Nonprofits in Oklahoma

Browse and explore nonprofit organizations in Oklahoma

100 organizations
Oklahoma is home to 2,887 nonprofit organizations with publicly available IRS Form 990 data. Together, these organizations report a combined annual revenue of $11.6 billion, reflecting the scale and economic impact of the nonprofit sector in Oklahoma. The largest nonprofit by revenue is Saint Francis Hospital Inc, reporting $1.5 billion in its most recent Form 990 filing. Use the rankings and directory below to explore nonprofits in Oklahoma by revenue, city, or founding year.
Top Nonprofits by Revenue
# Organization Revenue Assets
1 Saint Francis Hospital Inc
EIN: 730700090 · Tulsa, OK
$1.5B $3.7B
2 INTEGRIS BAPTIST MEDICAL CENTER INC
EIN: 731034824 · OKLAHOMA CITY, OK
$1.2B $1.9B
3 MERCY HOSPITAL OKLAHOMA CITY
EIN: 730579285 · OKLAHOMA CITY, OK
$810.2M $626.2M
4 George Kaiser Family Foundation
EIN: 731574370 · Tulsa, OK
$736.2M $4.9B
5 St John Medical Center Inc
EIN: 730579286 · Tulsa, OK
$578.6M $300.5M
6 INTEGRIS Health INC
EIN: 731192764 · OKLAHOMA CITY, OK
$483.8M $2.2B
7 COMMUNITYCARE GOVERNMENT PROGRAMS INC
EIN: 472532880 · TULSA, OK
$475.4M $73.2M
8 OKLAHOMA CITY COMMUNITY FOUNDATION INC
EIN: 237024262 · OKLAHOMA CITY, OK
$387.3M $1.1B
9 FEED THE CHILDREN INC
EIN: 736108657 · OKLAHOMA CITY, OK
$386.4M $133.3M
10 INTEGRIS So Oklahoma City Hosp Corp dba INTEGRIS Southwest Medical Center I nc
EIN: 731089149 · Oklahoma City, OK
$358.5M $273.5M
11 INTEGRIS Ambulatory Care Corp
EIN: 731192765 · Oklahoma City, OK
$339.7M $294.7M
12 TULSA COMMUNITY FOUNDATION
EIN: 731554474 · TULSA, OK
$329.5M $942.7M
13 INTEGRIS RURAL HEALTH INC
EIN: 731444504 · OKLAHOMA CITY, OK
$303.1M $266.6M
14 UNIVERSITY OF TULSA
EIN: 730579298 · TULSA, OK
$301.8M $1.6B
15 DELTA DENTAL PLAN OF OKLAHOMA
EIN: 237322578 · OKLAHOMA CITY, OK
$281.4M $113.2M
16 Oklahoma State University Foundation
EIN: 736097060 · STILLWATER, OK
$272.9M $1.7B
17 UNIVERSITY OF OKLAHOMA FOUNDATION INC
EIN: 736091755 · NORMAN, OK
$243.4M $2.6B
18 COMMUNITY STRATEGIES INC DBA EPIC CHARTER SCHOOLS
EIN: 202774826 · OKLAHOMA CITY, OK
$240.2M $80.2M
19 WARREN CLINIC INC
EIN: 731310891 · TULSA, OK
$238.5M $162.9M
20 Saint Francis Hospital Muskogee Inc
EIN: 814322087 · Tulsa, OK
$233.6M $317.9M
21 Saint Francis Hospital South LLC
EIN: 010603214 · Tulsa, OK
$227.2M $249.6M
22 MERCY CLINIC OKLAHOMA COMMUNITIESINC
EIN: 270473057 · OKLAHOMA CITY, OK
$225.7M $39.1M
23 Duncan Regional Hospital
EIN: 731008550 · Duncan, OK
$225.7M $292.0M
24 MERCY HOSPITAL ARDMORE
EIN: 731500629 · ARDMORE, OK
$202.4M $95.2M
25 ORAL ROBERTS UNIVERSITY
EIN: 730739626 · TULSA, OK
$197.5M $323.3M
26 Grand Lake Mental Health Center Inc
EIN: 731039733 · Nowata, OK
$190.9M $86.8M
27 INTEGRIS Health Edmond Inc
EIN: 451027361 · Oklahoma City, OK
$170.6M $234.1M
28 Family & Childrens Services Inc
EIN: 730580270 · Tulsa, OK
$156.7M $151.9M
29 Oklahoma Blood Institute
EIN: 731008735 · Oklahoma City, OK
$155.9M $119.9M
30 MERCY HOSPITAL ADA INC
EIN: 462288155 · ADA, OK
$154.3M $68.5M
31 St John Health System Inc
EIN: 731215174 · Tulsa, OK
$148.1M $1.6B
32 OKLAHOMA CITY UNIVERSITY
EIN: 730579265 · OKLAHOMA CITY, OK
$133.8M $388.7M
33 TTCU FEDERAL CREDIT UNION
EIN: 730489468 · TULSA, OK
$133.1M $2.7B
34 The Children's Center Inc
EIN: 730580264 · Bethany, OK
$122.1M $159.6M
35 REGIONAL FOOD BANK OF OKLAHOMA INC
EIN: 731100380 · OKLAHOMA CITY, OK
$121.3M $36.4M
36 Jane Phillips Memorial Medical Center
EIN: 730606129 · Bartlesville, OK
$117.8M $54.3M
37 Variety Care Inc
EIN: 731088577 · OKLAHOMA CITY, OK
$117.3M $97.8M
38 Oklahoma Medical Research Foundation
EIN: 730580274 · Oklahoma City, OK
$114.3M $485.9M
39 HOBBY LOBBY STORES INC MEDICAL & DENTAL PLAN TRUST
EIN: 731323414 · OKLAHOMA CITY, OK
$104.8M $0
40 TRI-COUNTY ELECTRIC COOPERATIVE INC
EIN: 730539914 · HOOKER, OK
$103.8M $359.2M
41 CREOKS MENTAL HEALTH SERVICES
EIN: 731108774 · TULSA, OK
$102.9M $64.0M
42 VERDIGRIS VALLEY ELECTRIC COOPERATIVE INC
EIN: 730495962 · COLLINSVILLE, OK
$93.6M $238.5M
43 CENTRAL OKLAHOMA AMERICAN INDIAN HEALTH COUNCIL INC
EIN: 730955756 · OKLAHOMA CITY, OK
$92.6M $110.2M
44 NORTHEAST OKLAHOMA ELECTRIC COOPERATIVE INC
EIN: 730375582 · VINITA, OK
$90.2M $0
45 CKENERGY ELECTRIC COOPERATIVE INC
EIN: 474815587 · BINGER, OK
$87.2M $210.4M
46 COTTON ELECTRIC COOPERATIVE INC
EIN: 730199463 · WALTERS, OK
$83.2M $187.2M
47 NATIONAL RURAL WATER ASSOCIATION
EIN: 731006395 · DUNCAN, OK
$81.8M $89.1M
48 Canadian Valley Electric Cooperative Inc
EIN: 730171526 · SEMINOLE, OK
$78.5M $228.0M
49 CENTRAL RURAL ELECTRIC COOPERATIVE INC
EIN: 730177775 · STILLWATER, OK
$77.6M $303.8M
50 CIMARRON ELECTRIC COOPERATIVE INC
EIN: 730195455 · KINGFISHER, OK
$76.0M $189.3M
51 OKLAHOMA BAPTIST UNIVERSITY
EIN: 730579264 · SHAWNEE, OK
$76.0M $336.6M
52 LAKE REGION ELECTRIC COOPERATIVE INC
EIN: 730579543 · HULBERT, OK
$74.4M $274.9M
53 Citgo Petroleum Corporation Employees' Benefit Trust
EIN: 731188322 · Tulsa, OK
$73.8M $33.0M
54 CENTRAL OKLAHOMA FAMILY MEDICAL CENTER INC
EIN: 731223304 · KONAWA, OK
$73.7M $33.3M
55 Oklahoma Mental Health Council
EIN: 736111618 · Oklahoma City, OK
$73.3M $110.6M
56 Oklahoma Christian University
EIN: 730555460 · OKLAHOMA CITY, OK
$73.3M $121.4M
57 COMMUNITY ACTION PROJECT OF TULSA COUNTY INC
EIN: 731019247 · TULSA, OK
$67.9M $74.8M
58 EAST CENTRAL OKLAHOMA ELECTRIC
EIN: 730224017 · OKMULGEE, OK
$67.2M $0
59 INDIAN ELECTRIC COOPERATIVE INC
EIN: 730297135 · CLEVELAND, OK
$66.1M $185.5M
60 FOLDS OF HONOR FOUNDATION
EIN: 753240683 · OWASSO, OK
$65.5M $109.1M
61 St John Broken Arrow Inc
EIN: 383833117 · Tulsa, OK
$64.9M $91.5M
62 SOUTHERN NAZARENE UNIVERSITY
EIN: 730587210 · BETHANY, OK
$64.9M $114.3M
63 COMMUNITY FOOD BANK OF EASTERN OKLAHOMA INC
EIN: 731184980 · TULSA, OK
$61.1M $55.0M
64 STIGLER HEALTH & WELLNESS CENTER INC
EIN: 200368759 · STIGLER, OK
$60.0M $66.0M
65 CHOCTAW ELECTRIC COOPERATIVE INC
EIN: 730182325 · HUGO, OK
$59.3M $151.2M
66 PIPELINE INDUSTRY BENEFIT FUND
EIN: 730742835 · TULSA, OK
$58.7M $99.5M
67 SANTA FE SOUTH SCHOOLS INC
EIN: 300118733 · Oklahoma City, OK
$58.3M $8.3M
68 RURAL ELECTRIC COOPERATIVE INC
EIN: 730431276 · LINDSAY, OK
$56.9M $99.7M
69 MUSEUM OF THE BIBLE
EIN: 273444987 · OKLAHOMA CITY, OK
$56.0M $447.4M
70 GOODWILL INDUSTRIES OF CENTRAL OKLAHOMA INC
EIN: 730641590 · OKLAHOMA CITY, OK
$54.6M $70.9M
71 DEAN MCGEE EYE INSTITUTE
EIN: 736109395 · OKLAHOMA CITY, OK
$53.6M $45.4M
72 Farmers Union Hospital Association
EIN: 730579295 · Elk City, OK
$52.9M $63.7M
73 LAUREATE PSYCHIATRIC CLINIC AND HOSPITALINC
EIN: 731308273 · TULSA, OK
$52.7M $119.4M
74 KIAMICHI ELECTRIC COOPERATIVE INC
EIN: 730539216 · WILBURTON, OK
$52.1M $129.6M
75 MONTEREAU INC
EIN: 731571795 · TULSA, OK
$52.0M $194.4M
76 YOUNG MEN'S CHRISTIAN ASSOCIATION OF GREATER OKLAHOMA CITY
EIN: 730579270 · OKLAHOMA CITY, OK
$50.7M $68.4M
77 SAINT FRANCIS HEALTH SYSTEM GENERAL PROFESSIONAL LIABILITY TRUST
EIN: 756583874 · Tulsa, OK
$49.8M $67.3M
78 THE PHYSICIAN'S HOSPITAL IN ANADARKO
EIN: 260532528 · ANADARKO, OK
$48.6M $13.2M
79 Cancer Centers of Southwest Oklahoma
EIN: 203315309 · LAWTON, OK
$48.3M $43.7M
80 Red River Valley Rural Electric Association
EIN: 730417655 · Marietta, OK
$48.3M $91.7M
81 TRUE SKY CREDIT UNION
EIN: 730564572 · OKLAHOMA CITY, OK
$47.3M $831.3M
82 J A Leta M Chapman TR 486002AC2
EIN: 736112228 · TULSA, OK
$46.7M $974.6M
83 NOBLE RESEARCH INSTITUTE LLC
EIN: 730606209 · ARDMORE, OK
$45.8M $138.2M
84 DOVE SCHOOLS INC
EIN: 813518666 · Oklahoma City, OK
$44.0M $22.1M
85 OKLAHOMAS CREDIT UNION
EIN: 736093655 · Oklahoma City, OK
$43.5M $795.9M
86 SOUTHEASTERN ELECTRIC COOPERATIVE INC
EIN: 730457520 · DURANT, OK
$42.9M $91.7M
87 INTEGRIS Health Ponca City Hospital Inc
EIN: 932949739 · Oklahoma City, OK
$42.5M $28.8M
88 KAY ELECTRIC COOPERATIVE INC
EIN: 730308955 · BLACKWELL, OK
$42.0M $103.3M
89 COOKSON HILLS ELECTRIC COOPERATIVE INC
EIN: 730543457 · STIGLER, OK
$41.8M $153.5M
90 NORTHWESTERN ELECTRIC COOPERATIVE INC
EIN: 730375825 · WOODWARD, OK
$41.0M $130.5M
91 Lighthouse Behavioral Wellness Centers
EIN: 730618672 · Ardmore, OK
$40.6M $23.4M
92 INDEPENDENT OPPORTUNTIES INC OF OKLAHOMA
EIN: 742547238 · TULSA, OK
$39.7M $27.4M
93 KI BOIS COMMUNITY ACTION FOUNDATION
EIN: 730770231 · STIGLER, OK
$39.4M $31.8M
94 STROUD REGIONAL MEDICAL CENTER
EIN: 260532635 · STROUD, OK
$39.2M $14.0M
95 Mid-America Christian University Inc
EIN: 741196134 · Oklahoma City, OK
$38.6M $45.4M
96 COMMUNITIES FOUNDATION OF OKLAHOMA
EIN: 731396320 · OKLAHOMA CITY, OK
$38.5M $204.0M
97 OKLAHOMA CITY FIRE FIGHTERS HEALTH AND WELFARE FUND
EIN: 134219776 · OKLAHOMA CITY, OK
$37.6M $41.7M
98 Owasso Medical Facility Inc
EIN: 203700131 · Tulsa, OK
$36.9M $44.3M
99 North Oklahoma County Mental Health Center
EIN: 731134098 · Oklahoma City, OK
$36.0M $28.1M
100 COWBOY ATHLETICS INC
EIN: 020669448 · STILLWATER, OK
$35.8M $71.4M
Data from IRS Form 990 filings. Click an organization name to view full details. © 2026 990 Finder by Trantor SpA.