the Mdu Resources Group 401(k) phone number?
The plan administrator phone number on the plan year 2025 filing is (701) 530-1000.
Contacts are as filed on each plan's latest Form 5500 and may be out of date. PlanFacts is not affiliated with Mdu Resources Group and does not hold accounts. Not financial advice. Report a correction