Largest by Revenue Nonprofits in Oklahoma

Largest by Revenue nonprofit rankings for Oklahoma. 100 organizations with $3.0B in combined revenue. Updated 2026 IRS 990 data.

100Organizations
$3.0BTotal Revenue
$5.7BTotal Assets
88/100Avg Score

Largest by Revenue Rankings for Oklahoma (100)

#OrganizationCityRevenueAssetsScore
1 Oklahoma City Community Foundation Inc Oklahoma City $315.2M $974.0M
2 Delta Dental Plan Of Oklahoma Oklahoma City $307.6M $116.7M
3 Community Strategies Inc Oklahoma City $266.3M $54.5M 92/100
4 Saint Francis Hospital South Llc Tulsa $228.7M $249.6M 88/100
5 Integris Health Edmond Inc Oklahoma City $138.8M $221.4M
6 Hardesty Family Foundation Inc Tulsa $85.3M $142.2M 85/100
7 Museum Of The Bible Inc Oklahoma City $74.3M $442.8M
8 Stigler Health And Wellness Center Inc Stigler $60.0M $66.0M 92/100
9 Santa Fe South Schools Inc Oklahoma City $58.2M $9.5M
10 Rha Anadarko Llc Anadarko $48.6M $13.2M
11 Cancer Centers Of Southwest Oklahoma Llc Lawton $48.3M $43.7M 85/100
12 Islands Hospice Inc Tulsa $44.0M $5.5M
13 Kathleen S Craft Foundation Tulsa $41.0M $131.2M
14 Rha Stroud Inc Stroud $39.2M $14.0M
15 Cowboy Athletics Inc Stillwater $39.1M $71.4M 65/100
16 William S Smith Charitable Tr Tulsa $38.4M $77.4M
17 National Cowboy And Western Heritage Museum Inc Oklahoma City $38.4M $136.2M
18 Oklahoma City Firefighters Health And Welfare Trust Veba Oklahoma City $32.3M $42.8M 95/100
19 William K Warren Medical Research Center Inc Tulsa $30.4M $371.4M
20 Oklahoma Skynet Inc Midwest City $28.9M $4.2M
21 Usa Softball Inc Oklahoma City $28.6M $35.4M
22 Oklahoma Receivership Office Inc Oklahoma City $28.5M $94.6M 85/100
23 Oklahoma City Other Post Employment Benefits Tr Oklahoma City $28.0M $110.2M
24 Mercy Hospital Logan County Inc Guthrie $27.3M $5.9M
25 Tulsa Educare Inc Tulsa $25.8M $33.6M 90/100
26 Pawhuska Hospital Inc Pawhuska $25.4M $6.0M
27 Osma Health Health Plans Oklahoma City $25.1M $9.7M
28 Compatible Lands Foundation Inc Pryor $24.6M $13.1M
29 Ketchum Charitable Foundation Inc Tulsa $23.6M $54.3M
30 Hope Center Ministries Oklahoma City $21.6M $28.8M 92/100
31 Caring Hands Healthcare Centers Inc Mcalester $21.2M $17.1M 85/100
32 Coretz Family Foundation Tulsa $21.0M $59.1M 90/100
33 Zink Family Foundation Broken Arrow $20.3M $49.8M
34 Oklahoma Humane Society Oklahoma City $20.2M $19.6M 88/100
35 Aca Cleveland Area Hospital Cleveland $20.1M $13.0M
36 East Central University Foundation Inc Ada $19.2M $76.7M
37 Family Health Center Of Southern Oklahoma Inc Tishomingo $18.6M $13.7M 88/100
38 Great Salt Plains Health Center Inc Cherokee $18.3M $15.1M 95/100
39 Tulsa Fop 93 Health And Welfare Tr Tulsa $18.0M $13.5M
40 Osteopathic Medical Education Consortium Of Oklahoma Inc Tulsa $17.2M $4.3M
41 Hope Is Alive Ministries Inc Oklahoma City $16.9M $28.4M
42 National Reining Horse Association Oklahoma City $16.5M $17.5M
43 Yot Full Circle Foundation Tulsa $15.6M $28.4M
44 Valir Pace Foundation Oklahoma City $15.5M $3.2M
45 Elpis Foundation Tulsa $14.9M $9.1M 90/100
46 Community Health Connection Inc Tulsa $14.8M $12.5M
47 Oklahoma Partnership For School Readiness Foundation Inc Oklahoma City $14.1M $5.3M
48 Gilcrease Museum Management Trust Tulsa $13.7M $58.5M
49 Land Legacy Tulsa $13.5M $107.0M
50 Stand For The Silent Inc Perkins $13.4M $1.0M
51 Lyon Foundation Bartlesville $13.4M $54.1M
52 Myhealth Access Network Inc Tulsa $13.3M $8.3M
53 Cameron Family Foundation Oklahoma City $13.3M $35.9M
54 Central Oklahoma Workforce Investment Board Inc Oklahoma City $13.2M $1.9M 75/100
55 City Of Muskogee Foundation Oklahoma City $12.9M $156.7M
56 Francis And Kathleen Rooney Foundation Tulsa $12.5M $48.0M 95/100
57 Tulsa Performing Arts Center Trust Tulsa $12.4M $18.1M
58 Mary K Oxley Foundation Tulsa $12.0M $22.7M
59 Water 4 Inc Oklahoma City $11.9M $15.7M
60 Homeless Alliance Oklahoma City $11.8M $10.3M 90/100
61 Kiamichi Family Medical Center Inc Broken Bow $11.0M $15.0M
62 Mercy Hospital Tishomingo Inc Tishomingo $10.9M $2.5M
63 Mercy Hospital Healdton Inc Healdton $10.8M $1.8M
64 Mercy Hospital Watonga Inc Watonga $10.6M $2.2M
65 Riversport Foundation Oklahoma City $10.3M $16.6M 75/100
66 Morningcrest Healthcare Foundation Tulsa $10.3M $107.9M
67 Reach Now International Inc Tulsa $9.4M $33K 92/100
68 Seasons Hospice Inc Tulsa $9.4M $820K 75/100
69 Iron Gate Inc Tulsa $9.4M $14.0M 98/100
70 Common Bond Foundation Jenks $9.4M $26.0M
71 Maxine And Jack Zarrow Family Foundation Tulsa $9.3M $50.3M
72 Williams Companies Foundaton Inc Tulsa $8.9M $63.6M
73 One Gas Inc Veba Master Tr Tulsa $8.8M $90.2M
74 River Parks Authority Tulsa $8.8M $367.2M
75 Lou And Connie Miller Charitable Foundation Tulsa $8.7M $19.3M 90/100
76 Wings Special Needs Adult Community Edmond $8.7M $28.0M 90/100
77 The Spero Project Inc Oklahoma City $8.6M $2.6M
78 Arkansas Verdigris Valley Health Centers Inc Porter $8.5M $5.9M 92/100
79 Tulsa Legacy Charter School Inc Tulsa $8.3M $4.4M
80 Family Safety Center Tulsa $8.3M $20.2M
81 Tulsa Childrens Museum Tulsa $8.1M $37.3M
82 Oklahoma Educational Technology Tr Oklahoma City $8.0M $44.3M
83 John W Rex Charter Elementary School Inc Oklahoma City $7.6M $1.6M
84 Rita L Willis Foundation Tulsa $7.4M $157K
85 Oneok Inc Veba Health And Welfare Tulsa $7.3M $12.4M
86 Dobson Family Foundation Oklahoma City $7.1M $9.5M
87 Delta Dental Of Oklahoma Foundation Oklahoma City $7.0M $10.4M
88 Kipp Tulsa Academy College Preparatory Inc Tulsa $6.9M $2.3M 95/100
89 Cameron University Foundation Inc Lawton $6.8M $37.6M
90 Oklahoma Rural Water Association Inc Oklahoma City $6.8M $8.7M
91 Regional Food Bank Foundation Oklahoma City $6.7M $46.7M
92 E Phil & Roberta Kirschner Affilated Fund Of The Oklahoma Cit Oklahoma City $6.6M $26.6M
93 Tulsa Community College Foundation Tulsa $6.4M $22.8M
94 Ballet Oklahoma Inc Oklahoma City $6.4M $12.2M
95 Northeastern State University Foundation Inc Tahlequah $6.4M $55.4M
96 Toby Keith Foundation Inc Norman $6.2M $15.3M 92/100
97 Flint Family Foundation Tulsa $6.1M $27.5M
98 Kipp Okc Public Schools Oklahoma City $6.0M $532K
99 Astec Fund Inc Oklahoma City $6.0M $21.8M
100 Its My Community Initiative Oklahoma City $5.9M $2.8M

Frequently Asked Questions

What are the largest by revenue nonprofits in Oklahoma?

There are 100 nonprofits in Oklahoma ranked by largest by revenue, with $3.0B in combined annual revenue.

How are Oklahoma nonprofit rankings determined?

Rankings are based on the latest IRS 990 filing data. The biggest nonprofits ranked by total annual revenue. Each organization is ranked relative to other Oklahoma nonprofits.

How do Oklahoma nonprofits compare nationally?

Oklahoma has 100 organizations in this ranking category. View the national largest by revenue rankings for broader context.

Where can I find more nonprofit data for Oklahoma?

Visit our Oklahoma state page for a complete overview of all nonprofits, or explore specific categories and cities within Oklahoma.

Other Rankings for Oklahoma

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