North Dakota 401(k) plans
214
Large 401(k) plans headquartered in North Dakota are in 401(k) Monitor’s published set, holding $16.5B in total, led on headcount by Sanford Retirement Savings Plan with 33,144 active participants. Computed from DOL Form 5500 filings, plan years 2024–2025.
State means the sponsor’s address on the filing, not where employees work. The figures above read all 214 of the form-year-2024 DOL EFAST2 filings from North Dakota, so they are every plan of that size filed from the state; 6 of them have a page of their own here. A plan with fewer than 100 participants files a shorter form and is not in this data at all.
6 of the biggest 401(k) plans headquartered in North Dakota
| # | Plan | City | Active participants | Assets |
|---|---|---|---|---|
| 1 | Sanford Retirement Savings Plan | Fargo | 33,144 | $3.6B |
| 2 | Scheels All Sports, Inc. 401(k) Plan | Fargo | 8,298 | $33.5M |
| 3 | Knife River Corporation 401(k) Retirement Plan | Bismarck | 5,546 | $856.4M |
| 4 | Offutt Companies 401(k) Savings Plan | Fargo | 5,284 | $592.0M |
| 5 | Triniplus Retirement Plan | Minot | 2,366 | $407.3M |
| 6 | Eide Ford Lincoln Mercury, Inc. Salary Deferral 401(k) Profit Sharing Plan | Bismarck | 707 | $11.6M |
Every North Dakota plan page, by size
The table above is the top of the list. These 3 pages hold the 6 published plan pages from North Dakota, out of 214 filings of that kind in the data, split by how many people are in them, each ranked by active participants.
- 100 to 499 participants · 1 plans
- 1,000 to 4,999 participants · 1 plans
- 5,000 or more participants · 4 plans
401(k) fees in North Dakota vs the national median
| North Dakota medianAcross the 209 North Dakota plans in our set with usable fee data. | $166.89 per participant |
|---|---|
| National medianAcross 54,782 published plans with usable fee data. | $122.17 per participant |
| Difference | $44.72 above the national median |
Plan-paid means fees the plan itself reports on Schedule H; many employers pay providers directly, which a filing reports as $0. How to judge your own plan: are your 401(k) fees high?
North Dakota employers with a match dossier
These North Dakota-headquartered plans also file an SEC Form 11-K, so the employer’s match formula, vesting and eligibility are extracted on a company page.
- MDU RESOURCES GROUP INC 401(k) match
Mdu Resources Group, Inc. 401(k) Retirement Plan
Useful links
- All states
Plan counts, fees and largest plans, state by state.
- The largest 401(k) plans in the US
The national ranking these state tables are drawn from.
- Average 401(k) fees by plan size
Fees depend on plan size more than on state.
Cite: 401(k) Monitor, “North Dakota 401(k) plans: largest plans and fees”, computed from DOL EFAST2 Form 5500 bulk data, plan years 2024–2025, published set of 57,824 plans, data as of July 28, 2026.