Company lists · Data refreshed November 2026

Top 25 Zoo pathology laboratories based in the United States

RevenueBase identified 62 company matches for zoo pathology laboratories associated with the United States as of November 2026 and tracks 869 professional contacts across them, including 323 with verified work emails. Davis is the largest hub.

This list covers company matches for zoo pathology laboratories associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
62Companies
869Contacts tracked
323Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest zoo pathology laboratories based in the United States

Ranked by team size
Top 25 of 62 company matches for zoo pathology laboratories based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSterling, VA, United StatesHQ recorded Nov 6, 202651-200111 contacts →

Exact match

“Experimental Pathology Laboratories, Inc.(EPL®) is recognized internationally for its ability to meet the needs of the scientific community and the challenges of preclinical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchRamsey, NJ, United StatesHQ recorded Nov 6, 2026201-50059 contacts →

Exact match

“PHILOSOPHY & BACKGROUND Founded in August 2009 Pathline Labs specializes in histopathology lab services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchRichardson, TX, United StatesHQ recorded Nov 6, 202651-20027 contacts →

Exact match

“Ellie Diagnostics is the #1 independent full-service veterinary diagnostics laboratory dedicated to transforming animal health by making wellness testing more accessible.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchDavis, CA, United StatesHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“VDx provides histopathology and cytopathology support to clinical veterinarians, and preclinical services to the medical device, biotech, pharmaceutical, academic and other…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMiami, FL, United StatesHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Independent full service reference laboratory serving veterinarians worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMason, OH, United StatesHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“HSRL and VPS have joined forces to become the leading provider of GLP-compliant research and preclinical histology, pathology and specimen archiving services for the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSouth San Francisco, CA, United StatesHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Peninsula Pathologists is a team of 9 board certified, clinical pathologists and full service, 24-hour in-house histology and cytology laboratory located on the San Francisco Bay…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchRichmond, ME, United StatesHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Solutions for the Blue Revolution Since 1996, Kennebec River Biosciences has provided comprehensive testing and health services to farms, businesses, government agencies, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCamilla, GA, United StatesHQ recorded Nov 6, 202611-5012 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchTampa, FL, United StatesHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Reliance is a privately owned laboratory in Tampa, Florida providing anatomic pathology services for various healthcare organizations for over 20 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Veterinary diagnostic pathology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchGaithersburg, MD, United StatesHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Eastern VetPath, is trusted by veterinarians for the most accurate and reliable pathology services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchDalhart, TX, United StatesHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Circle H Headquarters LLC is your source for a wide variety of services related to animal and food production.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLancaster, PA, United StatesHQ recorded Nov 6, 202611-508 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPittsburgh, PA, United StatesHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Vetenari is a fully independent veterinary laboratory dedicated to supporting the veterinarians who care for our loyal companions and the farmers who keep us fed.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSalina, KS, United StatesHQ recorded Nov 6, 202611-508 contacts →

Exact match

“WPM Pathology Laboratory specializes in Anatomic Pathology, Cytology, and Laboratory Consulting for hospital and physician office laboratories.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchJacksonville, FL, United StatesHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Based in Jacksonville, Florida, AAZV is the professional association for individuals who apply the principles of comparative veterinary medicine to zoo and wildlife species.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchFort Collins, CO, United StatesHQ recorded Nov 6, 20261-107 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAmes, IA, United StatesHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Nevysta provides high quality affordable poultry health services including laboratory diagnostics, veterinary consultation, and research, covering areas related to poultry health…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAlpharetta, GA, United StatesHQ recorded Nov 6, 20261-106 contacts →

Exact match

“Pet Preferred Diagnostics is a veterinary reference laboratory located in Alpharetta, Georgia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLexington, KY, United StatesHQ recorded Nov 6, 202651-2005 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBoulder, CO, United StatesHQ recorded Nov 6, 2026501-1,0005 contacts →

Exact match

“HistoTox Labs is now Inotiv.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchScottsdale, AZ, United StatesHQ recorded Nov 6, 202611-505 contacts →

Exact match

“Our mission is to reshape the veterinary industry by reducing cost, improving service, and eliminating contracts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLeawood, KS, United StatesHQ recorded Nov 6, 20261-103 contacts →

Exact match

“A veterinarian owned and operated diagnostic pathology service serving the Kansas City metro area and beyond.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLouisville, KY, United StatesHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Biosphere Lab is a cutting-edge laboratory dedicated to advancing the fields of anatomic pathology and animal health.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 62 zoo pathology laboratories based in the United States

See the full list, filter by size, metro and specialty, and access 323 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Zoo pathology laboratories based in the United States at a glance

As of Nov 6, 2026
37.2%Verified-email coverage
14.0Average contacts per company
11-50Median size (employees)
4.8%Largest-city concentration · Davis
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
22
11-50
25
51-200
9
201-500
2
501-1,000
1

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 62 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “zoo pathology laboratories” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 323 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “zoo pathology laboratories”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many zoo pathology laboratories are there based in the United States?

RevenueBase identified 62 company matches for zoo pathology laboratories associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

EPL tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most zoo pathology laboratories?

Davis leads with 3 company records, followed by Tampa (2) and Tucson (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 323 professional contacts with verified work emails tracked across these 62 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 62 zoo pathology laboratories based in the United States. Start with a free account, no credit card.

Download this list →

Related 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 SmartSearch, 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.