Nonprofits in Oklahoma

Browse and explore nonprofit organizations in Oklahoma

100 organizations
Oklahoma is home to 2,904 nonprofit organizations with publicly available IRS Form 990 data. Together, these organizations report a combined annual revenue of $10.5 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 Trantor Score
1 Saint Francis Hospital Inc
EIN: 730700090 · Tulsa, OK
$1.5B $3.7B 695
2 INTEGRIS BAPTIST MEDICAL CENTER INC
EIN: 731034824 · OKLAHOMA CITY, OK
$1.2B $1.9B 615
3 MERCY HOSPITAL OKLAHOMA CITY
EIN: 730579285 · OKLAHOMA CITY, OK
$810.2M $626.2M 596
4 George Kaiser Family Foundation
EIN: 731574370 · Tulsa, OK
$736.2M $4.9B 670
5 St John Medical Center Inc
EIN: 730579286 · Tulsa, OK
$578.6M $300.5M 511
6 COMMUNITYCARE GOVERNMENT PROGRAMS INC
EIN: 472532880 · TULSA, OK
$475.4M $73.2M 572
7 INTEGRIS HEALTH INC
EIN: 731192764 · OKLAHOMA CITY, OK
$437.6M $2.2B 563
8 FEED THE CHILDREN INC
EIN: 736108657 · OKLAHOMA CITY, OK
$408.9M $172.8M 616
9 TULSA COMMUNITY FOUNDATION
EIN: 731554474 · TULSA, OK
$329.5M $942.7M 741
10 INTEGRIS SO OKLAHOMA CITY HOSPCORP D/B/A INTEGRIS SOUTHWEST MEDICAL CENTER
EIN: 731089149 · OKLAHOMA CITY, OK
$303.2M $242.5M 637
11 INTEGRIS RURAL HEALTH INC
EIN: 731444504 · OKLAHOMA CITY, OK
$303.1M $266.6M 587
12 UNIVERSITY OF TULSA
EIN: 730579298 · TULSA, OK
$301.8M $1.6B 600
13 DELTA DENTAL PLAN OF OKLAHOMA
EIN: 237322578 · OKLAHOMA CITY, OK
$281.4M $113.2M 595
14 INTEGRIS AMBULATORY CARE CORP
EIN: 731192765 · OKLAHOMA CITY, OK
$265.8M $219.6M 511
15 UNIVERSITY OF OKLAHOMA FOUNDATION INC
EIN: 736091755 · NORMAN, OK
$243.4M $2.6B 680
16 Oklahoma State University Foundation
EIN: 736097060 · STILLWATER, OK
$242.7M $1.6B 664
17 COMMUNITY STRATEGIES INC DBA EPIC CHARTER SCHOOLS
EIN: 202774826 · OKLAHOMA CITY, OK
$240.2M $80.2M 688
18 Warren Clinic Inc
EIN: 731310891 · Tulsa, OK
$231.5M $142.1M 499
19 Saint Francis Hospital South LLC
EIN: 010603214 · Tulsa, OK
$227.2M $249.6M 600
20 MERCY CLINIC OKLAHOMA COMMUNITIESINC
EIN: 270473057 · OKLAHOMA CITY, OK
$215.9M $39.8M 551
21 Duncan Regional Hospital
EIN: 731008550 · Duncan, OK
$214.3M $271.0M 614
22 Saint Francis Hospital Muskogee Inc
EIN: 814322087 · Tulsa, OK
$209.7M $166.0M 606
23 MERCY HOSPITAL ARDMORE
EIN: 731500629 · ARDMORE, OK
$202.4M $95.2M 650
24 ORAL ROBERTS UNIVERSITY
EIN: 730739626 · TULSA, OK
$192.9M $306.1M 656
25 Grand Lake Mental Health Center Inc
EIN: 731039733 · Nowata, OK
$190.9M $86.8M 621
26 Oklahoma Blood Institute
EIN: 731008735 · Oklahoma City, OK
$155.9M $119.9M 624
27 St John Health System Inc
EIN: 731215174 · Tulsa, OK
$148.1M $1.6B 559
28 INTEGRIS Health Edmond Inc
EIN: 451027361 · Oklahoma City, OK
$138.8M $221.4M 552
29 FAMILY & CHILDRENS SERVICES INC
EIN: 730580270 · TULSA, OK
$137.5M $128.1M 718
30 TTCU FEDERAL CREDIT UNION
EIN: 730489468 · TULSA, OK
$133.1M $2.7B 514
31 MERCY HOSPITAL ADA INC
EIN: 462288155 · ADA, OK
$118.2M $59.3M 606
32 Jane Phillips Memorial Medical Center
EIN: 730606129 · Bartlesville, OK
$117.8M $54.3M 535
33 REGIONAL FOOD BANK OF OKLAHOMA INC
EIN: 731100380 · OKLAHOMA CITY, OK
$115.6M $34.8M 648
34 Oklahoma Medical Research Foundation
EIN: 730580274 · Oklahoma City, OK
$114.3M $485.9M 632
35 OKLAHOMA CITY UNIVERSITY
EIN: 730579265 · OKLAHOMA CITY, OK
$112.3M $397.8M 608
36 HOBBY LOBBY STORES INC MEDICAL & DENTAL PLAN TRUST
EIN: 731323414 · OKLAHOMA CITY, OK
$104.8M $0 556
37 TRI-COUNTY ELECTRIC COOPERATIVE INC
EIN: 730539914 · HOOKER, OK
$103.8M $359.2M 532
38 CREOKS MENTAL HEALTH SERVICES
EIN: 731108774 · TULSA, OK
$98.3M $62.4M 640
39 VARIETY CARE INC
EIN: 731088577 · OKLAHOMA CITY, OK
$97.8M $88.0M 592
40 Oklahoma Baptist University
EIN: 730579264 · Shawnee, OK
$96.6M $326.6M 667
41 THE CHILDREN'S CENTER INC
EIN: 730580264 · BETHANY, OK
$95.9M $98.7M 589
42 VERDIGRIS VALLEY ELECTRIC COOPERATIVE INC
EIN: 730495962 · COLLINSVILLE, OK
$93.6M $238.5M 526
43 CENTRAL OKLAHOMA AMERICAN INDIAN HEALTH COUNCIL INC
EIN: 730955756 · OKLAHOMA CITY, OK
$92.6M $110.2M 715
44 NORTHEAST OKLAHOMA ELECTRIC COOPERATIVE INC
EIN: 730375582 · VINITA, OK
$90.2M $0 534
45 CKENERGY ELECTRIC COOPERATIVE INC
EIN: 474815587 · BINGER, OK
$87.2M $210.4M 546
46 COTTON ELECTRIC COOPERATIVE INC
EIN: 730199463 · WALTERS, OK
$83.2M $187.2M 544
47 NATIONAL RURAL WATER ASSOCIATION
EIN: 731006395 · DUNCAN, OK
$81.8M $89.1M 613
48 Canadian Valley Electric Cooperative Inc
EIN: 730171526 · SEMINOLE, OK
$78.5M $228.0M 539
49 OKLAHOMA CITY COMMUNITY FOUNDATION INC
EIN: 237024262 · OKLAHOMA CITY, OK
$77.8M $857.3M 584
50 CENTRAL RURAL ELECTRIC COOPERATIVE INC
EIN: 730177775 · STILLWATER, OK
$77.6M $303.8M 527
51 CIMARRON ELECTRIC COOPERATIVE INC
EIN: 730195455 · KINGFISHER, OK
$76.0M $189.3M 522
52 LAKE REGION ELECTRIC COOPERATIVE INC
EIN: 730579543 · HULBERT, OK
$74.4M $274.9M 503
53 Citgo Petroleum Corporation Employees' Benefit Trust
EIN: 731188322 · Tulsa, OK
$73.8M $33.0M 557
54 CENTRAL OKLAHOMA FAMILY MEDICAL CENTER INC
EIN: 731223304 · KONAWA, OK
$73.7M $33.3M 606
55 Oklahoma Mental Health Council
EIN: 736111618 · Oklahoma City, OK
$73.3M $110.6M 598
56 Oklahoma Christian University
EIN: 730555460 · OKLAHOMA CITY, OK
$70.4M $120.9M 566
57 COMMUNITY ACTION PROJECT OF TULSA COUNTY INC
EIN: 731019247 · TULSA, OK
$67.9M $74.8M 592
58 EAST CENTRAL OKLAHOMA ELECTRIC
EIN: 730224017 · OKMULGEE, OK
$67.2M $0 536
59 INDIAN ELECTRIC COOPERATIVE INC
EIN: 730297135 · CLEVELAND, OK
$66.1M $185.5M 594
60 FOLDS OF HONOR FOUNDATION
EIN: 753240683 · OWASSO, OK
$65.5M $109.1M 659
61 St John Broken Arrow Inc
EIN: 383833117 · Tulsa, OK
$64.9M $91.5M 538
62 SOUTHERN NAZARENE UNIVERSITY
EIN: 730587210 · BETHANY, OK
$64.9M $114.3M 533
63 STIGLER HEALTH & WELLNESS CENTER INC
EIN: 200368759 · STIGLER, OK
$60.0M $66.0M 661
64 CHOCTAW ELECTRIC COOPERATIVE INC
EIN: 730182325 · HUGO, OK
$59.3M $151.2M 543
65 PIPELINE INDUSTRY BENEFIT FUND
EIN: 730742835 · TULSA, OK
$58.7M $99.5M 710
66 SANTA FE SOUTH SCHOOLS INC
EIN: 300118733 · OKLAHOMA CITY, OK
$58.2M $9.5M 672
67 DEAN MCGEE EYE INSTITUTE
EIN: 736109395 · OKLAHOMA CITY, OK
$57.4M $55.4M 491
68 RURAL ELECTRIC COOPERATIVE INC
EIN: 730431276 · LINDSAY, OK
$56.9M $99.7M 542
69 MUSEUM OF THE BIBLE
EIN: 273444987 · OKLAHOMA CITY, OK
$56.0M $447.4M 577
70 GOODWILL INDUSTRIES OF CENTRAL OKLAHOMA INC
EIN: 730641590 · OKLAHOMA CITY, OK
$54.6M $70.9M 616
71 COMMUNITY FOOD BANK OF EASTERN OKLAHOMA INC
EIN: 731184980 · TULSA, OK
$53.8M $63.4M 638
72 Farmers Union Hospital Association
EIN: 730579295 · Elk City, OK
$52.9M $63.7M 505
73 KIAMICHI ELECTRIC COOPERATIVE INC
EIN: 730539216 · WILBURTON, OK
$52.1M $129.6M 528
74 YOUNG MEN'S CHRISTIAN ASSOCIATION OF GREATER OKLAHOMA CITY
EIN: 730579270 · OKLAHOMA CITY, OK
$50.7M $68.4M 689
75 Laureate Psychiatric Clinic and HospitalInc
EIN: 731308273 · Tulsa, OK
$50.3M $61.5M 591
76 THE PHYSICIAN'S HOSPITAL IN ANADARKO
EIN: 260532528 · ANADARKO, OK
$48.6M $13.2M 491
77 Cancer Centers of Southwest Oklahoma
EIN: 203315309 · LAWTON, OK
$48.3M $43.7M 613
78 Red River Valley Rural Electric Association
EIN: 730417655 · Marietta, OK
$48.3M $91.7M 521
79 TRUE SKY CREDIT UNION
EIN: 730564572 · OKLAHOMA CITY, OK
$47.3M $831.3M 542
80 J A Leta M Chapman TR 486002AC2
EIN: 736112228 · TULSA, OK
$46.7M $974.6M 585
81 NOBLE RESEARCH INSTITUTE LLC
EIN: 730606209 · ARDMORE, OK
$45.8M $138.2M 620
82 MONTEREAU INC
EIN: 731571795 · TULSA, OK
$44.7M $188.6M 503
83 OKLAHOMAS CREDIT UNION
EIN: 736093655 · Oklahoma City, OK
$43.5M $795.9M 581
84 SOUTHEASTERN ELECTRIC COOPERATIVE INC
EIN: 730457520 · DURANT, OK
$42.9M $91.7M 524
85 INTEGRIS Health Ponca City Hospital Inc
EIN: 932949739 · Oklahoma City, OK
$42.5M $28.8M 557
86 KAY ELECTRIC COOPERATIVE INC
EIN: 730308955 · BLACKWELL, OK
$42.0M $103.3M 511
87 COOKSON HILLS ELECTRIC COOPERATIVE INC
EIN: 730543457 · STIGLER, OK
$41.8M $153.5M 546
88 NORTHWESTERN ELECTRIC COOPERATIVE INC
EIN: 730375825 · WOODWARD, OK
$41.0M $130.5M 523
89 DOVE SCHOOLS INC
EIN: 813518666 · Oklahoma City, OK
$41.0M $16.6M 697
90 Lighthouse Behavioral Wellness Centers
EIN: 730618672 · Ardmore, OK
$40.6M $23.4M 540
91 STROUD REGIONAL MEDICAL CENTER
EIN: 260532635 · STROUD, OK
$39.2M $14.0M 487
92 Mid-America Christian University Inc
EIN: 741196134 · Oklahoma City, OK
$38.6M $45.4M 661
93 COMMUNITIES FOUNDATION OF OKLAHOMA
EIN: 731396320 · OKLAHOMA CITY, OK
$38.5M $204.0M 692
94 KI BOIS COMMUNITY ACTION FOUNDATION
EIN: 730770231 · STIGLER, OK
$37.7M $31.6M 662
95 INDIAN HEALTH CARE RESOURCE CENTER INC
EIN: 731042545 · TULSA, OK
$37.7M $87.0M 717
96 OKLAHOMA CITY FIRE FIGHTERS HEALTH AND WELFARE FUND
EIN: 134219776 · OKLAHOMA CITY, OK
$37.6M $41.7M 635
97 Owasso Medical Facility Inc
EIN: 203700131 · Tulsa, OK
$36.9M $44.3M 536
98 INDEPENDENT OPPORTUNTIES INC OF OKLAHOMA
EIN: 742547238 · TULSA, OK
$36.4M $24.5M 678
99 North Oklahoma County Mental Health Center
EIN: 731134098 · Oklahoma City, OK
$36.0M $28.1M 620
100 COWBOY ATHLETICS INC
EIN: 020669448 · STILLWATER, OK
$35.8M $71.4M 694
Data from IRS Form 990 filings. Click an organization name to view full details. © 2026 990 Finder by Trantor SpA.