Humane Society of Missouri

What Humane Society of Missouri does

Humane Society of Missouri (HSMO) is a 501(c)(3) nonprofit animal welfare organization founded in 1870 and headquartered at 1201 Macklind Avenue in St. Louis City. It operates the largest animal shelter in Missouri with three physical sites — the Macklind Avenue headquarters, Best Buddy Pet Center in Maryland Heights, and the 165-acre Longmeadow Rescue Ranch in Union — and runs three wholly owned operating subsidiaries: the Animal Medical Center of Mid-America (AMCMA, the largest veterinary practice in Missouri), Longmeadow Rescue Ranch (large/farm animal rehabilitation), and Best Buddy Pet Center. Its core offering is integrated animal welfare services spanning rescue, adoption, low-cost spay/neuter via Operation SNIP ($9.95/pet), humane education, veterinary care, and disaster response.

Its revenue model is donation-led (no tax or United Way funding), supplemented by adoption fees (ranging $10 for small animals up to $325 for puppies/kittens, with fee waivers for pit bulls and other underserved categories), veterinary service fees from AMCMA (28,077 client visits/year), merchandise via an online store, and modest fee revenue from humane-education programming (camps, school visits, birthday parties). Customer segments are diversified across pet adopters (7,000–9,000 placements annually), donors (individuals, corporations, foundations), volunteers (74,000+ hours/year), education participants, and government/law enforcement partners collaborating through its statewide Animal Cruelty Task Force.

The organization relies on standard third-party technology rather than proprietary systems — 24PetConnect for adoption listings, Bookeo for program registration, Wufoo for volunteer signups, Volgistics for volunteer tracking, and Double the Donation for corporate gift matching — with no disclosed AI/ML capabilities. Corporate supporters include Purina, Emerson, PetSmart Charities, and Fetch Pet Insurance; media partnerships span Fox 2, KMOV, KSDK, and the St. Louis Post-Dispatch for recurring Pet of the Week features. HSMO reports a 100% placement rate for adoptable animals (6,922 adoptions reported for 2025) and 0% euthanasia for time or space.

Name

Humane Society of Missouri

Legal name

Humane Society of Missouri

Website

https://hsmo.org

Company type

Private

Founded year

1870

Operating status

Operating

Headcount range

251–500 employees

Short description

Humane Society of Missouri is a 501(c)(3) animal welfare nonprofit (founded 1870) operating the largest animal shelter in Missouri, with adoption, low-cost spay/neuter, statewide cruelty investigation, veterinary care, and humane education across three sites in the St. Louis region.

Ownership category

akta.pro rank

Product category

Animal Welfare Services

NAICS

Veterinary Services (54194), Veterinary Services (541940), Pet Care (except Veterinary) Services (812910)

SIC

Services-Social Services (8300)

akta.pro primary industry

Animal Shelters & Adoption Services (BPAGAIAA)

akta.pro secondary industries

Veterinary Charity Clinics & Medical Aid (BPAGAIAD), Animal Cruelty Prevention, Investigation & Humane Law Enforcement (BPAGAIAG), Spay/Neuter & Population Control Programs (BPAGAIAE), Sanctuaries & Long-Term Care (Farm, Equine, Exotic) (BPAGAIAH), Education & Community Outreach (Responsible Pet Ownership) (BPAGAIAK), Low-Cost & Community Veterinary Clinics (HLAMAAAE)

Keywords

• Animal welfare services
• Pet adoption services
• Veterinary medical care
• Animal rescue operations
• Humane education programs

Headquarters

HQ city

Chesterfield

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Infrastructure, Others

Revenue model

1. Donations and Charitable Contributions: Primary revenue source from individual donors, corporate sponsors, and foundations. The organization receives no local, state, or federal tax support or United Way funding.
2. Adoption Fees: Fees ranging from $10 for small animals to $325 for puppies/kittens, with various pricing tiers based on animal type, age, and breed. Some adoption specials waive fees.
3. Veterinary Services Revenue: Revenue from Animal Medical Center of Mid-America (AMCMA) providing veterinary care including wellness packages, surgical services, and Integrated Pain Management Center.
4. Merchandise Sales: Online store selling branded merchandise including hats, t-shirts, hoodies, and sweatshirts to support animal care programs.
5. Spay/Neuter Services: Low-cost spay/neuter procedures through Operation SNIP at $9.95 per pet, generating some revenue while supporting mission to reduce pet overpopulation.

Pricing tiers

Go-to-market motion4 records

Distribution channels6 records

Marketing channels7 records

Core offering

The Humane Society of Missouri is a 501(c)(3) nonprofit animal welfare organization that operates animal shelters, adoption centers, and a veterinary practice. It places between 7,000 and 9,000 animals in forever homes annually through three physical locations in the St. Louis metropolitan area and Union, Missouri, while also delivering spay/neuter services, animal cruelty investigations, foster care, humane education, and disaster response.

Product overview

The Humane Society of Missouri operates as a multi-faceted animal welfare organization offering a unified platform of interconnected services centered around animal rescue, adoption, and care. The core product is its Animal Adoption Services, supported by specialized sub-products including Longmeadow Rescue Ranch (farm animal sanctuary), the Animal Cruelty Task Force (investigation and rescue), Operation SNIP (low-cost spay/neuter), and the Animal Medical Center of Mid-America (veterinary services). Additional offerings include Humane Education Programs, Foster Care Program, Pet Care and Behavior Library, Barn/Warehouse Cats Program, Lost & Found Pets Services, Disaster Preparedness Services, and an Online Store. These components work together to provide comprehensive animal welfare from rescue through adoption, supported by education, veterinary care, and community engagement.

Differentiator

Problem solved

Functional benefit

Brands

• Longmeadow Rescue Ranch: Large animal rehabilitation center and sanctuary for horses and farm animals located in Union, Missouri
• Animal Medical Centers of Mid-America (AMCMA)
• Animal Cruelty Task Force (ACT)

Products and services

• Animal Adoption Services Comprehensive pet adoption program placing between 7,000 and 9,000 animals in forever homes annually, with adoptable dogs, cats, rabbits, guinea pigs, and other small animals available at three shelter locations in St. Louis City, Maryland Heights, and Union, Missouri.
• Longmeadow Rescue Ranch 165-acre farm animal sanctuary in Union, Missouri housing over 150 farm animals including horses, cattle, goats, and other farm animals being rehabilitated and awaiting adoption; offers riding lessons, equine training, and groundworks classes.
• Animal Cruelty Task Force (ACT) Statewide rescue and investigation unit responding to reports of animal abuse and neglect across all 114 Missouri counties and the City of St. Louis, handling over 20,000 reports annually with 24-hour emergency response capability.
• Operation SNIP Low-cost spay/neuter initiative offering affordable surgeries at $9.95 per pet to combat pet overpopulation, with 3,390 procedures performed in 2025.
• Animal Medical Center of Mid-America (AMCMA) Largest veterinary practice in Missouri offering wellness packages, surgical services, and an Integrated Pain Management Center for physical therapy and weight loss support; conducted 28,077 client visits in 2025.
• Humane Education Programs Education initiatives reaching approximately 24,072 children and adults annually through 328 programs including summer camps, shelter reading programs, school outreach, Club HOPE, and scout badge workshops.
• Foster Care Program Temporary foster placement program for animals unable to be sheltered at the main facility, placing 1,032 animals with 290 volunteer foster parents providing 21,748 days of care in 2025.
• Barn/Warehouse Cats Program Placement program for feral cats requiring relocation to barns, stables, or warehouses for rodent control, including veterinary care, spay/neuter, ear tipping, and rabies vaccination; adoption fee is waived.
• Lost & Found Pets Services Lost pet reporting system and reunification services, including microchip scanning and collaboration with STL Lost Pets database for matching lost and found animals.
• Disaster Preparedness Services Emergency response and disaster preparedness resources for pets, horses, and livestock, including evacuation planning, disaster kits, and shelter-in-place guidance; HSMO is designated as the lead animal welfare organization by the State Emergency Management Agency.
• HSMO Online Store E-commerce store selling branded merchandise including hats, t-shirts, hoodies, and sweatshirts to support animal care programs.

Quantifiable outcome

• 100% of adoptable animals found forever homes in 2025 (6,922 total)
• +4 more outcomes

Named customers5 records

Segments6 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration8 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• Longmeadow Rescue RanchcoreStrategic or Co-development PartnerA 165-acre farm animal sanctuary in Union, MO operated as part of the HSMO organization, rehabilitating abused and neglected horses, cattle, goats and other farm animals. Houses 150+ animals at any given time, with approximately half being equines.
• Animal Medical Center of Mid-America (AMCMA)coreStrategic or Co-development PartnerThe largest veterinary practice in Missouri, providing state-of-the-art veterinary services including wellness packages, surgical services, Integrated Pain Management Center for physical therapy and weight loss support. HSMO-affiliated veterinary operation with 28,077 client visits annually.
• Pets for PatriotsminorGTM or Marketing PartnerVeterans adoption program partner providing discounts and specials for veterans adopting pets, plus reduced ongoing medical care fees through veterinary partners.
• Missouri Alliance for Animal Legislation (MAAL)minorStrategic or Co-development PartnerAdvocacy partner working to enact and enforce stronger animal protection laws in Missouri. HSMO collaborates with MAAL on legislative initiatives.
• Ready ReadersminorGTM or Marketing PartnerPartnership for Tale to Tails reading program bringing pre-K students to the shelter for animal visits and reading activities.
• STL Lost PetsminorStrategic or Co-development PartnerCollaboration with APA, St. Louis County Animal Control and St. Louis City Animal Control providing a shared database for lost and found pets. HSMO participates in this coordinated lost pet response network.
• State Emergency Management Agency (SEMA)coreStrategic or Co-development PartnerHSMO's Animal Cruelty Task Force designated as the lead animal welfare organization to respond to emergencies and disasters in Missouri.

Scale indicators19 records

Recent moves11 records

Expansion highlights6 records

Broad incumbents

• ASPCA (American Society for the Prevention of Cruelty to Animals): National 501(c)(3) animal welfare nonprofit offering adoption, veterinary care, cruelty investigation, and advocacy. ASPCA is a broad incumbent in the same mission space as HSMO, with national scope versus HSMO's Missouri focus; both run integrated rescue-vet-adoption platforms.
• The Humane Society of the United States (HSUS): National advocacy and direct-care animal welfare organization. HSUS is a broad incumbent that shares the "Humane Society" brand lineage with HSMO (HSMO predates HSUS and was founded by admirers of the same movement) and operates in policy, shelter support, and direct rescue.

Direct peers

• Best Friends Animal Society: National no-kill animal welfare nonprofit operating sanctuary and adoption programs. Best Friends shares HSMO's zero-euthanasia positioning, integrated sanctuary model, and adoption-first strategy; both operate large-scale direct placement of rescued animals with comprehensive veterinary support.
• Stray Rescue of St. Louis: St. Louis-based no-kill animal welfare nonprofit running shelter, adoption, and street rescue operations. Direct regional competitor for adopters, donors, and volunteers in the same metro area as HSMO; both operate rescue-vet-adoption models with strong community positioning.
• Animal Protective Association of Missouri (APA): St. Louis-area animal welfare nonprofit providing adoption and veterinary services. Direct regional peer that participates in the STL Lost Pets collaboration with HSMO; both serve overlapping St. Louis metropolitan adopter and donor populations.

Emerging players

• Emancipet: Nonprofit low-cost veterinary care provider operating in multiple U.S. cities. Emancipet shares HSMO's mission of affordable veterinary access (comparable to HSMO's $9.95 Operation SNIP program) but focuses on vet care rather than adoption.

Regional players

• Tony La Russa's Animal Rescue Foundation (ARF): California-based animal welfare nonprofit combining rescue, adoption, and humane education. ARF mirrors HSMO's integrated welfare-and-education model but operates in a different geography; useful peer for benchmarking humane education programming scale.
• San Francisco SPCA: Established regional SPCA operating adoption, veterinary, and behavior programs. SF SPCA shares HSMO's integrated adoption-plus-vet-plus-education model; comparable scale and similar operating philosophy but different geographic market.

Others

• PetSmart Charities: National animal welfare foundation and HSMO corporate sponsor. PetSmart Charities funds shelter and adoption programs nationally and shares HSMO's adoption-promotion mission, though it operates as a grantmaker rather than a direct shelter operator.
• Maddie's Fund: Family foundation dedicated to achieving no-kill animal sheltering nationwide. Maddie's Fund is a potential funder and thought leader in the same no-kill space HSMO operates in; useful for benchmarking capital deployment toward adoption outcomes and community-based sheltering.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks4 records

Key highlights7 records

Customer concentration

• Xx.com/hsmo
• Facebookfacebook.com/7778654587
• LinkedInlinkedin.com/company/humane-society-of-missouri

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Humane Society of Missouri