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

Massachusetts animal organizations

There are 821 animal-focused nonprofit organizations in Massachusetts. Combined, these Massachusettsan animal organizations employ 3,246 people, earn more than $447 million in revenue each year, and have assets of $1000 million.
Skip to:
Related directory pages:

Types of animal organizations in Massachusetts

Nonprofit typeNumberRevenues
Animal shelters and animal welfare organizations
 
459
 
$249,785,157
Wildlife conservation and protection organizations
 
153
 
$74,811,858
Animal services organizations
 
77
 
$3,986,386
Wildlife sanctuaries and refuges
 
32
 
$35,003,300
Organizations supporting multiple animal nonprofits
 
32
 
$8,052,921
Endangered species protection organizations
 
21
 
$9,382,132
Animal professional societies
 
16
 
$1,463,280
Organizations suppporting a single animal nonprofit
 
14
 
$627,803
Veterinary organizations
 
13
 
$20,655,406
Animal alliances and advocates
 
9
 
$67,234
Showing 10 of 13 categories

Animal organizations by major Massachusetts cities

Metro areaNonprofitsRevenues
Boston
 
426
 
$355,537,359
Worcester
 
122
 
$41,030,996
Providence, RI
 
83
 
$9,456,384
Springfield, MA
 
82
 
$14,423,540
Barnstable Town
 
62
 
$13,346,619
Pittsfield
 
30
 
$4,586,128
Showing 6 of 6 metros

Job trends for Massachusetts animal organizations

Employees per organizationNumber of organizations
0
 
109
1-10
 
56
11-25
 
24
26-100
 
12
101 to 1,000
 
4
1,000+
 
1
Key takeaways for employment stats:

Sizes of animal organizations in Massachusetts

Revenues per organizationNumber of organizations
< $250k
 
314
$250k to $1M
 
67
$1M to $5M
 
28
$5M to $25M
 
7
$25M to $100M
 
3
$100M+
 
1
Key takeaways for revenue stats:

Directory of animal organizations in Massachusetts

Want to add filters to this list, or drill down on results in detail? Open in the Cause IQ search interface
1-20 of 821

Massachusetts Society for the Prevention of Cruelty to Animals (MSPCA-Angell)

The MSPCA-Angell is a national and international leader in animal protection and veterinary medicine and provides direct hands-on care for thousands of animals each year.
Revenue
$144.8m
Assets
$252.2m
Employees
1,063
EIN
04-2103597
IRS type
501(c)(3)

Commonwealth Zoological Corporation (CZC)

Zoo New England's mission is to inspire people to protect and sustain the natural world for future generations by creating fun and engaging experiences that integrate wildlife and conservation programs, research, and education.
Revenue
$29.1m
Assets
$58.9m
Employees
400
EIN
04-3129124
IRS type
501(c)(3)

New England Fishery Management Council (NEFMC)

NEFMC, one of eight regional councils established by federal legislation in 1976, is charged with conserving and managing fishery resources from three to 200 miles off the coasts of Maine, New Hampshire, Massachusetts, Rhode Island, and Connecticut.
Revenue
$5.3m
Assets
$1.3m
Employees
22
EIN
04-2607425
IRS type
501(c)(3)

EcoHealth Alliance

Ecohealth Alliance protects global health and ecosystems by preventing emerging diseases and promoting conservation through science-based solutions and partnerships.
Revenue
$8.0m
Assets
$1.7m
Employees
54
EIN
31-1726494
IRS type
501(c)(3)

Animal Rescue League of Boston

The Animal Rescue League of Boston provides shelter and care for animals in need, as well as advocacy activities to make long-term changes that improve animal welfare in Massachusetts.
Revenue
$21.9m
Assets
$141.0m
Employees
141
EIN
04-2103714
IRS type
501(c)(3)

New England Aquarium

The New England Aquarium is a global leader in ocean exploration and marine conservation. With more than 1.3 million visitors a year, the Aquarium is one of the premier visitor attractions in Boston and a major public education resource for the region.
Revenue
$54.6m
Assets
$126.6m
Employees
407
EIN
04-2297514
IRS type
501(c)(3)

New England Wildlife Center

The New England Wildlife Center is an informal hands-on science education center and a wildlife hospital in Weymouth, Massachusetts .
Revenue
$30.8m
Assets
$38.6m
Employees
45
EIN
04-2907561
IRS type
501(c)(3)

Four Paws USA

Our vision is a world where humans treat animals with respect, empathy and understanding. To be the strong, global and independent voice for animals.
Revenue
$2.5m
Assets
$406.9k
Employees
18
EIN
27-4352918
IRS type
501(c)(3)

Cape Ann Animal Aid Association

Non-profit, no-kill animal shelter promoting well-being and responsible pet ownership through adoption, spay/neuter programs, education, and outreach.
Revenue
$2.6m
Assets
$7.9m
Employees
26
EIN
04-2374914
IRS type
501(c)(3)

Baypath Humane Society of Hopkinton

Animal shelter providing care, fostering relationships, and promoting education to find loving homes for stray or unwanted companion animals.
Revenue
$2.4m
Assets
$6.4m
Employees
19
EIN
04-2625753
IRS type
501(c)(3)

Foster Parrots

Foster Parrots: Charity preventing animal cruelty. Programs run from the New England Exotic Wildlife Sanctuary in Rockland, MA.
Revenue
$2.8m
Assets
$7.2m
Employees
16
EIN
04-3458267
IRS type
501(c)(3)

Second Chance Animal Services

Animal welfare organization offering temporary shelter and spay/neuter services for stray, abandoned, and surrendered pets.
Revenue
$8.2m
Assets
$7.1m
Employees
0
EIN
04-3490671
IRS type
501(c)(3)

Tufts Veterinary Emergency Treatment and Specialties

Tufts VETS (Veterinary Emergency Treatment and Specialties) in Walpole, Massachusetts serves pets throughout New England with 24-hour emergency veterinary and specialty referral services. They see over 20,000 cases each year.
Revenue
$19.0m
Assets
$10.1m
Employees
181
EIN
04-3430674
IRS type
501(c)(3)

Dakin Humane Society

Dakin Humane Society delivers effective, innovative services that improve the lives of animals in need and the people who care about them.
Revenue
$5.5m
Assets
$7.3m
Employees
82
EIN
20-5318898
IRS type
501(c)(3)

Nantucket Safe Harbor for Animals

Nantucket shelter providing animals with care, spaying/neutering, and education/advocacy to promote welfare, along with Spay Neuter Island Pets program.
Revenue
$5.4m
Assets
$6.1m
Employees
12
EIN
45-3827775
IRS type
501(c)(3)

Paw Safe Animal Rescue

To Rescue abused and abandoned dogs and cats and give them necessary medical treatment including spaying and neutering and to find them loving homes.
Revenue
$781.3k
Assets
$1.2m
Employees
14
EIN
04-3281587
IRS type
501(c)(3)

American Fondouk Maintenance Committee

Free veterinary services for working animals in Morocco. Dedicated to bettering the lives of animals and their families for over 90 years.
Revenue
$1.8m
Assets
$19.9m
Employees
0
EIN
04-6043108
IRS type
501(c)(3)

BirdsCaribbean

BirdsCaribbean promotes scientific study & conservation of Caribbean birds through annual bird census, festivals & education. Based in Natick, Massachusetts.
Revenue
$984.1k
Assets
$841.9k
Employees
2
EIN
03-0455080
IRS type
501(c)(3)

Friends of the Scituate Shelter

Supports Scituate Animal Shelter with adoption assistance, veterinary care, grooming, and maintenance efforts. Thousands of animals adopted to date.
Revenue
$766.6k
Assets
$3.7m
Employees
19
EIN
22-3051387
IRS type
501(c)(3)

Cape Cod Commercial Fishermen's Alliance

Advocates for and supports sustainable local fishing, manages quotas through trusts, and assists fishermen in buying/selling. Based in Chatham, MA.
Revenue
$2.5m
Assets
$10.1m
Employees
11
EIN
04-3138784
IRS type
501(c)(3)
Want more insights on animal organizations in Massachusetts?
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