Company lists · Data refreshed September 2026

Top 25 Vaccine development companies based in the United States

RevenueBase identified 117 company matches for vaccine development companies associated with the United States as of September 2026 and tracks 42,161 professional contacts across them, including 20,259 with verified work emails. Seattle is the largest hub.

This list covers company matches for vaccine development companies 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 September 22, 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 Sep 22, 2026 How this list was built
117Companies
42,161Contacts tracked
20,259Verified emails
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The 25 largest vaccine development companies based in the United States

Ranked by team size
Top 25 of 117 company matches for vaccine development companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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 matchRahway, NJ, United StatesHQ recorded Sep 22, 202610001+38,156 contacts →

Exact match

“At Merck, known as MSD outside of the United States and Canada, we are unified around our purpose: We use the power of leading-edge science to save and improve lives around the…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchSan Carlos, CA, United StatesHQ recorded Sep 22, 2026501-1,000485 contacts →

Exact match

“Vaxcyte is a vaccine innovation company engineering high-fidelity vaccines to protect humankind from the consequences of bacterial diseases.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Sep 22, 2026201-500351 contacts →

Exact match

“Translating scientific discoveries into affordable, globally accessible public health solutions.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchMonument, CO, United StatesHQ recorded Sep 22, 2026n/a333 contacts →

Exact match

“Phizer Pharmaceuticals Inc is an information technology and services company based out of 3020 Vandenberg Ave, Monument, Colorado, United States.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchEmeryville, CA, United StatesHQ recorded Sep 22, 2026201-500306 contacts →

Exact match

“Dynavax, a Sanofi Company, is a commercial-stage biopharmaceutical company developing and commercializing innovative vaccines to help protect the world against infectious diseases.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchRedmond, WA, United StatesHQ recorded Sep 22, 202651-200195 contacts →

Exact match

“At Inventprise, developing innovative and widely available vaccines is in our DNA.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchCambridge, MA, United StatesHQ recorded Sep 22, 202651-200191 contacts →

Exact match

“The Gates Medical Research Institute is a non-profit organization dedicated to the development and effective use of novel biomedical interventions addressing substantial global…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchBuffalo, NY, United StatesHQ recorded Sep 22, 202651-200134 contacts →

Exact match

“ZeptoMetrix brings together some of the world's leading scientists in the fight against infectious disease.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchWashington, DC, United StatesHQ recorded Sep 22, 202651-200124 contacts →

Exact match

“At Sabin, we develop impactful vaccines, fuel actionable research, champion data-driven advocacy, and strengthen immunization leadership in communities around the globe.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 2026201-50067 contacts →

Exact match

“The Center for Infectious Disease Research (formerly Seattle Biomedical Research Institute) was founded in 1976 by Dr.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 202651-20061 contacts →

Exact match

“HDT Bio is a vaccine and immunotherapy Biotechnology company developing drugs for immunotherapy of cancers and infectious diseases with next-generation approaches designed to…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchCambridge, MA, United StatesHQ recorded Sep 22, 202651-20045 contacts →

Exact match

“VBI Vaccines Inc.(“VBI”) is a biopharmaceutical company driven by immunology in the pursuit of powerful prevention and treatment of disease.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 202611-5039 contacts →

Exact match

“AAHI is a nonprofit biotech research institute dedicated to developing vaccine technologies that are affordable, effective, and accessible to everyone - regardless of geography or…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchBoston, MA, United StatesHQ recorded Sep 22, 202651-20034 contacts →

Exact match

“HilleVax is a biopharmaceutical company focused on the development and commercialization of novel vaccines.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchAlpharetta, GA, United StatesHQ recorded Sep 22, 202611-5032 contacts →

Exact match

“LivFul is an unconventional life science company that prioritizes health access and impact before profit maximization.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchHauppauge, NY, United StatesHQ recorded Sep 22, 202611-5030 contacts →

Exact match

“United Biomedical, Inc (UBI) is a privately held multinational biopharmaceutical company dedicated to the discovery, development and commercialization of immunotherapeutics and…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchCape Canaveral, FL, United StatesHQ recorded Sep 22, 202651-20027 contacts →

Exact match

“Vaxxinity is a U.S-based global biotechnology company pioneering a new class of medicines to democratize health.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchWashington, DC, United StatesHQ recorded Sep 22, 202611-5022 contacts →

Exact match

“Vaccinate Your Family (VYF) is a nonprofit organization founded in 1991 by Former First Lady Rosalynn Carter and Former First Lady of Arkansas Betty Bumpers under the name Every…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchWorthington, MN, United StatesHQ recorded Sep 22, 202651-20021 contacts →

Exact match

“Newport Laboratories Inc is a biotechnology company based out of Worthington Minnesota”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchFarmingdale, NY, United StatesHQ recorded Sep 22, 202611-5020 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchHonolulu, HI, United StatesHQ recorded Sep 22, 202611-5018 contacts →

Exact match

“Hawaii Biotech, Inc.(HBI) is a privately held biotechnology company focused on the research and development of vaccines for established and emerging infectious diseases.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchTampa, FL, United StatesHQ recorded Sep 22, 202611-5017 contacts →

Exact match

“Every year, 69 million people worldwide sustain a concussion.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 202611-5017 contacts →

Exact match

“Icosavax is focused on developing safe and effective vaccines against infectious diseases that address important unmet medical needs and reduce healthcare costs.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchWeston, FL, United StatesHQ recorded Sep 22, 202611-5014 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchSt. Paul, MN, United StatesHQ recorded Sep 22, 202611-5013 contacts →

Exact match

“Immunize.org (formerly Immunization Action Coalition) established its website in 1994.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 117 vaccine development companies based in the United States

See the full list, filter by size, metro and specialty, and access 20,259 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Vaccine development companies based in the United States at a glance

As of Sep 22, 2026
48.1%Verified-email coverage
360.4Average contacts per company
11-50Median size (employees)
6.0%Largest-city concentration · Seattle
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
34
11-50
44
51-200
22
201-500
12
501-1,000
1
1,001-5,000
1
5,001-10,000
2
10001+
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 117 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 “vaccine development companies” 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 20,259 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 September 22, 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 “vaccine development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many vaccine development companies are there based in the United States?

RevenueBase identified 117 company matches for vaccine development companies associated with the United States as of September 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?

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

Which city has the most vaccine development companies?

Seattle leads with 7 company records, followed by Cambridge (6) and Boston (5).

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 20,259 professional contacts with verified work emails tracked across these 117 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 September 22, 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.