Skip to content

· Public charity

The Grey Muzzle Organization

THE GREY MUZZLE ORGANIZATION improves the lives of at-risk senior dogs by providing funding and resources to animal shelters, rescue organizations, sanctuaries, and other non-profit groups nationwide.

$1.7M
Granted FY2025still arriving
103
Grants FY2025still arriving
34
States reached
$41k
Largest
01What it funds
01100% classified

What it funded, over time

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

Animals$5.8MHealth$150kHousing & Shelter$51kHuman Services$17kCommunity Improvement$16kFood & Nutrition$11kReligion$10k
02FY2025 · 103 grants

Where the money goes

Grants by size, and the largest recipients.

How this is measured
The 103 grants below total $1,626,691, the rows itemized in this filing. The $1,733,105 headline is the total grant expense on the return; the other $106,414 is giving the schedule does not break out (grants under the $5,000 itemization floor, grants to individuals, grants on other schedules). Every figure below describes the itemized rows only.

By grant size · FY2025

  • Under $10k20 grants · $156k
  • $10k–50k83 grants · $1.5M
$15,000
Median grant
34
States reached
$2.9M
Total assets
Largest grants
RecipientAmount
SPCA OF WAKE COUNTY$41,200
SPCA FLORIDA$30,000
HUMANE FORT WAYNE INC$26,200
FRESNO HOPE ANIMAL FOUNDATION$25,000
TENNESSEE DACHSHUND RESCUE$25,000
PEACE OF MIND DOG RESCUE$25,000
HUMANE SOCIETY OF NORTH TEXAS$25,000
PET COMMUNITY CENTER$25,000
FLORIDA KEYS SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS$25,000
SHANTI PROJECT$25,000
KODIAKCARE CORPORATION$25,000
HEARTS & BONES ANIMAL RESCUE$25,000
FOUND HOUSE INTERFAITH HOUSING NETWORK$25,000
ANIMAL PROTECTION SOCIETY-FRIDAY HARBOR$25,000
GATEWAY PET GUARDIANS$25,000
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 (FY21–25, $60k) land where the poverty rate runs at 9%, against an area that typically sits at 10%. 15% of those dollars go to grantees based in above-average-need neighborhoods. Its grants skew toward lower-need ZIPs.

area typical 10%NORTHWEST ANIMAL COMPANIONS: $12k → 8%MOSTLY MUTTS ANIMAL RESCUE & ADOPTION INC: $9k → 8%CENTRAL VERMONT COUNCIL ON AGING: $10k → 9%ASTER AGING INC: $9k → 11%MOSTLY MUTTS ANIMAL RESCUE & ADOPTION INC: $7k → 8%MOSTLY MUTTS ANIMAL RESCUE & ADOPTION INC: $7k → 8%MOSTLY MUTTS ANIMAL RESCUE & ADOPTION INC: $6k → 8%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

ME
VT
WA
ID
MN
IL
WI
MI
NY
MA
OR
NV
IA
IN
OH
PA
NJ
CT
CA
UT
CO
NE
MO
KY
VA
MD
AZ
NM
KS
TN
NC
SC
DC
HI
LA
MS
AL
GA
TX
FL
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.

77%of every dollar goes to organizations it has funded before.
$4.7M · 123 repeat orgs$1.4M to everyone else

Grantees it renews have grown median revenue +39% since the first grant, against +10% for those funded once.

123 repeat relationships: 60 still active in FY2025, 63 since wound down; 41 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

123
98

Total granted

$4.7M
$862k

Median revenue growth · since first grant

+39%
+10%

Still filing today

98%
86%

New vs renewed · share of each year

In FY2025, 66% of grant dollars renewed an existing relationship; $545k 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
AnimalsHuman ServicesReligionScience & TechRecreation & SportsEducationOther
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

  • AP
    AUSTIN PETS ALIVE INC
    9× · 2017–2025 · $86k · revenue +30%
  • SC
    SECOND CITY CANINE RESCUE
    7× · 2019–2025 · $86k · revenue +118%
  • TA
    THE ANIMAL FOUNDATION
    7× · 2018–2025 · $85k · revenue +14%

Funded once

  • CL
    California Labradors Retrievers & More Rescue
    one grant, 2024 · $15k · revenue +1%
  • TB
    THE BOND BETWEEN
    one grant, 2024 · $15k · revenue +6%
  • GA
    GUARDIAN ANGEL BASSET RESCUE INC
    one grant, 2024 · $15k · revenue 0%
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
Hope Fur Paws Rescue

To help injured, abandoned and unwanted animals. We provide food, vet care that includes heartworm prevention and spay or neuter services, shelter and anything else needed.

Animals
2
Raskels Rescue
Animals
3
Paws and Claws Animal Shelter
Animals
4
Safe Haven Inc
Animals
5
Pets Without Partners

Find homes for homeless/abandoned dogs. Provide full vet car and housing while awaiting adoption,

Animals
6
Fur Animal Rescue

Animal rescue organization dedicated to finding homes for animals at the animal shelter. we also provde vet care foster homes, and assistance with homing for special needs animals.

Animals
7
Paws Animal Rescue Center

To help rescue unwanted pets

Animals
8
Donna's Love Pet Rescue
Animals
9
Rescue Coop
Animals
10
St Clouds Rescue
Animals
11
Animal Rescue and Adoption Agency Inc

An animal rescue/adoption Agency. Rescued animals are from kill shelters or owner surrenders facing hardship then rehabbed/medical completed while in foster care then adopted into loving homes.

Animals
12
Happy Acres Pet Rescue
Animals
How this is measured
The grantee most central to the portfolio’s shape is Saint Frances Animal Center; the most unlike its peers is Runaways Animal Rescue. 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

245 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. 245 of the 263 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)
67
Early backer (in before they grew)
242/245
Grantees still filing
157/245
Grew since first funded

Where the money sits, by cause and then by grantee

+173 more: $4,949,031 · Animals+173 moreSHELTER FROM THE STORM ANIMAL RESCUE INC: $76,450 · OtherSHANTI PROJECT: $40,000 · OtherHUMANE SOCIETY OF ST JOSEPH COUNTY: $37,000 · OtherMAX'S HELPING PAWS FOUNDATION: $32,700 · OtherLIVE LOVE ANIMAL SERVICES INC: $31,000 · OtherKNOXVILLE-KNOX COUNTY COUNCIL ON AGING: $30,500 · OtherMain Line Animal Rescue Inc: $25,000 · OtherFAIRY TAIL ENDINGS INC: $22,237 · OtherMORENO VALLEY COMMUNITY FOUNDATION: $16,200 · Other+10 more: $103,250 · OtherFound House-Interfaith Housing Network: $61,000 · ReligionPEAK LAB RESCUE INC: $22,500 · ReligionFOUNDATION FOR ANIMAL CARE & EDUCATION: $77,500 · Science & TechMostly Mutts Animal Rescue and Adoption Inc: $28,500 · Human ServicesNORTHWEST ANIMAL COMPANIONS: $12,000 · Human ServicesCENTRAL VERMONT COUNCIL ON AGING INC: $10,000 · Human ServicesTHE PET PROJECT FOR PETS INC: $29,500 · HealthFOOTBRIDGE FOUNDATION INC: $20,000 · Philanthropy
Animals$4,949,031Other$414,337Religion$83,500Science & Tech$77,500Human Services$50,500Health$29,500Philanthropy$20,000

Showing the 200 largest grantees by grant value.

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

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetAUSTIN PETS ALIVE INC: $86,475 over 9y, 0.1% of budgetSECOND CITY CANINE RESCUE: $86,100 over 7y, 1.8% of budgetTHE ANIMAL FOUNDATION: $85,212 over 7y, 0.2% of budgetASHEVILLE HUMANE SOCIETY INC: $82,000 over 8y, 0.3% of budgetFOUNDATION FOR ANIMAL CARE & EDUCATION: $77,500 over 7y, 0.7% of budgetSHELTER FROM THE STORM ANIMAL RESCUE INC: $76,450 over 7y, 0.6% of budgetJACKSONVILLE HUMANE SOCIETY INC: $73,500 over 7y, 0.2% of budgetTHE HUMANE SOCIETY OF AUSTIN & TRAVIS COUNTY INC: $71,000 over 7y, 0.3% of budgetFIX OUR FERALS: $71,000 over 5y, 0.9% of budgetPEACE OF MIND DOG RESCUE: $69,500 over 5y, 0.6% of budgetLittle Shelter Animal Adoption Center Inc: $68,900 over 9y, 0.3% of budgetMUTTVILLE: $68,900 over 6y, 0.1% of budgetHumane Society of North Texas: $66,257 over 4y, 0.3% of budgetANIMAL RESCUE INC: $64,960 over 7y, 0.9% of budgetPET COMMUNITY CENTER INC: $64,000 over 4y, 0.9% of budgetVIRGINIA BEACH SPCA: $62,500 over 5y, 0.5% of budgetCOMMUNITY SPAY NEUTER INITIATIVE PA: $62,000 over 4y, 0.5% of budgetFound House-Interfaith Housing Network: $61,000 over 4y, 0.3% of budgetNMDOG Inc: $60,500 over 7y, 4.7% of budgetFOREVER LOVED PET SANCTUARY: $59,983 over 5y, 3.9% of budgetPHILADELPHIA ANIMAL WELFARE SOCIETY: $58,500 over 5y, 0.4% of budgetPOODLE AND POOCH RESCUE INC: $57,575 over 6y, 3.2% of budgetKODIAKCARE CORPORATION: $56,000 over 4y, 3.7% of budgetKENTUCKY HUMANE SOCIETY - ANIMAL RESCUE: $55,728 over 6y, 0.1% of budgetFRIENDS OF HOMELESS ANIMALS: $55,000 over 4y, 1.0% of budgetSTOP THE SUFFERING RESCUE: $52,500 over 7y, 1.6% of budgetHUMANE SOCIETY OF INDIANAPOLIS: $51,661 over 5y, 0.2% of budgetNORFOLK SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS INC: $51,000 over 5y, 0.4% of budgetANIMAL PROTECTION SOCIETY OF FRIDAY HARBOR: $50,963 over 3y, 2.1% of budgetTENNESSEE DACHSHUND RESCUE: $50,000 over 3y, 7.5% of budgetTHE HUMANE SOCIETY OF ROCHESTER & MONROE COUNTY FOR THE PREVENTION OF CRUELTY TO: $50,000 over 6y, 0.1% of budgetYOUNG AT HEART SENIOR PET ADOPTIONS: $50,000 over 5y, 1.4% of budgetSENIORS PET ASSISTANCE NETWORK: $50,000 over 4y, 17% of budgetCOMPASSION WITHOUT BORDERS: $49,420 over 4y, 0.7% of budgetSPCA INC: $48,500 over 3y, 0.3% of budgetKOHALA ANIMAL RELOCATION & EDUCATION SERVICE: $48,238 over 5y, 5.3% of budgetMERCY CRUSADE INC: $47,800 over 3y, 0.9% of budgetPAWS ATLANTA INCORPORATED: $47,610 over 6y, 0.5% of budgetArizona Humane Society: $47,000 over 4y, 0.0% of budgetBrother Wolf Animal Rescue Inc: $46,200 over 4y, 0.4% of budgetHUMANE SOCIETY OF SONOMA COUNTY: $46,000 over 4y, 0.3% of budgetSPOKANIMAL CARE: $45,000 over 4y, 0.5% of budgetMAUI HUMANE SOCIETY: $41,996 over 4y, 0.2% of budgetSOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS WAKE COUNTY INC: $41,200 over 1y, 0.5% of budgetSHANTI PROJECT: $40,000 over 2y, 0.4% of budgetVETS IN VANS INC: $40,000 over 3y, 1.1% of budgetHEARTS & BONES ANIMAL RESCUE: $40,000 over 2y, 1.5% of budgetVIEQUES HUMANE SOCIETY & ANIMAL RESCUE INC: $39,000 over 3y, 2.5% 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 AUSTIN PETS ALIVE INC ↗
  • Who funds SECOND CITY CANINE RESCUE ↗
  • Who funds THE ANIMAL FOUNDATION ↗
  • Who funds ASHEVILLE HUMANE SOCIETY INC ↗
  • Who funds FOUNDATION FOR ANIMAL CARE & EDUCATION ↗
  • Who funds SHELTER FROM THE STORM ANIMAL RESCUE INC ↗
  • Who funds JACKSONVILLE HUMANE SOCIETY INC ↗
  • Who funds THE HUMANE SOCIETY OF AUSTIN & TRAVIS COUNTY INC ↗
  • Who funds FIX OUR FERALS ↗
  • Who funds PEACE OF MIND DOG RESCUE ↗
  • Who funds Little Shelter Animal Adoption Center Inc ↗
  • Who funds MUTTVILLE ↗
  • Who funds Humane Society of North Texas ↗
  • Who funds ANIMAL RESCUE INC ↗
  • Who funds PET COMMUNITY CENTER INC ↗
  • Who funds VIRGINIA BEACH SPCA ↗
  • Who funds COMMUNITY SPAY NEUTER INITIATIVE PA ↗
  • Who funds Found House-Interfaith Housing Network ↗
  • Who funds NMDOG Inc ↗
  • Who funds FOREVER LOVED PET SANCTUARY ↗
  • Who funds PHILADELPHIA ANIMAL WELFARE SOCIETY ↗
  • Who funds POODLE AND POOCH RESCUE INC ↗
  • Who funds KODIAKCARE CORPORATION ↗
  • Who funds KENTUCKY HUMANE SOCIETY - ANIMAL RESCUE ↗
  • Who funds FRIENDS OF HOMELESS ANIMALS ↗
  • Who funds STOP THE SUFFERING RESCUE ↗
  • Who funds HUMANE SOCIETY OF INDIANAPOLIS ↗
  • Who funds NORFOLK SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS INC ↗
  • Who funds ANIMAL PROTECTION SOCIETY OF FRIDAY HARBOR ↗
  • Who funds TENNESSEE DACHSHUND RESCUE ↗
  • Who funds THE HUMANE SOCIETY OF ROCHESTER & MONROE COUNTY FOR THE PREVENTION OF CRUELTY TO ↗
  • Who funds YOUNG AT HEART SENIOR PET ADOPTIONS ↗
  • Who funds SENIORS PET ASSISTANCE NETWORK ↗
  • Who funds COMPASSION WITHOUT BORDERS ↗
  • Who funds SPCA INC ↗
  • Who funds KOHALA ANIMAL RELOCATION & EDUCATION SERVICE ↗
  • Who funds MERCY CRUSADE INC ↗
  • Who funds PAWS ATLANTA INCORPORATED ↗
  • Who funds Arizona Humane Society ↗
  • Who funds Brother Wolf Animal Rescue 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.

The Duffield Family Foundation Dba Maddie's FundCA134.9× affinity94 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: The Duffield Family Foundation Dba Maddie's Fund · Pedigree Foundation · Petco Love · The American Society for the Prevention of Cruelty to Animals · Petsmart Charities Inc · Banfield Foundation · Best Friends Animal Society · BISSELL Pet Foundation · Greater Good Charities · Humane World for Animals Inc · Thornton S Jr and Katrina D Glide Foundation · The Michelson Found Animals Foundation 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 The Grey Muzzle Organization funds: left to right is the share of its income from government, bottom to top the share from The Grey Muzzle Organization. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 190%1%5%11%20%funder's share of their income ↑0%25%50%75%100%share of the org’s income from government →median 0%
  • Central Vermont Council On Aging Inc: 74% of income from government
  • Spca Inc: 0% of income from government
  • Leon County Humane Society: 0% of income from government
no gov moneyreceives it· size = income
19get no government money at all
37report government grants on their 990 we could not trace to a source (not plotted)
1rely on government for over half their income
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 The Grey Muzzle Organization?

Find your warmest path to The Grey Muzzle Organization 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 263 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 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

Play a game based on Grey Muzzle Organization’s filings →

More from the funding graph