Oklahoma 401(k) plans

Name: Oklahoma 401(k) plans: assets, participants and plan-paid fees
Creator: 401(k) Monitor
License: https://401kmonitor.com/licence/

563

Large 401(k) plans headquartered in Oklahoma are in 401(k) Monitor’s published set, holding $37.0B in total, led on headcount by Express Employment Professionals 401(k) Retirement Savings Plan with 400,408 active participants. Computed from DOL Form 5500 filings, plan years 2019–2025.

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 Oklahoma, not a census of it.

15 of the biggest 401(k) plans headquartered in Oklahoma

The plans this site submits to search engines come first, then the rest; each group is ranked by active participants, the people still building up a balance. plan years 2019–2025, DOL EFAST2 bulk data. Assets in USD. Every plan links to its full fact page.
#	Plan	City	Active participants	Assets
1	Express Employment Professionals 401(k) Retirement Savings Plan	Oklahoma City	400,408	$2.5M
2	Savings Incentive And Profit Sharing Plan For Employees Of The Hobby Lobby Group	Oklahoma City	31,651	$563.8M
3	Quiktrip Corporation Retirement Plan	Tulsa	13,644	$4.8B
4	401(k) Retirement Savings Plan For Integris Health, Inc.	Oklahoma City	13,354	$297.2M
5	Choctaw Nation Of Oklahoma Thrift Plan	Durant	13,025	$424.7M
6	Saint Francis Health System, Inc. 401(k) Savings P	Tulsa	12,219	$1.0B
7	Ou Health 401(k) Plan	Oklahoma City	9,546	$591.5M
8	Cherokee Nation Businesses LLC 401(k) Plan	Catoosa	8,512	$492.0M
9	Chickasaw Nation Governmental Enterprises 401(k) Plan	Ada	8,384	$382.9M
10	Paycom 401(k) Plan	Oklahoma City	7,073	$322.4M
11	The Helmerich & Payne, Inc. 401(k)/Thrift Plan	Tulsa	6,200	$844.3M
12	The Williams Investment Plus Plan	Tulsa	5,692	$2.0B
13	Oneok, Inc. 401(k) Plan	Tulsa	5,150	$1.4B
14	Bok Financial 401(k) Plan	Tulsa	4,961	$1.2B
15	Aaon, Inc. Savings And Investment Plan	Tulsa	4,648	$448.8M

Every Oklahoma plan, by size

The table above is the top of the list. These 5 pages hold all 563 plans on file from Oklahoma, split by how many people are in them, each ranked by active participants.

100 to 499 participants · 383 plans
Pages1 2
500 to 999 participants · 92 plans
1,000 to 4,999 participants · 70 plans
5,000 or more participants · 18 plans

401(k) fees in Oklahoma vs the national median

Plan-paid administrative cost per participant, plan years 2019–2025 Form 5500 filings. Medians over our published set, not the full universe.
Oklahoma medianAcross the 537 Oklahoma plans in our set with usable fee data.	$116.45 per participant
National medianAcross 54,783 published plans with usable fee data.	$122.17 per participant
Difference	$5.72 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, “Oklahoma 401(k) plans: largest plans and fees”, computed from DOL EFAST2 Form 5500 bulk data, plan years 2019–2025, published set of 57,824 plans, data as of July 28, 2026.