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Plinth
Foundation DossiersAlso receives grants — funding profile →
Plinth

· Public charity

International Union of Operating Engineers 150

Labor organization representing members in a variety of industries including construction, construction material production, steel mill services/slag processing, landscaping and many others principally in illinois, indiana and iowa.

$160k
Granted FY2024still arriving
5
Grants FY2024still arriving
1
States reached
$50k
Largest
01What you fundRead
02The needRead
03Your edgeRead
04Your fieldRead
01What you fund
0182% classified

What you funded, over time

Every grant clustered by its grantee’s IRS cause code (NTEE), by year — across FY2017–2024.

Health$322kEmployment$198kPhilanthropy$164kEducation$73kCrime & Legal$30kRecreation & Sports$30kArts & Culture$30kEnvironment$13kPublic Benefit$5kOther$194k
02FY2024 · 5 grants

Where the money goes

Your grants by size, and where they go.

The 5 grants below total $88,500 — the rows itemised in this filing. The $159,530 headline is the total grant expense reported on the return, so the remaining $71,030 is giving the schedule does not break out: grants under the $5,000 itemisation floor, grants to individuals, and grants reported on other schedules. Every figure below describes the itemised rows only.

By grant size · FY2024

  • Under $10k2 grants · $14k
  • $10k–50k2 grants · $25k
  • $50k–250k1 grant · $50k
$10,000
Median grant
1
States reached
$136M
Total assets
Largest grants
RecipientAmount
FRIENDS OF UNCLE MIKE$50,000
MUSCULAR DYSTROPHY ASSOCIATION$15,000
ILLINOIS INSTITUTE OF TECHNOLOGY$10,000
IRISH FELLOWSHIP EDUCATIONAL$7,500
SHANNON ROVERS IRISH PIPE BAND$6,000
02The need
03

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.

show:

Your human-services grants (FY20–20, $5k) land where the poverty rate runs at 7%, against an area that typically sits at 9%. 0% of those dollars go to grantees based in above-average-need neighborhoods. Your grants skew toward lower-need ZIPs.

area typical 9%MULLIGANEERS: $5k → 7%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount

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.

03Your edge
repeat funding

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.

77%of every dollar goes to organizations you’ve funded before.
$814k · 14 repeat orgs$244k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +1% since the first grant, against 0% for the ones you funded once.

14 repeat relationships — 4 still active in FY2024, 10 since wound down; 1 grantees were first funded in FY2024 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

14
14

Total granted

$814k
$238k

Median revenue growth · since first grant

+1%
0%

Still filing today

93%
79%

New vs renewed · share of each year

In FY2024, 93% of grant dollars renewed an existing relationship; $6k went to new ones.

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

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

’17’18’19’20’21’22’23’24
HealthPhilanthropyEmploymentEducationArts & CultureRecreation & SportsOther

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

  • CF
    Chicago Federation of Labor Workforce and Community Initiative
    5× · 2017–2021 · $128k · revenue +1%
  • SC
    SWEENEY CLASSIC
    2× · 2021–2024 · $100k · revenue +106%
  • IF
    IRISH FELLOWSHIP CLUB OF CHICAGO
    6× · 2017–2023 · $53k · revenue +64% · 41% of their budget

Funded once

  • SU
    STEP UP FOR TIM
    one grant, 2019 · $75k
  • SO
    SPECIAL OLYMPICS INCgraduated
    one grant, 2018 · $25k · revenue +38%
  • AE
    ANTI-HARASSMENT EQUALITY & ACCESS PANEL
    one grant, 2018 · $25k · 36% of their budget

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

04Your field

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.

1
Illinois Mechanical Specialty Contractors Association

To provide support and allow for dissemination of legislative activities to the members who are construction employers in illinos.

Community Improvement
2
The Chicago Bar Foundation

The chicago bar foundation brings the legal community together through advocacy, funding, and innovation to improve access to justice for people in need and to make the legal system more fair, equitable, and effective.

Education
3
Union League Club of Chicago

See schedule o.the union league club of chicago (the "club") provides a unique opportunity for its members to participate as a leader in promoting civic, philanthropic and cultural matters of common interest. our offerings focus on…

—
4
Laborers' Int'l Union of North America District Council of Chicago

To promote unity of action in dealing with employers and to coordinate and consolidate the activities of its various affiliated local unions so they can work in a harmonious and united way.

—
5
Chicagoland Associated General Contractors

To deliver exceptional value to our members through industry leadership, superior services, and innovative programs.

—
6
Illinois Trial Lawyers Association

The objectives of the Association shall be to: uphold the Constitution of the United States of America and the State of Illinois; secure and protect the rights of those injured in their persons or civil rights; defend trial by jury and the…

—
7
International Union of Operating Engineers 150

Labor organization representing members in a variety of industries including construction, construction material production, steel mill services/slag processing, landscaping and many others principally in illinois, indiana and iowa. the…

—
8
Irish American Cultural Society of Stamford Saint Patricks Day Parade
Arts & Culture
9
The Galway University Foundation

Galway University Foundation, Inc is a not-for-profit organization that provides support for various aspects of University of Galway which is a leading University in Ireland with close links to a number of Universities in the United…

Education
10
True Chicago
Arts & Culture
11
University of Illinois Foundation

The Foundation, a 501(c)(3) charitable organization, is an independent and separate nonprofit entity from the University of Illinois. Our mission is to encourage and administer private gifts and serve the UI System by working closely with…

Education
12
University of Illinois Alumni Association

The mission of the university of illinois alumni association is to enhance and advance the relationship between the university of illinois at urbana-champaign (the university) and all its alumni; to inspire lifelong loyalty and pride among…

—

For reference, the grantee most central to the portfolio’s shape is St Patricks Day Foundation Nyc and the most unlike its peers is Sam & Mary Palumbo Family Foundation. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.

Your grantees are a median of 18 years old; the field is 18. You back the younger end — and your money leans older still.

THE FIELDby orgYOUR GRANTEESby number20%0%<5yr14%8%5–10yr18%46%10–20yr17%8%20–35yr15%21%35–55yr16%17%55yr+
THE FIELDby orgYOUR MONEYby value20%0%<5yr14%1%5–10yr18%40%10–20yr17%14%20–35yr15%11%35–55yr16%34%55yr+

The field is 20% startups (under 5 years old) — 0% of your grantees by number, and just 0% of your money.

Closures · last 5 years

The orgs you fund almost never close — 7% lost their exemption, against 14% of the field you don’t fund.

orgs you fund
7%
2/29
the rest of the field
14%
7,155/49,731

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.

04the grantee network

27 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. 27 of the 29 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.

2
Load-bearing (≥25% of a budget)
3
Early backer (in before they grew)
25/27
Grantees still filing
13/27
Grew since you first funded

Where your money sits — by cause, then by grantee

MUSCULAR DYSTROPHY ASSOCIATION INC — $145,000 · HealthMUSCULAR DYSTROPHY ASSOCIATION INCMARCH OF DIMES INC — $107,500 · HealthMARCH OF DIMES INCIN SEARCH OF A CURE — $51,600 · HealthIN SEARCH OF A CURE+2 more — $17,500 · Health+2 moreChicago Federation of Labor Workforce and Community Initiative — $128,000 · EmploymentChicago Federation of…OPERATING ENGINEERS NATIONAL CHARITY FUND — $60,000 · EmploymentOPERATING ENGINEERS N…WOMEN EMPLOYED — $10,000 · EmploymentSTEP UP FOR TIM — $75,000 · OtherSTEP UP FOR TIMIRISH FELLOWSHIP CLUB OF CHICAGO — $52,750 · OtherIRISH FELLOWSHIP CLUB OF …ANTI-HARASSMENT EQUALITY & ACCESS PANEL — $25,000 · OtherANTI-HARASSMENT EQUALITY …PALUMBO FAMILY FOUNDATION — $20,000 · OtherPALUMBO FAMILY FOUNDATIONCONTRACTORS ASSOCIATION OF WILL AND GRUNDY COUNTIES — $10,000 · OtherST PATRICKS DAY FOUNDATION NYC — $25,000 · OtherST PATRICKS DAY FOUNDATIO…UNION SPORTSMEN'S ALLIANCE — $13,400 · OtherUNION SPORTSMEN'S ALLIANC…+4 more — $21,200 · Other+4 moreSWEENEY CLASSIC — $100,000 · PhilanthropySWEENEY CLASSICSAM & MARY PALUMBO FAMILY FOUNDATION — $28,650 · PhilanthropySAM & MARY PALUMB…NAVY SAFE HARBOR FOUNDATION — $25,000 · PhilanthropyNAVY SAFE HARBOR …LABORERS' DISTRICT COUNCIL CHARITABLE FOUNDATION — $10,000 · PhilanthropyLABORERS' DISTRIC…Illinois Institute of Technology — $35,000 · EducationPEGGY BROWNING FUND — $20,000 · EducationIRISH FELLOWSHIP EDUCATIONAL & CULTURAL FOUNDATION — $17,500 · EducationLAWNDALE CHRISTIAN LEGAL CENTER — $30,000 · Crime & LegalSPECIAL OLYMPICS INC — $25,000 · Recreation & SportsCHICAGO POLICE KNIGHTS BASEBALL CLUB — $5,000 · Recreation & Sports
Health$321,600Employment$198,000Other$242,350Philanthropy$163,650Education$72,500Crime & Legal$30,000Recreation & Sports$30,000

Each org by its size and your share of it — top-left is where you’re load-bearing

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ your share of their budgetMUSCULAR DYSTROPHY ASSOCIATION INC — $145,000 over 7y, 0.0% of budgetChicago Federation of Labor Workforce and Community Initiative — $128,000 over 5y, 0.8% of budgetMARCH OF DIMES INC — $107,500 over 3y, 0.1% of budgetSWEENEY CLASSIC — $100,000 over 2y, 8.0% of budgetOPERATING ENGINEERS NATIONAL CHARITY FUND — $60,000 over 2y, 3.0% of budgetIRISH FELLOWSHIP CLUB OF CHICAGO — $52,750 over 6y, 41% of budgetIN SEARCH OF A CURE — $51,600 over 6y, 2.5% of budgetIllinois Institute of Technology — $35,000 over 4y, 0.0% of budgetLAWNDALE CHRISTIAN LEGAL CENTER — $30,000 over 2y, 0.9% of budgetSAM & MARY PALUMBO FAMILY FOUNDATION — $28,650 over 2y, 3.9% of budgetSPECIAL OLYMPICS INC — $25,000 over 1y, 0.0% of budgetANTI-HARASSMENT EQUALITY & ACCESS PANEL — $25,000 over 1y, 36% of budgetST PATRICKS DAY FOUNDATION NYC — $25,000 over 2y, 2.6% of budgetNAVY SAFE HARBOR FOUNDATION — $25,000 over 1y, 14% of budgetPEGGY BROWNING FUND — $20,000 over 1y, 2.1% of budgetIRISH FELLOWSHIP EDUCATIONAL & CULTURAL FOUNDATION — $17,500 over 2y, 2.6% of budgetUNION SPORTSMEN'S ALLIANCE — $13,400 over 2y, 0.2% of budgetCONTRACTORS ASSOCIATION OF WILL AND GRUNDY COUNTIES — $10,000 over 1y, 2.6% of budgetWOMEN EMPLOYED — $10,000 over 1y, 0.5% of budgetLABORERS' DISTRICT COUNCIL CHARITABLE FOUNDATION — $10,000 over 1y, 2.8% of budgetGUILDHAUS — $10,000 over 1y, 1.0% of budgetBE THE FIGHT FOUNDATION — $7,500 over 1y, 12% of budgetSHANNON ROVERS IRISH PIPE BAND INC — $6,000 over 1y, 1.9% of budgetROOSEVELT-AURORA POST #84 AMERICAN LEGION — $5,200 over 1y, 13% of budgetSOUTH SIDE IRISH ST PATRICK'S DAY PARADE AND HERITAGE FOUNDATION INC — $5,000 over 1y, 2.6% of budgetMULLIGANEERS INC — $5,000 over 1y, 1.0% of budget
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.

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.

International Union o…Indiana Illinois & Io…Chicago Journeymen Pl…Fidelity Investments …Amazonsmile Foundation
International Union of Operating Engineers Local No 399IL17.9× affinity6 shared granteesties to 4 of 4Hover any node to trace its alignments.Compare side by side →

Open a dossier: International Union of Operating Engineers Local No 399 · Indiana Illinois & Iowa Foundation for Fair Contracting · Chicago Journeymen Plumbers' Local Union 130 Ua · Fidelity Investments Charitable Gift Fund · Amazonsmile Foundation

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 International Union of Operating Engineers 150 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.

2024
’20’21’22’23’24’25
no gov · 00%3%13%28%50%your share of their income ↑0%10%20%30%40%share of the org’s income from government →
    no gov moneyreceives it· size = income
    0get no government money at all
    4report government grants on their 990 we could not trace to a source (not plotted)
    0rely on government for over half their income
    ⤢ axis zoomed · 0–40%
    typical government reliance, FY20–25

    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.

    On method. Every financial figure here is read directly from IRS e-file XML — your own 990/990-PF and the multi-year returns of the 29 grantees we resolved across every year we hold, several hundred filings in all (a different count from the grant rows on the cover, which are one fiscal year)— each linked to its source. Grantee achievements and outcomes are each organization’s own program-service reporting (Form 990, Part III); we read these as association with sustained funding — the foundation is one of several forces — suppress low-confidence name matches rather than guess, and say so where a figure rests on a single grant or filing. Not everything on this page is a filed figure, and the difference matters. Filed is what you reported on your 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. How we build these →

    Generated from your IRS Form 990 e-file return for fiscal year 2024, released 2024. Filings run roughly 12–24 months behind; figures are dated accordingly.

    Source object · view filing

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