Company lists · Data refreshed September 2026

Top 25 Viral vector manufacturers based in the United States

RevenueBase identified 81 company matches for viral vector manufacturers associated with the United States as of September 2026 and tracks 2,500 professional contacts across them, including 1,360 with verified work emails. Rockville is the largest hub.

This list covers company matches for viral vector manufacturers 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 19, 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 19, 2026 How this list was built
81Companies
2,500Contacts tracked
1,360Verified emails
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The 25 largest viral vector manufacturers based in the United States

Ranked by team size
Top 25 of 81 company matches for viral vector manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchColumbus, OH, United StatesHQ recorded Sep 19, 2026201-500456 contacts →

Exact match

“Forge, a member of Ajinomoto Bio-Pharma Services, is a gene therapy development engine, focused on enabling access to life changing gene therapies and helping bring them from idea…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchColumbus, OH, United StatesHQ recorded Sep 19, 2026201-500281 contacts →

Exact match

“Andelyn Biosciences is a gene therapy CDMO dedicated to Turning Hope Into Reality™.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchLexington, MA, United StatesHQ recorded Sep 19, 2026201-500243 contacts →

Exact match

“Founded in 2014 in Indianapolis, IN, Genezen is a best-in-class gene therapy CDMO with over a decade of experience supporting the cell and gene therapy manufacturing market…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchPennington, NJ, United StatesHQ recorded Sep 19, 2026201-500181 contacts →

Exact match

“ProBio is a global contract development and manufacturing (CDMO) organization, which aims to accelerate the manufacturing of life-changing drugs, discover novel therapeutic…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchRockville, MD, United StatesHQ recorded Sep 19, 202651-200115 contacts →

Exact match

“Ascend is gene to GMP partner with deep expertise in advanced therapy development and commercialization.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchChicago, IL, United StatesHQ recorded Sep 19, 2026501-1,00096 contacts →

Exact match

“As a trusted partner for thousands of labs and biotech/pharma companies across the globe, VectorBuilder offers a full spectrum of gene delivery solutions covering virtually all…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchWatertown, MA, United StatesHQ recorded Sep 19, 202651-20083 contacts →

Exact match

“Landmark Bio is now Artis BioSolutions.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchCollege Station, TX, United StatesHQ recorded Sep 19, 202651-20080 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchWaltham, MA, United StatesHQ recorded Sep 19, 202651-20062 contacts →

Exact match

“We are a team with decades of proven success in translating science from bench to bedside across many companies and medicines, in gene therapy and beyond.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Sep 19, 2026201-50059 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchCambridge, MA, United StatesHQ recorded Sep 19, 2026201-50043 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchMonrovia, CA, United StatesHQ recorded Sep 19, 2026n/a35 contacts →

Exact match

“Rampart Bioscience is evolving a new class of medicines for patients with genetically driven diseases.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchRockville, MD, United StatesHQ recorded Sep 19, 202611-5033 contacts →

Exact match

“American Gene Technologies® International Inc.(AGT™) is a private biotechnology company pursuing cures and treatments for infectious diseases, cancers, and monogenic disorders.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 19, 202611-5031 contacts →

Exact match

“Biotherapeutics manufacturing partner enabling scalable production while maintaining product quality.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchGaithersburg, MD, United StatesHQ recorded Sep 19, 202611-5029 contacts →

Exact match

“Born from purpose and for patient access, Vector BioMed is a Public Benefit Corporation engineering the next frontier of lentivirus-based cell and gene therapy.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchMalvern, PA, United StatesHQ recorded Sep 19, 202611-5028 contacts →

Exact match

“We take your plasmid DNA personally.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchGermantown, MD, United StatesHQ recorded Sep 19, 202611-5026 contacts →

Exact match

“uBriGene Biosciences is your bridge from ATMPs concept to commercialization.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchGaithersburg, MD, United StatesHQ recorded Sep 19, 202611-5024 contacts →

Exact match

“GenVec is an entrepreneurial clinical-stage biopharmaceutical company focused on leveraging its proprietary adenovector gene delivery platform to develop a pipeline of…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchSan Diego, CA, United StatesHQ recorded Sep 19, 202611-5022 contacts →

Exact match

“OZ Biosciences is a product development company that creates, develops and commercializes delivery systems of bioactive materials (DNA, siRNA, proteins, antibodies.), intended for…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchBoston, MA, United StatesHQ recorded Sep 19, 202611-5017 contacts →

Exact match

“Nanite is a next-generation non-viral gene delivery company developing a new class of programmable polymer nanoparticles for a range of modalities and indications.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchBedford, MA, United StatesHQ recorded Sep 19, 202651-20017 contacts →

Exact match

“Homology Medicines is a genetic medicines company translating proprietary gene editing and gene therapy technologies into novel treatments for patients with rare diseases.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Sep 19, 202611-5017 contacts →

Exact match

“Virovek specializes in customized and large-scale AAV (adeno-associated virus) production through our innovative and patented BAC-to-AAV and toxin-based cell ablation technologies.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchBoston, MA, United StatesHQ recorded Sep 19, 202611-5016 contacts →

Exact match

“Expanding Therapeutic Potential with Novel Parvovirus Gene Therapy”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchSan Diego, CA, United StatesHQ recorded Sep 19, 202611-5015 contacts →

Exact match

“Replicate Bioscience is amplifying the power of RNA therapeutics by pioneering novel self-replicating RNA (srRNA) technology.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchNew York, NY, United StatesHQ recorded Sep 19, 202611-5015 contacts →

Exact match

“Apertura is a biotechnology company opening opportunities in gene therapy for treating debilitating diseases with limited options.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 81 viral vector manufacturers based in the United States

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Viral vector manufacturers based in the United States at a glance

As of Sep 19, 2026
54.4%Verified-email coverage
30.9Average contacts per company
11-50Median size (employees)
8.6%Largest-city concentration · Rockville
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
30
11-50
27
51-200
10
201-500
12
501-1,000
1
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 81 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 “viral vector manufacturers” 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 1,360 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 19, 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 “viral vector manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many viral vector manufacturers are there based in the United States?

RevenueBase identified 81 company matches for viral vector manufacturers 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?

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

Which city has the most viral vector manufacturers?

Rockville leads with 7 company records, followed by Philadelphia (5) and Boston (4).

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 1,360 professional contacts with verified work emails tracked across these 81 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 19, 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.