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· Private foundation

Chambers Family Foundation

Its FY2025 filing reports that it accepted unsolicited grant applications.

$61k
Granted FY2025still arriving
7
Grants FY2025still arriving
4
States reached
$20k
Largest
01What it funds
0184% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2025.

Arts & Culture$314kHealth$54kHuman Services$50kEducation$24kRecreation & Sports$18kEnvironment$15kEmployment$5kCommunity Improvement$3kOther$0
02FY2025 · 7 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2025

  • Under $10k4 grants · $16k
  • $10k–50k3 grants · $45k
$5,000
Median grant
4
States reached
$1.4M
Total assets
Largest grants
RecipientAmount
WAREHOUSE TV$20,000
THE CENTER$15,000
PERFECTLY MADE AF$10,300
AMBUCS$5,000
WILL ROGERS MEMORIAL FOUNDATION$5,000
OKLAHOMA TENNIS FOUNDATION$3,675
BROKEN ARROW NEIGHBORS$2,000
02The need
03

Does the money reach high-need areas?

Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.

show:

Its human-services grants (FY19–25, $11k) land where the poverty rate runs at 14%, against an area that typically sits at 11%. 82% of those dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 11%DEAF ORGANIZATIONS FUND: $2k → 10%BROKEN ARROW NEIGHBORS: $4k → 15%BROKEN ARROW NEIGHBORS: $2k → 15%STAND IN THE GAP: $2k → 15%YOUTH SERVICES OF TULSA: $410 → 15%YOUTH SERVICES OF TULSA: $410 → 15%YOUTH SERVICES OF TULSA: $300 → 15%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount
How this is measured
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty line in the grantee’s ZIP, averaged from the tracts in that ZIP.

Which US states its grants reach

WI
MI
CA
CO
AZ
NC
OK
TX
How this is measured
US grants placed by each grantee’s ZIP, which can differ from where services are delivered. Need from public data (U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA), shown as context about the area, never attributed to the funder’s giving.
03Its grantees
repeat funding

Who it funds again

Organizations funded in more than one year, against those funded once.

76%of every dollar goes to organizations it has funded before.
$396k · 18 repeat orgs$127k to everyone else

18 repeat relationships: 4 still active in FY2025, 14 since wound down; 3 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

18
29

Total granted

$396k
$108k

Median revenue growth · since first grant

-8%
+16%

Still filing today

28%
31%

New vs renewed · share of each year

In FY2025, 69% of grant dollars renewed an existing relationship; $19k went to new ones.

50%100%’17’18’19’20’21’22’23’24’25
RenewedFirst-time

Where new relationships form · theme of each grantee’s first grant

’17’18’19’20’21’22’23’24’25
Human ServicesPhilanthropyRecreation & SportsArts & CultureEnvironmentPublic BenefitOther
How this is measured
First-time means a grantee’s first year in the filing window; renewed means funded in an earlier year too. The renewed share climbs naturally as a portfolio matures, so the signal is a year that bucks it (a wave of new grantees). The earliest year is left-censored: relationships that predate the data read as new. Theme is the grantee’s IRS cause.

Backed again, and grew

  • WT
    WAREHOUSE TV
    7× · 2019–2025 · $252k · 63% of their budget
  • TI
    TSHA INC
    5× · 2017–2021 · $37k · revenue +47%
  • TC
    THE CENTER
    2× · 2024–2025 · $23k

Funded once

  • D
    DPANTV
    one grant, 2018 · $40k
  • OS
    Oklahoma State University Foundationgraduated
    one grant, 2017 · $11k · revenue +46%
  • TA
    TELEVISION ACADEMY FOUNDATION
    one grant, 2017 · $10k
How this is measured

Repeat means funded in two or more distinct years. Growth and survival are read from each grantee’s own subsequent IRS filings.

04Its field

Closest unfunded matches

The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.

1
Oklahoma Newspaper Foundation
Arts & Culture
2
Oklahoma Assistive Technology Foundation

To assist persons with disabilities in obtaining assistive technology so they can become independent and productive members of the community.

Human Services
3
The Arc of Oklahoma Inc

The Arc of Oklahoma, Inc. promotes and protects the human rights of individuals with intellectual and developmental disabilities (IDD) and supports their full participation in the community throughout their lifetime. We aim to educate,…

Human Services
4
Tulsa Spca

The Tulsa SPCA's mission is to improve the lives of dogs and cats, and their human companions.

Animals
5
Oklahoma Academy for State Goals

To provide information to citizens. The organization encourages the utilization and developement of the State of Oklahomas resourses.

—
6
Raise the Wage Oklahoma Inc

Education and outreach to increase voter support of State Question 832 to raise the minimum wage.

—
7
Angel Fund Okc Inc
Animals
8
Oklahoma State Chamber of Commerce and Industry Inc

The State Chamber is a statewide membership organization. Our purpose is to be the unified voice of business and the most effective advocacy organization at the State Capitol.

—
9
Oklahoma Scholarship Fund Inc
—
10
Oklahoma Decides Inc

Education and issue advocacy related to helping Oklahomans understand their Constitutional right to decide issues for themselves at the ballot box.

—
11
Oklahoma Forward Inc

Oklahoma Forward works to identify what everyday Oklahomans care about, and help to give them a stronger voice in state government. By creating an environment where Oklahoma voters feel empowered, we can encourage a positive conversation…

—
12
Okmulgee Area Development Corp

Economic development in okmulgee county

Community Improvement
How this is measured
The grantee most central to the portfolio’s shape is Oklahoma State University Foundation; the most unlike its peers is Warehouse Tv. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
04the grantee network

18 grantees tracked through their own filings, 2017–2025.

Each grant beside the grantee’s revenue from every source, year by year.

How this is measured

Counted here: distinct organizations funded across 2017 to 2025, not grant rows in a single year, so this will not match the grant count on the cover. 18 of the 50 grantees resolved in that span have returns of their own we could reconcile.

Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.

1
Load-bearing (≥25% of a budget)
3
Early backer (in before they grew)
16/18
Grantees still filing
9/18
Grew since first funded

Where the money sits, by cause and then by grantee

WAREHOUSE TV: $251,500 · Arts & CultureWAREHOUSE TVDPANTV: $40,000 · OtherDPANTVTSHA INC: $36,605 · OtherTSHA INCTHE CENTER: $22,500 · OtherTHE CENTERAMBUCS: $16,500 · OtherAMBUCSPERFECTLY MADE AF: $10,300 · OtherTELEVISION ACADEMY FOUNDATION: $10,000 · OtherCATHOLIC CHARITIES OF THE ARCHDIOCESE OF OKLAHOMA CITY INC: $8,650 · OtherHEARTS OF STEEL: $8,000 · Other+31 more: $60,290 · Other+31 moreSPRING CREEK COALITION INC: $15,409 · EnvironmentPokes With A Purpose Inc: $9,000 · Recreation & SportsOklahoma Tennis Foundation: $3,675 · Recreation & SportsBROKEN ARROW NEIGHBORS INC: $6,088 · Human ServicesSTAND IN THE GAP INC: $2,000 · Human ServicesDeaf Organizations Fund: $2,000 · Human ServicesYOUTH SERVICES OF TULSA INC: $1,120 · Human ServicesOklahoma State University Foundation: $10,920 · EducationWill Rogers Memorial Foundation: $5,000 · PhilanthropyThe Eddie Sutton Foundation: $3,000 · Philanthropy
Arts & Culture$251,500Other$212,845Environment$15,409Recreation & Sports$12,675Human Services$11,208Education$10,920Philanthropy$8,000

Each grantee by its size and the funder’s share of it; top left is load-bearing

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetWAREHOUSE TV: $251,500 over 7y, 63% of budgetTSHA INC: $36,605 over 5y, 1.7% of budgetSPRING CREEK COALITION INC: $15,409 over 5y, 4.4% of budgetOklahoma State University Foundation: $10,920 over 1y, 0.0% of budgetPokes With A Purpose Inc: $9,000 over 1y, 0.9% of budgetCATHOLIC CHARITIES OF THE ARCHDIOCESE OF OKLAHOMA CITY INC: $8,650 over 4y, 0.0% of budgetBROKEN ARROW NEIGHBORS INC: $6,088 over 2y, 0.4% of budgetA NEW LEAF INC: $5,000 over 1y, 0.1% of budgetWill Rogers Memorial Foundation: $5,000 over 1y, 1.8% of budgetCITY OF MUSKOGEE FOUNDATION INC: $3,250 over 2y, 0.0% of budgetThe Eddie Sutton Foundation: $3,000 over 1y, 1.4% of budgetSTAND IN THE GAP INC: $2,000 over 1y, 0.2% of budgetDeaf Organizations Fund: $2,000 over 1y, 1.5% of budgetYOUTH SERVICES OF TULSA INC: $1,120 over 3y, 0.0% of budgetBridge The Gap International Inc: $1,033 over 1y, 0.1% of budgetAMERICAN CANCER SOCIETY INC: $528 over 1y, 0.0% of budgetSoldier's Wish: $100 over 1y, 0.0% of budget
Grantee by grantee: a decade per organization, before and after funding

A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.

  • Who funds WAREHOUSE TV ↗
  • Who funds TSHA INC ↗
  • Who funds SPRING CREEK COALITION INC ↗
  • Who funds Oklahoma State University Foundation ↗
  • Who funds Pokes With A Purpose Inc ↗
  • Who funds CATHOLIC CHARITIES OF THE ARCHDIOCESE OF OKLAHOMA CITY INC ↗
  • Who funds BROKEN ARROW NEIGHBORS INC ↗
  • Who funds A NEW LEAF INC ↗
  • Who funds Will Rogers Memorial Foundation ↗
  • Who funds Oklahoma Tennis Foundation ↗
  • Who funds CITY OF MUSKOGEE FOUNDATION INC ↗
  • Who funds The Eddie Sutton Foundation ↗
  • Who funds STAND IN THE GAP INC ↗
  • Who funds Deaf Organizations Fund ↗
  • Who funds YOUTH SERVICES OF TULSA INC ↗
  • Who funds Bridge The Gap International Inc ↗

Co-funders

Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.

Tulsa Community FoundationOK23.6× affinity10 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Tulsa Community Foundation · Grace & Franklin Bernsen Foundation · The Gelvin Foundation · The Anne and Henry Zarrow Foundation · Tulsa Area United Way · Mervin Bovaird Foundation · El and Thelma Gaylord Foundation · Oneok Foundation Inc · Oklahoma City Community Foundation Inc · Natl Christian Charitable Fdn Inc · Fidelity Investments Charitable Gift Fund · Donor Advised Charitable Giving Inc

How this is measured
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. Overlap is association, not proof of shared intent.

How much its grantees rely on government

Each dot is one organization Chambers Family Foundation funds: left to right is the share of its income from government, bottom to top the share from Chambers Family Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 90%5%19%42%75%funder's share of their income ↑0%8%15%22%30%share of the org’s income from government →median 8%
  • Youth Services of Tulsa Inc: 8% of income from government
  • Catholic Charities of the Archdiocese of Oklahoma City Inc: 1% of income from government
no gov moneyreceives it· size = income
9get no government money at all
2report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–30%
typical government reliance, FY20–25
How this is measured
Government income is each org’s traced federal awards (USASpending grants and contracts) plus state payments (open checkbooks) as a share of its total revenue (IRS Form 990); the self-reported government-grant line (990 line 1e) is carried for cross-check: a grantee that reports government grants we could not trace to a source is left off the chart rather than shown as receiving none. An association, not a claim that a grant caused the public funding. Coverage is precision-first, a floor rather than a census; state records exist for 9 states, so a grantee outside them shows no state figure (dimmed) rather than a false zero. Federal award amounts are obligations, which can span years, so a single-year share is indicative. 990 filings lag 12 to 24 months.
05Through Plinth

Warm introductions · Powered by PlinthPlus

How do I get to Chambers Family Foundation?

Find your warmest path to Chambers Family Foundation through trustees and officers whose names appear on both boards. Search for your organization and Plinth traces the shortest route it can evidence.

Each link is a name appearing on two organizations’ public IRS 990 filings, matched on that name and, where the filings support it, on location. A same-state match has geographic support, which is a second matching feature rather than confirmation that the two are one person; a cross-state one is the likeliest to be two people who share a name. Every hop shows its tier, low-confidence and distant paths are held back rather than guessed, and it is worth confirming the person before you use the introduction.

On method. Every financial figure here is read from IRS e-file XML, the funder’s own 990/990-PF, and from the multi-year returns of the 50 grantees we resolved, each linked to its source. Grantee outcomes are each organization’s own program-service reporting (Form 990, Part III), read as association with funding, never as caused by it. Low-confidence name matches are suppressed rather than guessed. How we build these →

How this is measured
Each figure carries one of six labels. Filed is what the funder reported on its return. Official is another government record about an organization, such as a federal award or a charity register, joined by name where no shared identifier exists. Resolved is an identity we worked out where the filing named a recipient without an EIN, kept only above a measured confidence threshold. Computed is arithmetic over those, like themes, portfolio clusters and co-funder strength. Context is a statistic about a place rather than about an organization, which is what the need overlay is: it describes the area a grantee’s address sits in, not where its work lands. Inferred is drawn by a model from text, like the partnerships read out of public news and organization websites. Each is labeled where it appears.

Generated from the IRS Form 990-PF e-file return for fiscal year 2025, released 2025. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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