1. Directory of nonprofits
  2. Locations
  3. Maryland
  4. Maryland animal organizations

Maryland animal organizations

There are 747 animal-focused nonprofit organizations in Maryland. Combined, these Marylander animal organizations employ 2,883 people, earn more than $399 million in revenue each year, and have assets of $709 million.
Skip to:
Related directory pages:

Types of animal organizations in Maryland

Nonprofit typeNumberRevenues
Animal shelters and animal welfare organizations
 
475
 
$180,592,771
Wildlife conservation and protection organizations
 
96
 
$75,149,979
Animal services organizations
 
51
 
$5,111,149
Animal professional societies
 
32
 
$7,387,314
Wildlife sanctuaries and refuges
 
26
 
$13,717,106
Organizations supporting multiple animal nonprofits
 
16
 
$0
Veterinary organizations
 
14
 
$1,626,824
Animal alliances and advocates
 
11
 
$0
Zoos and acquariums
 
8
 
$127,131,915
Endangered species protection organizations
 
8
 
$727,571
Showing 10 of 12 categories

Animal organizations by major Maryland cities

Metro areaNonprofitsRevenues
Baltimore
 
318
 
$189,150,224
Washington DC
 
265
 
$184,800,119
Salisbury
 
40
 
$3,656,225
Philadelphia, PA
 
28
 
$3,725,039
Hagerstown
 
21
 
$4,411,997
Lexington Park, MD
 
18
 
$900,826
Cumberland
 
17
 
$1,329,063
Showing 7 of 7 metros

Job trends for Maryland animal organizations

Employees per organizationNumber of organizations
0
 
106
1-10
 
31
11-25
 
23
26-100
 
24
101 to 1,000
 
7
1,000+
 
0
Key takeaways for employment stats:

Sizes of animal organizations in Maryland

Revenues per organizationNumber of organizations
< $250k
 
202
$250k to $1M
 
57
$1M to $5M
 
31
$5M to $25M
 
15
$25M to $100M
 
2
$100M+
 
0
Key takeaways for revenue stats:

Directory of animal organizations in Maryland

Want to add filters to this list, or drill down on results in detail? Open in the Cause IQ search interface
1-20 of 747

The Maryland Spca

The Maryland SPCA rescues pets, connects them with loving homes, and promotes animal welfare through education, medical services, and community outreach.
Revenue
$8.3m
Assets
$39.8m
Employees
115
EIN
52-6001558
IRS type
501(c)(3)

Association of Zoos and Aquariums

Association of Zoos and Aquariums advances wildlife conservation and education through accredited facilities, managing animal programs, and supporting species preservation initiatives.
Revenue
$20.9m
Assets
$35.2m
Employees
50
EIN
55-0526930
IRS type
501(c)(3)

National Marine Sanctuary Foundation (NMSF)

The National Marine Sanctuary Foundation is a private, non-profit, 501(c)(3) charity whose vision is to strengthen and expand the network of national marine sanctuaries for the benefit of current and future generations.
Revenue
$36.0m
Assets
$15.5m
Employees
124
EIN
94-3370994
IRS type
501(c)(3)

Alley Cat Allies

Alley Cat Allies is the global engine of change for cats. They protect and improve cats' lives through their innovative, cutting-edge programs. They are seen around the world as a champion for the humane treatment of all cats.
Revenue
$22.3m
Assets
$39.7m
Employees
14
EIN
52-1742079
IRS type
501(c)(3)

Warrior Canine Connection (WCC)

Warrior Canine Connection is a pioneering organization that utilizes clinically based Canine Connection Therapy to help wounded Warriors reconnect with life, their families, their communities, and each other.
Revenue
$5.6m
Assets
$18.5m
Employees
68
EIN
45-2981579
IRS type
501(c)(3)

Aaalac International

Aaalac International promotes animal welfare through accreditation, ensuring high standards of humane care and advancing responsible practices in science and education.
Revenue
$9.3m
Assets
$17.8m
Employees
18
EIN
36-2549660
IRS type
501(c)(3)

Wild Earth Allies

Wild Earth Allies joins forces with local organizations and individuals to protect the wildlife and habitats that are so vital to the global biodiversity and sustainability.
Revenue
$6.2m
Assets
$9.2m
Employees
13
EIN
04-2730954
IRS type
501(c)(3)

National Aquarium

National Aquarium connects people to nature, inspiring ocean conservation through education, habitat restoration, and sustainable practices while showcasing over 20,000 animals.
Revenue
$74.4m
Assets
$101.5m
Employees
426
EIN
52-1121163
IRS type
501(c)(3)

Last Chance Animal Rescue

Last Chance is a non-profit corporation that rescues and cares for abandoned pets and places them in good homes in Maryland, Washington, dc, and northen Virginia. Their Animal clinic provides high quality, high volume, low cost spay and neuter services.
Revenue
$6.7m
Assets
$9.9m
Employees
141
EIN
52-2328626
IRS type
501(c)(3)

Born Free USA United with API

Born Free USA united with API protects wildlife through Compassionate Conservation, opposes captivity, supports primate sanctuary care, and strengthens laws and enforcement against exploitation.
Revenue
$8.3m
Assets
$7.7m
Employees
25
EIN
94-6187633
IRS type
501(c)(3)

The Humane League

We exist to end the abuse of animals raised for food by influencing the policies of the world's biggest companies, demanding legislation, and empowering others to take action and leave animals off their plates.
Revenue
$22.1m
Assets
$27.0m
Employees
112
EIN
04-3817491
IRS type
501(c)(3)

American Fisheries Society (AFS)

AFS is dedicated to advancing fisheries science, conservation and sustainability of fishery resources, and developing fisheries professionals.
Revenue
$6.1m
Assets
$7.0m
Employees
17
EIN
54-0683803
IRS type
501(c)(3)

Center for A Humane Economy

Center for A Humane Economy advances animal welfare by pressuring corporations and policymakers, using research, campaigns, litigation, and coalitions to end cruelty across industries.
Revenue
$3.9m
Assets
$3.5m
Employees
16
EIN
83-2620507
IRS type
501(c)(3)

Catoctin Wildlife Preserve and Zoo

Catoctin Wildlife Preserve and Zoo broadens understanding of the animal world through naturalistic recreations and educational programs with live animals.
Revenue
$2.4m
Assets
$2.1m
Employees
60
EIN
20-1935855
IRS type
501(c)(3)

Wildlife Habitat Council

Wildlife Habitat Council promotes habitat conservation on corporate lands through partnerships, education and decision tools that connect sustainability goals to on-the-ground actions.
Revenue
$3.5m
Assets
$2.2m
Employees
27
EIN
52-1558579
IRS type
501(c)(3)

Alley Cat Rescue

ACRs programs promote better care for community cats through trap-neuter-return. Local programs include placing unwanted cats in new homes, running a low-cost spay/neuter clinic, and providing support for local feral cat caretakers.
Revenue
$3.3m
Assets
$3.1m
Employees
21
EIN
52-2279100
IRS type
501(c)(3)

Oyster Recovery Partnership

The Oyster Recovery Partnership (orp) is a 501 (c)(3) non-profit based in annapolis, Maryland, whose mission is to plan, promote and implement science-based and sustainable shellfish restoration, aquaculture and wild fishery activities to protect our envi....
Revenue
$9.7m
Assets
$2.7m
Employees
24
EIN
23-7204806
IRS type
501(c)(3)

Gentle Giants Draft Horse Rescue Society

Gentle Giants Draft Horse Rescue Society saves draft horses from abuse, offers sanctuary, facilitates adoptions, and supports humane law enforcement across the U.S.
Revenue
$9.3m
Assets
$13.4m
Employees
47
EIN
59-3822764
IRS type
501(c)(3)

Baltimore Animal Rescue and Care Shelter (BARCS)

Barcs takes in over 11,000 dogs and cats and approximately 1,000 exotic, wildlife and other small mammals each year. The animals that Barcs cares for were lost, abandoned, abused, neglected or surrendered by their owners.
Revenue
$8.0m
Assets
$6.6m
Employees
116
EIN
86-1130456
IRS type
501(c)(3)

The Maryland Zoo in Baltimore

Currently the Maryland Zoo in Baltimore's animal collection encompasses birds, mammals, amphibians and reptiles, representing nearly 200 species. Animals are displayed in natural settings replicating their native habitats.
Revenue
$25.0m
Assets
$81.6m
Employees
262
EIN
52-0996352
IRS type
501(c)(3)
Want more insights on animal organizations in Maryland?
There's a whole lot more to Cause IQ than what you see here. Additional filters, personnel information, peer benchmarking, Salesforce integration, vendor lists, etc. Access all the information your company needs in one place, already collected.
Schedule a demo
Over 200 customers use Cause IQ to grow, maintain, and serve their nonprofit clients.
Methodology: Cause IQ mines all tax-exempt organizations that file a Form 990, Form 990-EZ, or Form 990-PF with the IRS. We collect and aggregate this information from OCR'd paper taxreturns, XML e-file taxreturns, IRS-provided extract, the Business Master File, and Cause IQ secret sauce for data cleaning, categorization, classification, analytics, etc.
This category corresponds to the "D00: Animal Related: General" National Taxonomy of Exempt Entities (NTEE) code. Cause IQ determines NTEEs for organizations by its own internally-developed secret-sauce algorithms.
Cause IQ is a website that helps companies grow, maintain, and serve their nonprofit clients, and helps nonprofits find additional foundation funding. Our data and tools help professionals prospect for nonprofits, research opportunities, benchmark their clients, and enrich existing information.
Nonprofits
Product
Customers
About

© 2026 Nonprofit Metrics LLC
Terms of Service and Privacy Policy