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Foundations in
Unknown

Showing the top foundations primarily classified under unknown. These grantmakers focus on supporting programs in this sector.

1,047
Foundations

Largest Unknown Foundations

Top 50 by total assets

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#1

ARAB FUND FOR ECONOMIC AND SOCIAL DEVELOPMENT

, KU
Z99
Assets
$13.8B
Giving
-
#2

HAPO COMMUNITY CREDIT UNION

RICHLAND, WA
Z99
Assets
$2.4B
Giving
-
#3

MERCY CARE

PHOENIX, AZ
Z99
Assets
$1.3B
Giving
-
#4

Sid W Richardson Foundation

Fort Worth, TX
Z99
Assets
$526.8M
Giving
-
#5

LOW INCOME HOUSING INSTITUTE

SEATTLE, WA
Z99Z
Assets
$490.1M
Giving
-
#6

COMMUNITY HOWARD REGIONAL HEALTH INC

KOKOMO, IN
Z99Z
Assets
$424.3M
Giving
-
#7

THE AVI CHAI FOUNDATION

NEW YORK, NY
Z99
Assets
$375.3M
Giving
-
#8

KORET FOUNDATION

SAN FRANCISCO, CA
Z99Z
Assets
$287.4M
Giving
-
#9

ODD FELLOWS HOME OF CALIFORNIA

SARATOGA, CA
Z99
Assets
$267.3M
Giving
$595K
#10

FORESIGHT AFFORDABLE HOUSING INC

EGG HARBOR TOWNSHIP, NJ
Z99
Assets
$243.6M
Giving
-
#11

THE DONNA AND MARVIN SCHWARTZ FOUNDATION

NEW YORK, NY
Z99Z
Assets
$208.3M
Giving
-
#12

THE PIERRE & TANA MATISSE FOUNDATION INC

NEW YORK, NY
Z99Z
Assets
$198.1M
Giving
$4.8M
#13

LARRY AND JEANETTE EPPING FAMILY FOUNDATION C/O PIONEER TRUST BANK

SALEM, OR
Z99J
Assets
$189.2M
Giving
-
#14

MORTGAGE BANKERS ASSOCIATION

WASHINGTON, DC
Z99
Assets
$178.4M
Giving
-
#15

VISTA HERMOSA FOUNDATION

PASCO, WA
Z99
Assets
$174.9M
Giving
-
#16

MERCY CLINIC EAST COMMUNITIES

CHESTERFIELD, MO
Z99
Assets
$160.4M
Giving
-
#17

AUGUSTANA CARE

EDINA, MN
Z99Z
Assets
$159.4M
Giving
-
#18

Harvard Real Estate - Allston Inc

Cambridge, MA
Z99
Assets
$156.4M
Giving
-
#19

Kleinheinz Family Foundation For The Arts And Education

Fort Worth, TX
Z99
Assets
$152.3M
Giving
-
#20

THE HARDESTY FAMILY FOUNDATION INC

TULSA, OK
Z99
Assets
$149.8M
Giving
-
#21

UNIDOSUS

WASHINGTON, DC
Z99
Assets
$125.8M
Giving
-
#22

DAVE THOMAS FOUNDATION FOR ADOPTION

DUBLIN, OH
Z99Z
Assets
$117.3M
Giving
-
#23

KOLATCH FAMILY FOUNDATION

ENGLEWOOD, NJ
Z99Z
Assets
$116.4M
Giving
$5.8M
#24

BORREGO COMMUNITY HEALTH FOUNDATION

BORREGO SPRINGS, CA
Z99Z
Assets
$109.2M
Giving
-
#25

FISHER HOUSE FOUNDATION INC

ROCKVILLE, MD
Z99Z
Assets
$107.7M
Giving
-
#26

HAMASPIK OF ROCKLAND COUNTY INC

MONSEY, NY
Z99
Assets
$105.4M
Giving
-
#27

Lake County Tribal Health Consortium Inc

Lakeport, CA
Z99Z
Assets
$102.6M
Giving
-
#28

THE RILEY FOUNDATION

MERIDIAN, MS
Z99Z
Assets
$101.0M
Giving
-
#29

CHRISTUS-TRINITY MOTHER FRANCES FOUNDATION

IRVING, TX
Z99
Assets
$98.6M
Giving
-
#30

OLD DOMINION UNIVERSITY REAL ESTATE FOUNDATION

NORFOLK, VA
Z99Z
Assets
$89.4M
Giving
-
#31

CITY YEAR INC

BOSTON, MA
Z99Z
Assets
$84.7M
Giving
-
#32

YES HOUSING INC

ALBUQUERQUE, NM
Z99Z
Assets
$83.4M
Giving
-
#33

TACO BELL FOUNDATION INC

IRVINE, CA
Z99Z
Assets
$82.3M
Giving
-
#34

NEW AMERICA FOUNDATION

WASHINGTON, DC
Z99
Assets
$81.4M
Giving
-
#35

CHARLESVIEW INC

BRIGHTON, MA
Z99
Assets
$80.5M
Giving
$950K
#36

STEPHEN DELLAPIETRA AND PAMELA HURST- DELLAPIETRA FAMILY FOUNDATION INC

JERICHO, NY
Z99
Assets
$80.1M
Giving
-
#37

CORVALLIS NEIGHBORHOOD HOUSING SERVICES INC

SPRINGFIELD, OR
Z99Z
Assets
$75.7M
Giving
-
#38

BABY2BABY

LOS ANGELES, CA
Z99
Assets
$75.3M
Giving
-
#39

SHARE OUR STRENGTH

WASHINGTON, DC
Z99Z
Assets
$74.5M
Giving
-
#40

B THOMAS GOLISANO FOUNDATION

VICTOR, NY
Z99Z
Assets
$71.5M
Giving
-
#41

COMPASS HEALTH

EVERETT, WA
Z99
Assets
$70.7M
Giving
-
#42

DOWNTOWN ACTION TO SAVE HOUSING

BELLEVUE, WA
Z99Z
Assets
$68.3M
Giving
-
#43

HOMESIGHT

SEATTLE, WA
Z99Z
Assets
$67.9M
Giving
-
#44

COVENANT MINISTRIES OF BENEVOLENCE

CHICAGO, IL
Z99Z
Assets
$66.4M
Giving
-
#45

EMORY CHILDREN'S PEDIATRIC INSTITUTE INC

ATLANTA, GA
Z99
Assets
$66.3M
Giving
-
#46

CHS FOUNDATION

INVER GROVE HEIGHTS, MN
Z99Z
Assets
$65.7M
Giving
-
#47

EXECUTIVE LEADERSHIP COUNCIL

WASHINGTON, DC
Z99
Assets
$64.9M
Giving
-
#48

Onion Foundation

Auburn, ME
Z99
Assets
$63.6M
Giving
-
#49

MANDARICH FAMILY FOUNDATION

DENVER, CO
Z99
Assets
$60.2M
Giving
-
#50

FOERSTER BERNSTEIN FOUNDATION

NORWALK, CT
Z99
Assets
$56.0M
Giving
$17K
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© 2026 LC Ventures Holdings LLC

Privacy PolicyTerms of Service
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