New Hampshire 401(k) plans
271
Large 401(k) plans headquartered in New Hampshire are in 401(k) Monitor’s published set, holding $11.6B in total, led on headcount by C&S And Affiliates 401(k) Savings Plan (A) with 10,534 active participants. Computed from DOL Form 5500 filings, plan years 2021–2025.
State means the sponsor’s address on the filing, not where employees work. Our published set covers 57,824 of the 57,824 large plans in the form-year-2024 DOL EFAST2 bulk data, so this is the largest-plan end of New Hampshire, not a census of it.
10 of the biggest 401(k) plans headquartered in New Hampshire
| # | Plan | City | Active participants | Assets |
|---|---|---|---|---|
| 1 | C&S And Affiliates 401(k) Savings Plan (A) | Keene | 10,534 | $670.5M |
| 2 | New England Teamsters Savings And Investment Plan | Manchester | 6,528 | $67.3M |
| 3 | American Hospitality Associations 401(k) Plan | Concord | 3,265 | $32.5M |
| 4 | Sig Sauer, Inc. 401(k) Plan | Newington | 3,253 | $198.8M |
| 5 | Coca Cola Beverages Northeast, Inc. Incentive Savings Plan | Bedford | 2,768 | $400.2M |
| 6 | Ocean Properties Ltd. 401(k) Plan | Portsmouth | 2,757 | $42.7M |
| 7 | Planet Fitness 401(k) Plan | Hampton | 2,683 | $37.3M |
| 8 | Connection Employee 401(k) And Profit Sharing Plan | Merrimack | 2,596 | $438.8M |
| 9 | Win Waste Innovations 401(k) Plan | Portsmouth | 2,156 | $189.3M |
| 10 | Albany International Corp. Prosperity Plus Savings Plan | Rochester | 2,041 | $481.4M |
Every New Hampshire plan, by size
The table above is the top of the list. These 4 pages hold all 271 plans on file from New Hampshire, split by how many people are in them, each ranked by active participants.
- 100 to 499 participants · 192 plans
- 500 to 999 participants · 41 plans
- 1,000 to 4,999 participants · 36 plans
- 5,000 or more participants · 2 plans
401(k) fees in New Hampshire vs the national median
| New Hampshire medianAcross the 257 New Hampshire plans in our set with usable fee data. | $122.11 per participant |
|---|---|
| National medianAcross 54,783 published plans with usable fee data. | $122.17 per participant |
| Difference | $0.06 below 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?
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, “New Hampshire 401(k) plans: largest plans and fees”, computed from DOL EFAST2 Form 5500 bulk data, plan years 2021–2025, published set of 57,824 plans, data as of July 28, 2026.