Animals nonprofits in Maryland

697 animal nonprofits in Maryland file a Form 990. Together they report $557 million in revenue and hold $1.2 billion in assets.

Browse all 318 animal nonprofits in Maryland →

The largest are The Humane Society Of The United States, National Aquarium, and The Maryland Zoological Society Inc.

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Animals in Maryland

Largest by revenue first.

The Humane Society Of The United States 501(c)(3) · Gaithersburg, MD	$207.9M
National Aquarium 501(c)(3) · Baltimore, MD	$74.4M
The Maryland Zoological Society Inc 501(c)(3) · Baltimore, MD	$28.2M
The Humane League 501(c)(3) · Rockville, MD	$27.9M
Alley Cat Allies Incorporated 501(c)(3) · Bethesda, MD	$22.3M
American Association Of Zoological Parks And Aquariums Inc 501(c)(3) · Silver Spring, MD	$20.9M
Gentle Giants Draft Horse Rescue Society Ltd 501(c)(3) · Mount Airy, MD	$9.3M
Aaalac International Inc 501(c)(3) · Frederick, MD	$9.3M
The Maryland Spca Inc 501(c)(3) · Baltimore, MD	$8.3M
Romanian League In Defense Of Anima Ls 501(c)(3) · Crofton, MD	$7.3M
Baltimore Animal Rescue And Care Shelter Barcs 501(c)(3) · Brooklyn, MD	$6.8M
LLast Chance Animal Rescue Inc 501(c)(3) · White Plains, MD	$6.7M
American Fisheries Society Inc 501(c)(3) · Bethesda, MD	$6.1M
Center For A Humane Economy Inc 501(c)(3) · Bethesda, MD	$3.9M
Humane Society Of Washington County Incorporated 501(c)(3) · Hagerstown, MD	$3.7M
Montgomery County Humane Society Inc 501(c)(3) · Rockville, MD	$3.6M
Days End Farm Horse Rescue Inc 501(c)(3) · Woodbine, MD	$3.5M
Wildlife Habitat Council Inc 501(c)(3) · Bethesda, MD	$3.5M
Alley Cat Rescue Inc 501(c)(3) · Mt Rainier, MD	$3.3M
Defenders Of Animal Rights Inc 501(c)(3) · Phoenix, MD	$3.3M
Humane Society Of Baltimore County Inc 501(c)(3) · Reisterstown, MD	$3.2M
Hart For Animals Inc 501(c)(3) · Mchenry, MD	$2.7M
Humane Society Of Harford County Inc 501(c)(3) · Fallston, MD	$2.7M
Society For The Prevention Of Cruelty To Animals Of A A Co Md In 501(c)(3) · Annapolis, MD	$2.6M
Born Free Usa United With Animal Protection Institute 501(c)(3) · Silver Spring, MD	$2.6M
Global Wildlife Trust Inc 501(c)(3) · Thurmont, MD	$2.4M
Montgomery County Society For The Prevention Of Cruelty To Animals I 501(c)(3) · Potomac, MD	$2.4M
Second Chance Wildlife Center Inc 501(c)(3) · Clarksburg, MD	$2.3M
Waterfowl Festival Inc 501(c)(3) · Easton, MD	$2.2M
National Aquarium Foundation Inc 501(c)(3) · Baltimore, MD	$2.1M
Plumpton Park Zoological Gardens Inc 501(c)(3) · Rising Sun, MD	$1.9M
Maryland Horse Breeders Association Inc 501(c)(6) · Reisterstown, MD	$1.8M
Animal Outlook Inc 501(c)(3) · Takoma Park, MD	$1.8M
Humane Society Of Carroll County Inc 501(c)(3) · Westminster, MD	$1.8M
Talbot Humane Co 501(c)(3) · Easton, MD	$1.7M
Humane Society Of Wicomico County Inc 501(c)(3) · Salisbury, MD	$1.7M
Animals Angels Incorporated 501(c)(3) · Westminster, MD	$1.6M
Ferry Cove Shellfish Inc 501(c)(3) · Sherwood, MD	$1.5M
Humane Society Of Kent County Incorporated 501(c)(3) · Chestertown, MD	$1.5M
RRude Ranch Animal Rescue Inc 501(c)(3) · Millersville, MD	$1.4M
Patuxent Animal Welfare Society 501(c)(3) · Huntingtown, MD	$1.3M
UUnited Spay Alliance 501(c)(3) · Walkersville, MD	$1.3M
WWildfowl Trust Of North America Inc 501(c)(3) · Grasonville, MD	$1.2M
Companions And Animals For Reform And Equity Inc 501(c)(3) · Baltimore, MD	$1.1M
The Biophilia Foundation Inc 501(c)(3) · Chester, MD	$1.1M
Worcester County Humane Society Incorporated 501(c)(3) · Berlin, MD	$1.0M
Lab Rescue Of Lrcp Incorporated 501(c)(3) · Lutherville, MD	$988K
Poplar Spring Animal Sanctuary Inc 501(c)(3) · Poolesville, MD	$952K
The Pet Care Trust 501(c)(3) · Forest Hill, MD	$902K
Race For Life Inc 501(c)(3) · Annapolis, MD	$882K
AAllegany County Animal Shelter Management Foundation 501(c)(3) · Cumberland, MD	$853K
CCentre For Wildlife Studies Inc 501(c)(3) · Bethesda, MD	$837K
Small Miracles Cat And Dog Rescue Inc 501(c)(3) · Ellicott City, MD	$828K
Caroline County Humane Society Inc 501(c)(3) · Ridgely, MD	$810K
The Foxie G Foundation Inc 501(c)(3) · Union Bridge, MD	$803K
The Humane Society Of Dorchester County Inc 501(c)(3) · Cambridge, MD	$781K
The Frederick County Humane Society Inc 501(c)(3) · Frederick, MD	$775K
Retired Racehorse Project Ltd 501(c)(3) · Edgewater, MD	$768K
United States War Dogs Association Inc 501(c)(3) · Towson, MD	$754K
Humane Society Of Charles County Inc 501(c)(3) · Waldorf, MD	$753K
Petconnect Rescue Inc 501(c)(3) · Potomac, MD	$717K
Pet Rescue Of Maryland Independent Sanctuary And Education Inc 501(c)(3) · Monkton, MD	$708K
Fetch Thrift Shop Inc 501(c)(3) · Frederick, MD	$706K
Animal Welfare League Of Frederick County 501(c)(3) · Frederick, MD	$698K
Beyond The Wire Inc 501(c)(3) · Owings Mills, MD	$644K
Pets With Disabilities Inc 501(c)(3) · Prnc Frederck, MD	$620K
Acvs Foundation Inc 501(c)(3) · Germantown, MD	$613K
Senior Dog Sanctuary Of Maryland Inc 501(c)(3) · Severn, MD	$606K
Show Your Soft Side Inc 501(c)(3) · Baltimore, MD	$587K
AAfter The Races 501(c)(3) · Elkton, MD	$570K
CCanine Humane Network 501(c)(3) · Columbia, MD	$560K
Farm Animal Reform Movement Inc 501(c)(3) · Bethesda, MD	$550K
Friends Of Montgomery County Animals Inc 501(c)(3) · Germantown, MD	$505K
SSpca & Humane Society Of Prince Georges County Inc 501(c)(3) · Bowie, MD	$502K
Your Dogs Friend Inc 501(c)(3) · Rockville, MD	$469K
Wicomico Valley Foundation Of Southern Maryland Inc 501(c)(3) · Bryantown, MD	$449K
Oriole Dog Training Club Incorporated 501(c)(3) · Halethorpe, MD	$449K
Midatlantic Horse Rescue Inc 501(c)(3) · Chesapeake Cy, MD	$433K
The Big Fix 501(c)(3) · Hyattsville, MD	$401K
Friends Of Rabbits Inc 501(c)(3) · Columbia, MD	$390K
Animal Allies Rescue Foundation Inc 501(c)(3) · Baltimore, MD	$384K
Helping Every Animal Receive Treatment Inc 501(c)(3) · Annapolis, MD	$378K
House Of Hope Animal Rescue Inc 501(c)(3) · Elkton, MD	$366K
Mid-Atlantic German Shepherd Rescue Inc 501(c)(3) · Mount Airy, MD	$359K
PParasdham Usa Inc 501(c)(3) · Ashton, MD	$342K
FFebruary Star Sanctuary Inc 501(c)(3) · Knoxville, MD	$339K
FFriends Of All Critters At Shelters Inc 501(c)(3) · Potomac, MD	$339K
Calvert Animal Welfare League Inc 501(c)(3) · Prnc Frederck, MD	$336K
Kennel To Couch Inc 501(c)(3) · Bel Air, MD	$334K
Fifty Shades Of Furr Inc 501(c)(3) · Hagerstown, MD	$315K
MMiris Legacy Inc 501(c)(3) · Rockville, MD	$305K
PPurr Chance Inc 501(c)(3) · Ft Washington, MD	$300K
Rosies Farm Sanctuary Inc 501(c)(3) · Potomac, MD	$295K
Salisbury Zoo Foundation Inc 501(c)(3) · Salisbury, MD	$294K
CCity Ranch Inc 501(c)(3) · Baltimore, MD	$291K
Atlantic Conservation Partnership Ltd 501(c)(3) · Bethesda, MD	$286K
Salisbury Maryland Kennel Club Inc 501(c)(4) · Salisbury, MD	$275K
Laurel Cats Inc 501(c)(3) · Laurel, MD	$271K
A Cats Life Rescue 501(c)(3) · Hyattsville, MD	$267K
Hero Rescue Incorporated 501(c)(3) · Jarrettsville, MD	$260K

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