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OK

Foundations in
Oklahoma

Explore 1,716 private foundations with combined assets of $45.9B.

1,716
Foundations
$45.9B
Total Assets

Top 50 by Assets

Largest foundations headquartered in Oklahoma

View All
#1

George Kaiser Family Foundation

Tulsa, OK
T
Assets
$5.1B
Giving
-
#2

SAINT FRANCIS HOSPITAL INC

TULSA, OK
E
Assets
$3.7B
Giving
-
#3

INTEGRIS Health INC

OKLAHOMA CITY, OK
E
Assets
$2.2B
Giving
-
#4

Charles and Lynn Schusterman Family Foundation

Tulsa, OK
T
Assets
$2.2B
Giving
-
#5

INTEGRIS Baptist Medical Center Inc

Oklahoma City, OK
E
Assets
$1.9B
Giving
-
#6

THE SAMUEL ROBERTS NOBLE FOUNDATION

ARDMORE, OK
T
Assets
$1.1B
Giving
-
#7

J A Leta M Chapman TR 486002AC2

TULSA, OK
T
Assets
$979.4M
Giving
-
#8

TRUE SKY CREDIT UNION

OKLAHOMA CITY, OK
Assets
$831.3M
Giving
-
#9

OKLAHOMA CENTRAL CREDIT UNION

TULSA, OK
Assets
$686.9M
Giving
-
#10

MERCY HOSPITAL OKLAHOMA CITY

OKLAHOMA CITY, OK
E
Assets
$626.2M
Giving
-
#11

MUSEUM OF THE BIBLE

OKLAHOMA CITY, OK
Assets
$442.8M
Giving
-
#12

KIRKPATRICK FAMILY AFFILIATED FUND OF OCCF INC

OKLAHOMA CITY, OK
T
Assets
$403.0M
Giving
-
#13

INASMUCH FOUNDATION

OKLAHOMA CITY, OK
T
Assets
$399.4M
Giving
-
#14

William K Warren Medical Research Center INC

TULSA, OK
H
Assets
$371.4M
Giving
-
#15

TRI-COUNTY ELECTRIC COOPERATIVE INC

HOOKER, OK
Assets
$341.4M
Giving
-
#16

The William K Warren Foundation

Tulsa, OK
T
Assets
$331.4M
Giving
-
#17

ORAL ROBERTS UNIVERSITY

TULSA, OK
B
Assets
$323.3M
Giving
-
#18

Saint Francis Hospital Muskogee Inc

Tulsa, OK
E
Assets
$317.9M
Giving
-
#19

Leta McFarlin Chapman Memorial Tr 486003AC0

TULSA, OK
T
Assets
$297.0M
Giving
-
#20

INTEGRIS Ambulatory Care Corp

Oklahoma City, OK
E
Assets
$294.7M
Giving
-
#21

Duncan Regional Hospital

Duncan, OK
E
Assets
$292.0M
Giving
-
#22

THE ANNE AND HENRY ZARROW FOUNDATION

TULSA, OK
Assets
$281.0M
Giving
-
#23

INTEGRIS Rural Health Inc

Oklahoma City, OK
E
Assets
$266.6M
Giving
-
#24

EL AND THELMA GAYLORD FOUNDATION

OKLAHOMA CITY, OK
T
Assets
$260.1M
Giving
$8.9M
#25

Saint Francis Hospital South LLC

Tulsa, OK
E
Assets
$249.6M
Giving
-
#26

OKLAHOMA EDUCATORS CREDIT UNION

OKLAHOMA CITY, OK
Assets
$235.1M
Giving
-
#27

INTEGRIS Health Edmond Inc

Oklahoma City, OK
E
Assets
$234.1M
Giving
-
#28

PRESBYTERIAN HEALTH FOUNDATION

OKLAHOMA CITY, OK
Assets
$230.7M
Giving
-
#29

CKENERGY ELECTRIC COOPERATIVE INC

BINGER, OK
Assets
$221.4M
Giving
-
#30

CIMARRON ELECTRIC COOPERATIVE INC

KINGFISHER, OK
Assets
$202.9M
Giving
-
#31

NATIONAL CENTER FOR ADDICTION STUDIES AND TREATMENT FOUNDATION

NICHOLS HILLS, OK
P
Assets
$201.2M
Giving
-
#32

MONTEREAU INC

TULSA, OK
L
Assets
$194.4M
Giving
-
#33

GLENN FOUNDATION FOR MEDICAL RESEARCH INC

EDMOND, OK
H
Assets
$189.2M
Giving
-
#34

The HA & Mary K Chapman Foundation

Tulsa, OK
T
Assets
$188.4M
Giving
-
#35

FOUNDATION FOR ENGINEERING AT THE UNIVERSITY OF OKLAHOMA INC

NORMAN, OK
B
Assets
$175.6M
Giving
-
#36

Tulsa Psychiatric Center

Tulsa, OK
Assets
$172.6M
Giving
-
#37

FOUNDATION FOR ENGINEERING AT OKLAHOMA STATE UNIVERSITY INC

STILLWATER, OK
B
Assets
$169.3M
Giving
-
#38

CITY OF MUSKOGEE FOUNDATION INC

OKLAHOMA CITY, OK
S
Assets
$156.7M
Giving
$5.6M
#39

THE HARDESTY FAMILY FOUNDATION INC

TULSA, OK
Z
Assets
$149.8M
Giving
-
#40

JOSEPH W CRAFT III FOUNDATION

TULSA, OK
T
Assets
$146.2M
Giving
-
#41

BUTTERFIELD MEMORIAL FOUNDATION

OKLAHOMA CITY, OK
E
Assets
$143.0M
Giving
-
#42

NOBLE RESEARCH INSTITUTE LLC

ARDMORE, OK
B
Assets
$138.2M
Giving
-
#43

SANFORD P & IRENE F BURNSTEIN FAMILY FOUNDATION INC

TULSA, OK
Assets
$136.5M
Giving
-
#44

OKLAHOMA STATE MEDICAL ASSOCIATION

OKLAHOMA CITY, OK
Assets
$134.1M
Giving
-
#45

MALZAHN FAMILY AFFILIATED FUND OF OCCF INC

OKLAHOMA CITY, OK
Assets
$133.8M
Giving
-
#46

FEED THE CHILDREN INC

OKLAHOMA CITY, OK
Q
Assets
$133.3M
Giving
-
#47

KATHLEEN S CRAFT FOUNDATION

TULSA, OK
P
Assets
$131.2M
Giving
-
#48

NORTHWESTERN ELECTRIC COOPERATIVE INC

WOODWARD, OK
Assets
$130.5M
Giving
-
#49

J A Leta M Chapman TR 10267 486001AC4

TULSA, OK
T
Assets
$130.3M
Giving
-
#50

SARKEYS FOUNDATION

NORMAN, OK
Assets
$126.4M
Giving
-
Search All 1,716 Oklahoma Foundations

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GrantLedger

Helping nonprofits find funding.

Grantwriting

  • Our service
  • How it works
  • FAQs
  • See if you’re eligible

Research & tools

  • The Ledger
  • Compensation Report
  • Search
  • Search pricing
  • Browse foundations
  • Browse by category

About

  • Our story
  • Past internship program
Contact

© 2026 LC Ventures Holdings LLC

Privacy PolicyTerms of Service