Company lists · Data refreshed September 2026
Top 25 Pet adoption and rescue service companies based in the United States
RevenueBase identified 1,779 pet adoption and rescue service companies headquartered in the United States as of September 2026 and tracks 18,109 professional contacts across them, including 5,059 with verified work emails. New York is the largest hub.
This list covers pet adoption and rescue service companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest pet adoption and rescue service companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 472 contacts → | ||||
Indirect evidence “Every year, Animal Humane Society provides direct care and services to help more than animals in need across Minnesota.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 434 contacts → | ||||
Indirect evidence “San Diego Humane Society, an open-admission shelter, is creating a more humane world by inspiring compassion and advancing the welfare of animals and people.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 270 contacts → | ||||
Indirect evidence “At the San Francisco SPCA we envision a world in which the love people share with animals uplifts humanity to a state of greater compassion.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 227 contacts → | ||||
Indirect evidence “Over the past 150+ years, we’ve been busy!” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 225 contacts → | ||||
Partial evidence “PAWS Chicago is one of the nation’s largest comprehensive No Kill animal welfare organizations, building innovative programs to end the killing of homeless pets.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 174 contacts → | ||||
Indirect evidence “Since 1944, North Shore Animal League America has been saving the lives of innocent dogs, cats, puppies, and kittens, over to date.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 153 contacts → | ||||
Indirect evidence “Founded in 1879, the Wisconsin Humane Society has been saving the lives of animals in need for nearly 140 years.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 150 contacts → | ||||
Indirect evidence “Helen Woodward Animal Center is a unique, private, non-profit organization in San Diego County that, for over 50 years, has been committed to the philosophy of people helping…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 150 contacts → | ||||
Indirect evidence “At LifeLine Animal Project, we don’t just run shelters, we’re saving lives.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 148 contacts → | ||||
Indirect evidence “Founded in 1949, the Humane Society of the Pikes Peak Region (HSPPR) is a public 501 (c) 3 nonprofit animal welfare organization dedicated to the care and protection of…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 146 contacts → | ||||
Partial evidence “Humane Society Silicon Valley (HSSV) is an independent, 501(c)(3) non-profit animal shelter that has been serving people and pets since 1929.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 136 contacts → | ||||
Partial evidence “The Atlanta Humane Society is a no-kill shelter providing sheltering and adoption, veterinary care, and community outreach.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 135 contacts → | ||||
Partial evidence “The Washington Humane Society and the Washington Animal Rescue League have each served the animals and people of the District of Columbia and the National Capitol region for over…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 132 contacts → | ||||
Indirect evidence “Peninsula Humane Society & SPCA is a private, open-door, not-for-profit animal welfare organization.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 127 contacts → | ||||
Partial evidence “Founded in 1897, Seattle Humane is creating a kinder world for pets and their people through impactful programs and support services.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 116 contacts → | ||||
Partial evidence “Pets change our lives.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 113 contacts → | ||||
Partial evidence “For over 125 years, The Animal Rescue League of Boston (ARL) has responded to the needs of animals and the people who care about them.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 113 contacts → | ||||
Strong evidence “Humane Animal Rescue of Pittsburgh (HARP) is one of Pennsylvania’s largest non-profit organizations dedicated to the welfare of animals, pet owners and the community.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 109 contacts → | ||||
Indirect evidence “The Nebraska Humane Society was founded in 1875 and is the fifth oldest Humane Society in the United States!” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 108 contacts → | ||||
Indirect evidence “Since 1870, the Humane Society of Missouri has been dedicated to second chances.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 101 contacts → | ||||
Strong evidence “The Animal Rescue League of Iowa Inc.(ARL) is Iowa's largest nonprofit animal shelter, caring for many thousands of pets each year.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 101 contacts → | ||||
Indirect evidence “Founded in 1944, Wayside Waifs is a private, 501c3 animal welfare organization in Kansas City, Missouri.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 100 contacts → | ||||
Indirect evidence “Pasadena Humane is more than an animal shelter; we are a community-supported animal resource center providing compassion and care for all animals.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 99 contacts → | ||||
Strong evidence “Joybound People & Pets is a nonprofit dedicated to strengthening the human-animal bond by providing compassionate rescue and adoption programs, pet-focused vocational training…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 98 contacts → | ||||
Indirect evidence “Founded in 1899, Anti-Cruelty is Chicago’s oldest and largest, private, open-admission, unlimited stay humane society.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: pet adoption and rescue service companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names pet adoption and rescue service companies.
- Partial evidence
- Its own public description names part of pet adoption and rescue service companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name pet adoption and rescue service companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 1,779 pet adoption and rescue service companies based in the United States
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 5,059 reachable decision-makers.
Free signup · no credit card
Pet adoption and rescue service companies based in the United States at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,779 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among pet adoption and rescue service companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “pet adoption and rescue service companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names pet adoption and rescue service companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among pet adoption and rescue service companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 5,059 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Pet adoption and rescue service companies by metro
- Pet adoption and rescue service companies in New York26
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names pet adoption and rescue service companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many pet adoption and rescue service companies are there based in the United States?
RevenueBase identified 1,779 pet adoption and rescue service companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Animal Humane Society, headquartered in Golden Valley, tops this list with the largest team on record.
Which city has the most pet adoption and rescue service companies?
New York leads with 26 headquartered companies, followed by Los Angeles (23) and Houston (18).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 5,059 verified decision-maker contacts tracked across these 1,779 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,779 pet adoption and rescue service companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Pet adoption and rescue service companies by geography
- Pet adoption and rescue service companies based in Australia
- Pet adoption and rescue service companies based in Canada
- Pet adoption and rescue service companies based in India
- Pet adoption and rescue service companies based in the Netherlands
- Pet adoption and rescue service companies based in the United Kingdom
Browse the directory
Browse: Companies home · All United States lists · All Pet adoption and rescue service companies lists · New lists
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Pet adoption and rescue service companies based in Australia
- Pet adoption and rescue service companies based in Canada
- Pet adoption and rescue service companies based in India
- Pet adoption and rescue service companies based in the Netherlands
- Pet adoption and rescue service companies based in the United Kingdom
- AI companies based in the United States