Company lists · Data refreshed November 2026

Top 25 Pet immunology testing services based in the United States

RevenueBase identified 74 company matches for pet immunology testing services associated with the United States as of November 2026 and tracks 3,267 professional contacts across them, including 1,181 with verified work emails. Columbia is the largest hub.

This list covers company matches for pet immunology testing services 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
74Companies
3,267Contacts tracked
1,181Verified emails
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The 25 largest pet immunology testing services based in the United States

Ranked by team size
Top 25 of 74 company matches for pet immunology testing services 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 matchFountain Valley, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,993 contacts →

Exact match

“Smarter Diagnostics.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLenexa, KS, United StatesHQ recorded Nov 6, 2026201-500244 contacts →

Exact match

“It’s so much more than a specimen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchShoreline, WA, United StatesHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“Headquartered in Seattle, Washington, US BioTek Laboratories, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchGreenville, SC, United StatesHQ recorded Nov 6, 202651-20056 contacts →

Exact match

“Luxor Scientific is a specialized clinical and research laboratory located in Greenville, SC with a national service range.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMinneapolis, MN, United StatesHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“Bringing the best to your point-of-care practice, we compliment your existing In-clinic lab with quantitative testing of 17 biomarkers- including the only Canine NT-pro BNP…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact 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
7Exact matchNashville, TN, United StatesHQ recorded Nov 6, 202651-20021 contacts →

Exact match

“Phase2 Labs is a premier CLIA-certified, CAP-accredited clinical laboratory delivering exceptional diagnostic testing across core lab services, microbiology, molecular infectious…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchSanta Monica, CA, United StatesHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“Welcome to 911 Health, diagnostic services designed to keep businesses and people well and on the move.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchWilliamsville, NY, United StatesHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“Immco Diagnostics Reference Laboratory, located in Buffalo, NY, USA is licensed throughout the United States for testing serology, biopsy and genetic specimens.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSusquehanna, PA, United StatesHQ recorded Nov 6, 202611-5015 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLargo, FL, United StatesHQ recorded Nov 6, 202611-5013 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact 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
14Exact 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
15Exact matchSandy Springs, GA, United StatesHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“At Shepard Health, we strive to deliver consistent and reliable testing with a commitment to rapid results and emerging technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchRockville, MD, United StatesHQ recorded Nov 6, 2026201-50010 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact 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
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 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
20Exact matchNew Orleans, LA, United StatesHQ recorded Nov 6, 202651-2006 contacts →

Exact match

“PetVet Dx is a therapeutic management company focusing on delivering affordable, accurate, and rapid diagnostics with cutting-edge molecular technology and pharmaceuticals for…”

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 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
23Exact matchNorcross, GA, United StatesHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Innovative Pet Lab | At-Home Tests, Tail-ored Solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchScottsdale, AZ, United StatesHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Fry Laboratories, L.L.C.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchColumbia, MD, United StatesHQ recorded Nov 6, 202611-503 contacts →

Exact match

Recorded description not available.

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

Showing 25 of 74 pet immunology testing services based in the United States

See the full list, filter by size, metro and specialty, and access 1,181 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Pet immunology testing services based in the United States at a glance

As of Nov 6, 2026
36.1%Verified-email coverage
44.1Average contacts per company
11-50Median size (employees)
2.7%Largest-city concentration · Columbia
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
29
11-50
23
51-200
16
201-500
4
1,001-5,000
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 74 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 “pet immunology testing services” 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 1,181 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 “pet immunology testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many pet immunology testing services are there based in the United States?

RevenueBase identified 74 company matches for pet immunology testing services 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?

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

Which city has the most pet immunology testing services?

Columbia leads with 2 company records, followed by Scottsdale (2) and Susquehanna (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 1,181 professional contacts with verified work emails tracked across these 74 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.

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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.