Largest Nonprofits in Oklahoma

Top nonprofits ranked by total revenue

50 organizations
Year: Latest 2024 2023 2022
# 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
Data from IRS Form 990 filings. Click an organization name to view full details. © 2026 990 Finder by Trantor SpA.