· Private foundation
Charles W Harris Foundation
Its FY2024 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.
What you funded, over time
Every grant placed by its stated purpose and the recipient’s mission, by year — across FY2019–2024.
Where the money goes
Your grants by size, and where they go.
By grant size · FY2024
- Under $10k12 grants · $65k
- $10k–50k13 grants · $185k
- $50k–250k5 grants · $263k
| Recipient | Amount |
|---|---|
| EAA AVIATION FOUNDATION INC | $62,500 |
| COMMUNITY FOOD BANK EASTERN OKLAHOM | $50,000 |
| MEALS ON WHEELS | $50,000 |
| CLAREHOUSE | $50,000 |
| CATHOLIC CHARITIES | $50,000 |
| IRON GATE | $25,000 |
| REVITALIZE T-TOWN | $20,000 |
| TULSA BOYS HOME | $15,000 |
| WWII AIRBORNE DEMONSTRATION TEAM | $15,000 |
| TULSA DAY CENTER FOR THE HOMELESS | $15,000 |
| COOKSON HILLS CHRISTIAN SCHOOL | $15,000 |
| LIFE SENIOR SERVICES | $15,000 |
| JOHN 316 MISSION | $15,000 |
| YOUTH SERVICES OF TULSA | $10,000 |
| ASSISTANCE LEAGUE OF TULSA | $10,000 |
Do your dollars go where the need is?
Each grant placed by the hardship in its grantee’s ZIP, then read against the area’s typical level.
Your human-services grants (FY19–24, $348k) land where the poverty rate runs at 15%, against an area that typically sits at 13%. 100% of those dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty linein the grantee’s ZIP, averaged from the tracts in that ZIP; grantee ZIP can differ from where services are delivered.
US grants placed by each grantee’s ZIP, which can differ from where services are actually delivered. Need from public data — U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA — shown as context about the area, never attributed to your giving.
Who you back again
Which organizations you funded more than once, and which you funded a single time. Each grantee is matched to its own filings.
32 repeat relationships — 28 still active in FY2024, 4 since wound down; 1 grantees were first funded in FY2024 (too recent to call).
How the two cohorts compare
Organizations
Total granted
Still filing today
New vs renewed · share of each year
In FY2024, 100% of grant dollars renewed an existing relationship; $3k went to new ones.
Where new relationships form · theme of each grantee’s first grant
First-time = a grantee’s first year in your filing window; renewed = funded in an earlier year too. As a portfolio matures the renewed share naturally climbs — once funded, an org stays “renewable” — so the signal is the years that buck it (a new-grantee intake wave). 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
- EAEAA AVIATION FOUNDATION INC2× · 2023–2024 · $260k · revenue +38%
Meals on Wheels of Norman Inc6× · 2019–2024 · $123k · revenue +36%
Clarehouse Inc5× · 2019–2024 · $114k · revenue +41%
Funded once
- IGIndividual grant recipientone grant, 2022 · $35k
- PCPORTA CAELI HOUSE CORPone grant, 2022 · $25k
- TATULSA ADVOCATES FOR PROTECTION CHILone grant, 2019 · $3k
Repeat = funded in two or more distinct years; growth and survival are read from each grantee’s own subsequent IRS filings.
The map has a center of gravity: the average direction from the rest of the sector toward the organizations the foundation funds — the shape of its giving. Scoring every nonprofit along that direction surfaces the ones that look most like the portfolio. These are the closest matchesthat aren’t grantees — a resemblance in what they say they do, not a recommendation.
Goodwill empowers people to reach their full potential through work opportunities, training, and support services.
The tulsa area united way unites people and resources to improve lives and strengthen our communities.
Provides housing to elderly persons under section 202 of the national housing act under agreement with the department of hud.
Tulsa casa is organized to speak for the best interests of abused and neglected children in court. we promote and support volunteer representation for the children in an effort to provide each child a safe, permanent, nurturing home.
Ronald McDonald House Charities of Tulsa provides essential services that remove barriers, strengthen families, and promote healing when children need healthcare.
To revitalize urban oklahoma city neighborhoods and create affordable housing opportunities by rehabilitating historic homes, constructing new homes, and increasing community investment through home ownership.
Provide the poor of the city of tulsa, oklahoma an opportunity to improve their quality of life through guidance and training in the areas of education, employment, family skills, healthcare, housing, socialization and spirituality.
Shelterwell fosters a spirit of connected community, centered on the belief that housing is a human right.
La Luz Organization helps the underserved Latino population in Oklahoma with culturally and faith based trauma-informed services to victims of domestic violence,sexual assault and stalking.
The tulsa regional chamber transforms the tulsa region by attracting and retaining employers, talent and tourism for long-term prosperity.
Okaloosa habitat for humanity is a non-profit, christian organization dedicated to eliminating substandard housing in okaloosa county. we provide opportunites for the community to show god's love in action. through partnership with people…
Ywca is dedicated to eliminating racism, empowering women and promoting peace, justice, freedom, and dignity for all.
For reference, the grantee most central to the portfolio’s shape is Tulsa Day Center Inc and the most unlike its peers is Flourish Homes Incorporated. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
For each theme you fund, this compares how the sector’s money is shifting with how your own giving is shifting.
Sector change and giving change are each shown relative to their own range, growing (right) or shrinking (left); both normalized, so inflation isn’t mistaken for growth.
Your grantees are a median of 31 years old; the field is 16. You back the established end — and your money leans older still.
The field is 22% startups (under 5 years old) — 3% of your grantees by number, and just 1% of your money.
The orgs you fund almost never close — 0.0% lost their exemption, against 15% of the field you don’t fund.
Age = years since IRS exemption (a founding proxy). “Closed” = auto-revocation for 3 years of non-filing — a floor on closure, not proof, and bigger established orgs lapse least. Association, not causation.
29 grantees tracked through their own filings, 2017–2025.
Each one resolved to its own IRS returns and tracked year by year — your grant beside their revenue from every source. Association, dated; never a causal claim.
Counted here: distinct organizations you funded across 2017–2025, not grant rows in a single year — so this will not match the grant count on the cover. 29 of the 40 grantees resolved in that span have returns of their own we could reconcile; the rest are funded organizations whose filings we could not track year by year.
Where your money sits — by cause, then by grantee
Each org by its size and your share of it — top-left is where you’re load-bearing
Go grantee by grantee — a decade per org, and how each moved after you funded them
A decade per grantee — revenue shaded, your grants as bars, all rows on one timeline.
- Who funds EAA AVIATION FOUNDATION INC ↗
- Who funds Meals on Wheels of Norman Inc ↗
- Who funds Clarehouse Inc ↗
- Who funds COMMUNITY FOOD BANK OF EASTERN OKLAHOMA INC ↗
- Who funds EAA VINTAGE AIRCRAFT ASSOCIATION INC ↗
- Who funds CATHOLIC CHARITIES OF THE ARCHDIOCESE OF OKLAHOMA CITY INC ↗
- Who funds LIFE SENIOR SERVICES INC ↗
- Who funds REVITALIZE T-TOWN ↗
- Who funds WWII AIRBORNE DEMONSTRATION TEAM ↗
- Who funds IRON GATE INC ↗
- Who funds JOHN 316 MISSION ↗
- Who funds TULSA BOYS' HOME INC ↗
- Who funds BARTLESVILLE COMMUNITY FOUNDATION ↗
- Who funds TULSA DAY CENTER INC ↗
- Who funds NEIGHBORS ALONG THE LINE ↗
- Who funds HONOR BUNKER INC ↗
- Who funds ASSISTANCE LEAGUE OF TULSA INC ↗
- Who funds COOKSON HILLS CHRISTIAN SCHOOL INC ↗
- Who funds YOUTH SERVICES OF TULSA INC ↗
- Who funds UP WITH TREES INC ↗
- Who funds FLOURISH HOMES INCORPORATED ↗
- Who funds THE SPRING SHELTER INC ↗
- Who funds PALMER CONTINUUM OF CARE INC ↗
- Who funds TULSA ADVOCATES FOR THE PROTECTION OF CHILDREN ↗
- Who funds LITTLE LIGHT HOUSE INC ↗
- Who funds Transitional Living Centers of Oklahoma Inc ↗
- Who funds One Hope Tulsa Inc ↗
- Who funds TFI FAMILY SERVICES INC ↗
- Who funds TULSA COMMUNITY FOUNDATION ↗
The grantmakers whose grantees overlap with yours far more than size alone predicts. Each orbits closer the stronger the alignment; the arcs between them show where they also fund each other. Here it reads as a tightly interlocked camp — most of these funders back each other's grantees too.
Open a dossier: Paul L Sisk and Helen I Sisk Charitable Trust · Ralph and Frances McGill Foundation the Trust Company of Oklahoma · Tulsa Community Foundation · The Anne and Henry Zarrow Foundation · Flint Family Foundation · Grace & Franklin Bernsen Foundation · The Sharna and Irvin Frank Foundation · Sarkeys Foundation · George Kaiser Family Foundation · The David E & Cassie L Temple Foundation · Hille Family Charitable Foundation · Oneok Foundation Inc
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. A research starting point: overlap is association, not proof of shared intent.
Government reliance of your grantees
Every dot is one organization Charles W Harris Foundation funds. Left–right is the share of its income from government; up–down is the share from you. Bigger dots raise more. Filter to federal or a single department — and drag the year to watch it move.
- Up With Trees Inc — 100% of income from government
- Tulsa Community Foundation — 11% of income from government
- Tulsa Day Center Inc — 9% of income from government
- Youth Services of Tulsa Inc — 8% of income from government
- Catholic Charities of the Archdiocese of Oklahoma City Inc — 1% of income from government
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 your grant caused the public funding. Coverage is precision-first — a floor, not 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 12–24 months.
Warm introductions · Powered by PlinthPlus
How do I get to Charles W Harris Foundation?
Find your warmest path to Charles W Harris 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.