Largest Nonprofits in Oklahoma (2023)

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 George Kaiser Family Foundation
EIN: 731574370 · Tulsa, OK
$736.2M $4.9B
4 MERCY HOSPITAL OKLAHOMA CITY
EIN: 730579285 · OKLAHOMA CITY, OK
$724.7M $590.5M
5 FEED THE CHILDREN INC
EIN: 736108657 · OKLAHOMA CITY, OK
$502.0M $189.2M
6 COMMUNITYCARE GOVERNMENT PROGRAMS INC
EIN: 472532880 · TULSA, OK
$440.2M $68.0M
7 INTEGRIS HEALTH INC
EIN: 731192764 · OKLAHOMA CITY, OK
$437.6M $2.2B
8 TULSA COMMUNITY FOUNDATION
EIN: 731554474 · TULSA, OK
$329.5M $942.7M
9 INTEGRIS SO OKLAHOMA CITY HOSPCORP D/B/A INTEGRIS SOUTHWEST MEDICAL CENTER
EIN: 731089149 · OKLAHOMA CITY, OK
$303.2M $242.5M
10 INTEGRIS RURAL HEALTH INC
EIN: 731444504 · OKLAHOMA CITY, OK
$303.1M $266.6M
11 UNIVERSITY OF TULSA
EIN: 730579298 · TULSA, OK
$301.8M $1.6B
12 OKLAHOMA STATE UNIVERSITY FOUNDATION
EIN: 736097060 · STILLWATER, OK
$281.5M $1.5B
13 DELTA DENTAL PLAN OF OKLAHOMA
EIN: 237322578 · OKLAHOMA CITY, OK
$281.4M $113.2M
14 INTEGRIS AMBULATORY CARE CORP
EIN: 731192765 · OKLAHOMA CITY, OK
$265.8M $219.6M
15 UNIVERSITY OF OKLAHOMA FOUNDATION INC
EIN: 736091755 · NORMAN, OK
$243.4M $2.6B
16 COMMUNITY STRATEGIES INC DBA EPIC CHARTER SCHOOLS
EIN: 202774826 · OKLAHOMA CITY, OK
$240.2M $80.2M
17 Warren Clinic Inc
EIN: 731310891 · Tulsa, OK
$231.5M $142.1M
18 Saint Francis Hospital South LLC
EIN: 010603214 · Tulsa, OK
$214.2M $162.5M
19 Saint Francis Hospital Muskogee Inc
EIN: 814322087 · Tulsa, OK
$209.7M $166.0M
20 Duncan Regional Hospital Inc
EIN: 731008550 · Duncan, OK
$196.4M $257.0M
21 Grand Lake Mental Health Center Inc
EIN: 731039733 · Nowata, OK
$190.9M $86.8M
22 MERCY CLINIC OKLAHOMA COMMUNITIESINC
EIN: 270473057 · OKLAHOMA CITY, OK
$189.3M $28.1M
23 ORAL ROBERTS UNIVERSITY
EIN: 730739626 · TULSA, OK
$184.0M $288.0M
24 MERCY HOSPITAL ARDMORE
EIN: 731500629 · ARDMORE, OK
$176.9M $92.8M
25 COMMUNITIES FOUNDATION OF OKLAHOMA
EIN: 731396320 · OKLAHOMA CITY, OK
$142.7M $195.6M
26 OKLAHOMA BLOOD INSTITUTE
EIN: 731008735 · OKLAHOMA CITY, OK
$138.1M $107.9M
27 FAMILY & CHILDRENS SERVICES INC
EIN: 730580270 · TULSA, OK
$137.5M $128.1M
28 INTEGRIS HEALTH EDMOND INC
EIN: 451027361 · OKLAHOMA CITY, OK
$125.6M $212.1M
29 MERCY HOSPITAL ADA INC
EIN: 462288155 · ADA, OK
$118.2M $59.3M
30 TRI-COUNTY ELECTRIC COOPERATIVE INC
EIN: 730539914 · HOOKER, OK
$116.4M $361.0M
31 Oklahoma Medical Research Foundation
EIN: 730580274 · Oklahoma City, OK
$114.3M $485.9M
32 OKLAHOMA CITY UNIVERSITY
EIN: 730579265 · OKLAHOMA CITY, OK
$112.3M $397.8M
33 REGIONAL FOOD BANK OF OKLAHOMA INC
EIN: 731100380 · OKLAHOMA CITY, OK
$99.4M $31.1M
34 THE CHILDREN'S CENTER INC
EIN: 730580264 · BETHANY, OK
$95.9M $98.7M
35 VARIETY CARE INC
EIN: 731088577 · OKLAHOMA CITY, OK
$92.6M $77.6M
36 Citgo Petroleum Corporation Employees' Benefit Trust
EIN: 731188322 · Tulsa, OK
$91.2M $66.0M
37 NORTHEAST OKLAHOMA ELECTRIC COOPERATIVE INC
EIN: 730375582 · VINITA, OK
$90.2M $0
38 Oklahoma Baptist University
EIN: 730579264 · Shawnee, OK
$87.9M $314.5M
39 CKENERGY ELECTRIC COOPERATIVE INC
EIN: 474815587 · BINGER, OK
$87.2M $210.4M
40 VERDIGRIS VALLEY ELECTRIC COOPERATIVE INC
EIN: 730495962 · COLLINSVILLE, OK
$86.2M $225.0M
41 COTTON ELECTRIC COOPERATIVE INC
EIN: 730199463 · WALTERS, OK
$83.7M $182.1M
42 CENTRAL OKLAHOMA AMERICAN INDIAN HEALTH COUNCIL INC
EIN: 730955756 · OKLAHOMA CITY, OK
$81.3M $89.4M
43 CIMARRON ELECTRIC COOPERATIVE INC
EIN: 730195455 · KINGFISHER, OK
$79.5M $185.2M
44 Canadian Valley Electric Cooperative Inc
EIN: 730171526 · SEMINOLE, OK
$78.5M $228.0M
45 OKLAHOMA CITY COMMUNITY FOUNDATION INC
EIN: 237024262 · OKLAHOMA CITY, OK
$77.8M $857.3M
46 CENTRAL RURAL ELECTRIC COOPERATIVE INC
EIN: 730177775 · STILLWATER, OK
$77.6M $303.8M
47 Oklahoma Mental Health Council
EIN: 736111618 · Oklahoma City, OK
$77.1M $94.2M
48 CREOKS MENTAL HEALTH SERVICES
EIN: 731108774 · TULSA, OK
$76.8M $60.1M
49 Oklahoma Christian University Inc
EIN: 730555460 · Oklahoma City, OK
$74.9M $124.2M
50 LAKE REGION ELECTRIC COOPERATIVE INC
EIN: 730579543 · HULBERT, OK
$72.0M $263.3M
Data from IRS Form 990 filings. Click an organization name to view full details. © 2026 990 Finder by Trantor SpA.