Company lists · Data refreshed November 2026
Top 25 Protein expression systems companies based in the United States
RevenueBase identified 149 company matches for protein expression systems companies associated with the United States as of November 2026 and tracks 5,407 professional contacts across them, including 2,126 with verified work emails. San Diego is the largest hub.
This list covers company matches for protein expression systems 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 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.
The 25 largest protein expression systems companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,305 contacts → | ||||
Exact match “GenScript Life Science Group is a part of GenScript Biotech Corporation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 271 contacts → | ||||
Exact match “Takara Bio USA, Inc.(formerly Clontech Laboratories, Inc.), a Takara Bio company, develops, manufactures, and distributes a wide range of life science reagents under the Takara®…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 166 contacts → | ||||
Exact match “For more than 45 years, Enzo Biochem has been a leader in innovation and product development to support a diverse range of needs in biomedical research and healthcare.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 145 contacts → | ||||
Exact match “Integral Molecular is a research-driven biotechnology company specializing in antibodies, viruses, and membrane proteins.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 143 contacts → | ||||
Exact match “Vector Laboratories serves and partners with scientists and industry teams developing the next generation of diagnostics, therapeutics, and biological insights.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 134 contacts → | ||||
Exact match “Croda formulates its purpose as 'Smart science to improve lives™'.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 130 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 124 contacts → | ||||
Exact match “ATUM is an industry-leading provider of life science tools and solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 124 contacts → | ||||
Exact match “BPS Bioscience advances new scientific discoveries that lead to therapies by creating innovative solutions for research.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 105 contacts → | ||||
Exact match “Rockland Immunochemicals, Inc.(Rockland) is a trusted partner to scientists worldwide, providing expertly designed and rigorously validated antibodies, assays, and supporting…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 103 contacts → | ||||
Exact match “Discover the World of LAMPIRE Biological Laboratories!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 101 contacts → | ||||
Exact match “AnaSpec, a subsidiary of Kaneka Eurogentec, is a globally recognized biotechnology company that manufactures and sells custom and catalog Peptides, Fluorogenic and FRET Assay…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 95 contacts → | ||||
Exact match “Based in Massachusetts, ABclonal is a dynamic and growing provider of biology research reagents and services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 93 contacts → | ||||
Exact match “Founded in 1985, GeminiBio serves the global biotechnology industry, from basic research to commercial production, with a focus on helping our customers accelerate the development…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 71 contacts → | ||||
Exact match “RayBiotech is a leading life sciences company providing proteomic discovery tools to scientists in 85 countries worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 61 contacts → | ||||
Exact match “ScienCell Research Laboratories is an expanding biotechnology company established in Our mission is to research and develop cell products for experimental and therapeutic use.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 60 contacts → | ||||
Exact match “Eton Bioscience Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 48 contacts → | ||||
Exact match “G-Biosciences is an ISO 9001:2015 and ISO 13485:2016 certified, cGMP, FDA.QSR (21 CFR 820) compliant life sciences laboratory and manufacturing facility with experience in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 44 contacts → | ||||
Exact match “Daicel Arbor Biosciences is a development and manufacturing company founded by scientists to serve our peers in molecular biology applications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 42 contacts → | ||||
Exact match “Novus Biologicals is now part of R&D Systems™ by Bio-Techne.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 39 contacts → | ||||
Exact match “Dyadic International, Inc.(Nasdaq: DYAI)- We are a global biotechnology company focused on further improving and leveraging the patented and proprietary C1 expression system to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 38 contacts → | ||||
Exact match “Worthington is a privately owned, ISO9001 Certified.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 37 contacts → | ||||
Exact match “Kemp Proteins, LLC (formerly Kempbio) is a privately-owned, USA-based contract research and manufacturing organization located in Frederick, MD.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 34 contacts → | ||||
Exact match “Expression Systems is a leader in Baculovirus (BEVS) mediated protein expression technology and insect cell culture.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 30 contacts → | ||||
Exact match “Allele Biotechnology and Pharmaceuticals, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “protein expression systems companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 149 protein expression systems companies based in the United States
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Protein expression systems companies based in the United States at a glance
As of Nov 6, 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 149 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 “protein expression systems 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 2,126 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 “protein expression systems companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many protein expression systems companies are there based in the United States?
RevenueBase identified 149 company matches for protein expression systems companies 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?
Genscript tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most protein expression systems companies?
San Diego leads with 14 company records, followed by Houston (4) and New York (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 2,126 professional contacts with verified work emails tracked across these 149 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 149 protein expression systems companies based in the United States. Start with a free account, no credit card.
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Protein expression systems companies by geography
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Protein expression systems companies based in India
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
Company intelligence · public preview
Top 25 protein expression systems companies based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 149 matching company records for protein expression systems companies based in the United States, with 5,407 tracked contacts and 2,126 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 protein expression systems companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Genscriptgenscript.comHQ: Piscataway, NJ, United StatesReported employees: 5,001-10,000 | Piscataway, NJ, United States | 5,001-10,000 | Exact match | 1,305 contacts → |
“GenScript Life Science Group is a part of GenScript Biotech Corporation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Takara BIO Usa, INCtakarabio.comHQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 271 contacts → |
“Takara Bio USA, Inc.(formerly Clontech Laboratories, Inc.), a Takara Bio company, develops, manufactures, and distributes a wide range of life science reagents under the Takara®…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Enzo Life Sciences, INCenzo.comHQ: Farmingdale, NY, United StatesReported employees: 51-200 | Farmingdale, NY, United States | 51-200 | Exact match | 166 contacts → |
“For more than 45 years, Enzo Biochem has been a leader in innovation and product development to support a diverse range of needs in biomedical research and healthcare.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Integral Molecularintegralmolecular.comHQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 145 contacts → |
“Integral Molecular is a research-driven biotechnology company specializing in antibodies, viruses, and membrane proteins.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Vector Laboratories, INCvectorlabs.comHQ: Newark, CA, United StatesReported employees: 201-500 | Newark, CA, United States | 201-500 | Exact match | 143 contacts → |
“Vector Laboratories serves and partners with scientists and industry teams developing the next generation of diagnostics, therapeutics, and biological insights.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Avanti Researchavantiresearch.comHQ: Alabaster, AL, United StatesReported employees: 201-500 | Alabaster, AL, United States | 201-500 | Exact match | 134 contacts → |
“Croda formulates its purpose as 'Smart science to improve lives™'.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Origeneorigene.comHQ: Rockville, MD, United StatesReported employees: 201-500 | Rockville, MD, United States | 201-500 | Exact match | 130 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 |  ATUMatum.bioHQ: Newark, CA, United StatesReported employees: 51-200 | Newark, CA, United States | 51-200 | Exact match | 124 contacts → |
“ATUM is an industry-leading provider of life science tools and solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  BPS Bioscience INCbpsbioscience.comHQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 124 contacts → |
“BPS Bioscience advances new scientific discoveries that lead to therapies by creating innovative solutions for research.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Rockland Immunochemicals, INCrockland.comHQ: Limerick, PA, United StatesReported employees: 51-200 | Limerick, PA, United States | 51-200 | Exact match | 105 contacts → |
“Rockland Immunochemicals, Inc.(Rockland) is a trusted partner to scientists worldwide, providing expertly designed and rigorously validated antibodies, assays, and supporting…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Lampire Biological Laboratories, INClampire.comHQ: Pipersville, PA, United StatesReported employees: 51-200 | Pipersville, PA, United States | 51-200 | Exact match | 103 contacts → |
“Discover the World of LAMPIRE Biological Laboratories!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Anaspecanaspec.comHQ: Fremont, CA, United StatesReported employees: 51-200 | Fremont, CA, United States | 51-200 | Exact match | 101 contacts → |
“AnaSpec, a subsidiary of Kaneka Eurogentec, is a globally recognized biotechnology company that manufactures and sells custom and catalog Peptides, Fluorogenic and FRET Assay…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Abclonal Technologyabclonal.comHQ: Woburn, MA, United StatesReported employees: 501-1,000 | Woburn, MA, United States | 501-1,000 | Exact match | 95 contacts → |
“Based in Massachusetts, ABclonal is a dynamic and growing provider of biology research reagents and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Geminibiogeminibio.comHQ: West Sacramento, CA, United StatesReported employees: 51-200 | West Sacramento, CA, United States | 51-200 | Exact match | 93 contacts → |
“Founded in 1985, GeminiBio serves the global biotechnology industry, from basic research to commercial production, with a focus on helping our customers accelerate the development…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Raybiotechraybiotech.comHQ: Norcross, GA, United StatesReported employees: 51-200 | Norcross, GA, United States | 51-200 | Exact match | 71 contacts → |
“RayBiotech is a leading life sciences company providing proteomic discovery tools to scientists in 85 countries worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Sciencell Research Laboratoriessciencellonline.comHQ: Carlsbad, CA, United StatesReported employees: 11-50 | Carlsbad, CA, United States | 11-50 | Exact match | 61 contacts → |
“ScienCell Research Laboratories is an expanding biotechnology company established in Our mission is to research and develop cell products for experimental and therapeutic use.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Eton Bioscienceetonbio.comHQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 60 contacts → |
“Eton Bioscience Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  G-Biosciencesgbiosciences.comHQ: St. Louis, MO, United StatesReported employees: 11-50 | St. Louis, MO, United States | 11-50 | Exact match | 48 contacts → |
“G-Biosciences is an ISO 9001:2015 and ISO 13485:2016 certified, cGMP, FDA.QSR (21 CFR 820) compliant life sciences laboratory and manufacturing facility with experience in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Daicel Arbor Biosciencesarborbiosci.comHQ: Ann Arbor, MI, United StatesReported employees: 11-50 | Ann Arbor, MI, United States | 11-50 | Exact match | 44 contacts → |
“Daicel Arbor Biosciences is a development and manufacturing company founded by scientists to serve our peers in molecular biology applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Novus Biologicals, A Bio-Techne Brandnovusbio.comHQ: Centennial, CO, United StatesReported employees: 51-200 | Centennial, CO, United States | 51-200 | Exact match | 42 contacts → |
“Novus Biologicals is now part of R&D Systems™ by Bio-Techne.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Dyadic Applied Biosolutionsdyadic.comHQ: Jupiter, FL, United StatesReported employees: Not recorded | Jupiter, FL, United States | Not recorded | Exact match | 39 contacts → |
“Dyadic International, Inc.(Nasdaq: DYAI)- We are a global biotechnology company focused on further improving and leveraging the patented and proprietary C1 expression system to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Worthington Biochemical Corporationworthington-biochem.comHQ: Lakewood, NJ, United StatesReported employees: 51-200 | Lakewood, NJ, United States | 51-200 | Exact match | 38 contacts → |
“Worthington is a privately owned, ISO9001 Certified.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Kemp Proteinskempproteins.comHQ: Frederick, MD, United StatesReported employees: 11-50 | Frederick, MD, United States | 11-50 | Exact match | 37 contacts → |
“Kemp Proteins, LLC (formerly Kempbio) is a privately-owned, USA-based contract research and manufacturing organization located in Frederick, MD.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Expression Systemsexpressionsystems.comHQ: Davis, CA, United StatesReported employees: 11-50 | Davis, CA, United States | 11-50 | Exact match | 34 contacts → |
“Expression Systems is a leader in Baculovirus (BEVS) mediated protein expression technology and insect cell culture.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Allele Biotechnology & Pharmaceuticals INCallelebiotech.comHQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 30 contacts → |
“Allele Biotechnology and Pharmaceuticals, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 149 company matches
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Protein expression systems companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
149 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 149 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for protein expression systems companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many protein expression systems companies did RevenueBase find based in the United States?
The saved snapshot records 149 matching company records, 5,407 tracked contacts and 2,126 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Protein expression systems companies by geography
Cite this list
RevenueBase Data Team. Top 25 protein expression systems companies based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/protein-expression-systems-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Protein expression systems companies based in India
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
Company intelligence · public preview
Top 25 protein expression systems companies based in the United States
RevenueBase records 149 matching company records for protein expression systems companies based in the United States, with 5,407 tracked contacts and 2,126 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 protein expression systems companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Genscriptgenscript.com HQ: Piscataway, NJ, United StatesReported employees: 5,001-10,000 | Piscataway, NJ, United States | 5,001-10,000 | Exact match | 1,305 contacts → |
“GenScript Life Science Group is a part of GenScript Biotech Corporation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Takara BIO Usa, INCtakarabio.com HQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 271 contacts → |
“Takara Bio USA, Inc.(formerly Clontech Laboratories, Inc.), a Takara Bio company, develops, manufactures, and distributes a wide range of life science reagents under the Takara®…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Enzo Life Sciences, INCenzo.com HQ: Farmingdale, NY, United StatesReported employees: 51-200 | Farmingdale, NY, United States | 51-200 | Exact match | 166 contacts → |
“For more than 45 years, Enzo Biochem has been a leader in innovation and product development to support a diverse range of needs in biomedical research and healthcare.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Integral Molecularintegralmolecular.com HQ: Philadelphia, PA, United StatesReported employees: 51-200 | Philadelphia, PA, United States | 51-200 | Exact match | 145 contacts → |
“Integral Molecular is a research-driven biotechnology company specializing in antibodies, viruses, and membrane proteins.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Vector Laboratories, INCvectorlabs.com HQ: Newark, CA, United StatesReported employees: 201-500 | Newark, CA, United States | 201-500 | Exact match | 143 contacts → |
“Vector Laboratories serves and partners with scientists and industry teams developing the next generation of diagnostics, therapeutics, and biological insights.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Avanti Researchavantiresearch.com HQ: Alabaster, AL, United StatesReported employees: 201-500 | Alabaster, AL, United States | 201-500 | Exact match | 134 contacts → |
“Croda formulates its purpose as 'Smart science to improve lives™'.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Origeneorigene.com HQ: Rockville, MD, United StatesReported employees: 201-500 | Rockville, MD, United States | 201-500 | Exact match | 130 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | ATUMatum.bio HQ: Newark, CA, United StatesReported employees: 51-200 | Newark, CA, United States | 51-200 | Exact match | 124 contacts → |
“ATUM is an industry-leading provider of life science tools and solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | BPS Bioscience INCbpsbioscience.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 124 contacts → |
“BPS Bioscience advances new scientific discoveries that lead to therapies by creating innovative solutions for research.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Rockland Immunochemicals, INCrockland.com HQ: Limerick, PA, United StatesReported employees: 51-200 | Limerick, PA, United States | 51-200 | Exact match | 105 contacts → |
“Rockland Immunochemicals, Inc.(Rockland) is a trusted partner to scientists worldwide, providing expertly designed and rigorously validated antibodies, assays, and supporting…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Lampire Biological Laboratories, INClampire.com HQ: Pipersville, PA, United StatesReported employees: 51-200 | Pipersville, PA, United States | 51-200 | Exact match | 103 contacts → |
“Discover the World of LAMPIRE Biological Laboratories!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Anaspecanaspec.com HQ: Fremont, CA, United StatesReported employees: 51-200 | Fremont, CA, United States | 51-200 | Exact match | 101 contacts → |
“AnaSpec, a subsidiary of Kaneka Eurogentec, is a globally recognized biotechnology company that manufactures and sells custom and catalog Peptides, Fluorogenic and FRET Assay…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Abclonal Technologyabclonal.com HQ: Woburn, MA, United StatesReported employees: 501-1,000 | Woburn, MA, United States | 501-1,000 | Exact match | 95 contacts → |
“Based in Massachusetts, ABclonal is a dynamic and growing provider of biology research reagents and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Geminibiogeminibio.com HQ: West Sacramento, CA, United StatesReported employees: 51-200 | West Sacramento, CA, United States | 51-200 | Exact match | 93 contacts → |
“Founded in 1985, GeminiBio serves the global biotechnology industry, from basic research to commercial production, with a focus on helping our customers accelerate the development…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Raybiotechraybiotech.com HQ: Norcross, GA, United StatesReported employees: 51-200 | Norcross, GA, United States | 51-200 | Exact match | 71 contacts → |
“RayBiotech is a leading life sciences company providing proteomic discovery tools to scientists in 85 countries worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Sciencell Research Laboratoriessciencellonline.com HQ: Carlsbad, CA, United StatesReported employees: 11-50 | Carlsbad, CA, United States | 11-50 | Exact match | 61 contacts → |
“ScienCell Research Laboratories is an expanding biotechnology company established in Our mission is to research and develop cell products for experimental and therapeutic use.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Eton Bioscienceetonbio.com HQ: San Diego, CA, United StatesReported employees: 51-200 | San Diego, CA, United States | 51-200 | Exact match | 60 contacts → |
“Eton Bioscience Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | G-Biosciencesgbiosciences.com HQ: St. Louis, MO, United StatesReported employees: 11-50 | St. Louis, MO, United States | 11-50 | Exact match | 48 contacts → |
“G-Biosciences is an ISO 9001:2015 and ISO 13485:2016 certified, cGMP, FDA.QSR (21 CFR 820) compliant life sciences laboratory and manufacturing facility with experience in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Daicel Arbor Biosciencesarborbiosci.com HQ: Ann Arbor, MI, United StatesReported employees: 11-50 | Ann Arbor, MI, United States | 11-50 | Exact match | 44 contacts → |
“Daicel Arbor Biosciences is a development and manufacturing company founded by scientists to serve our peers in molecular biology applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Novus Biologicals, A Bio-Techne Brandnovusbio.com HQ: Centennial, CO, United StatesReported employees: 51-200 | Centennial, CO, United States | 51-200 | Exact match | 42 contacts → |
“Novus Biologicals is now part of R&D Systems™ by Bio-Techne.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Dyadic Applied Biosolutionsdyadic.com HQ: Jupiter, FL, United StatesReported employees: Not recorded | Jupiter, FL, United States | Not recorded | Exact match | 39 contacts → |
“Dyadic International, Inc.(Nasdaq: DYAI)- We are a global biotechnology company focused on further improving and leveraging the patented and proprietary C1 expression system to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Worthington Biochemical Corporationworthington-biochem.com HQ: Lakewood, NJ, United StatesReported employees: 51-200 | Lakewood, NJ, United States | 51-200 | Exact match | 38 contacts → |
“Worthington is a privately owned, ISO9001 Certified.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Kemp Proteinskempproteins.com HQ: Frederick, MD, United StatesReported employees: 11-50 | Frederick, MD, United States | 11-50 | Exact match | 37 contacts → |
“Kemp Proteins, LLC (formerly Kempbio) is a privately-owned, USA-based contract research and manufacturing organization located in Frederick, MD.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Expression Systemsexpressionsystems.com HQ: Davis, CA, United StatesReported employees: 11-50 | Davis, CA, United States | 11-50 | Exact match | 34 contacts → |
“Expression Systems is a leader in Baculovirus (BEVS) mediated protein expression technology and insect cell culture.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Allele Biotechnology & Pharmaceuticals INCallelebiotech.com HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 30 contacts → |
“Allele Biotechnology and Pharmaceuticals, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 149 company matches
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Protein expression systems companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
149 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 149 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for protein expression systems companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many protein expression systems companies did RevenueBase find based in the United States?
The saved snapshot records 149 matching company records, 5,407 tracked contacts and 2,126 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Protein expression systems companies by geography
Cite this list
RevenueBase Data Team. Top 25 protein expression systems companies based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/protein-expression-systems-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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