Company lists · Data refreshed October 2026
Top 25 Biotech api manufacturers based in the United States
RevenueBase identified 394 company matches for biotech api manufacturers associated with the United States as of October 2026 and tracks 13,301 professional contacts across them, including 5,823 with verified work emails. San Diego is the largest hub.
This list covers company matches for biotech api 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 October 8, 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 biotech api manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,694 contacts → | ||||
Exact match “KBI Biopharma is an award-winning biopharmaceutical contract services organization providing fully-integrated, accelerated drug development and biomanufacturing services to…” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 2 | 1,359 contacts → | ||||
Exact match “Repligen, a global, bioprocessing-focused life sciences company, provides innovative solutions for the advancement of biotherapeutic manufacturing.” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 3 | 798 contacts → | ||||
Exact match “Amyris is a vertically integrated biomanufacturing company that creates specialty molecules for a range of industries, including flavors and fragrances, advanced materials, beauty…” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 4 | 593 contacts → | ||||
Exact match “Veranova is a global leader in process development and manufacturing of active pharmaceutical ingredients (APIs), with a focus on specialty and complex chemistry for small…” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 5 | 552 contacts → | ||||
Exact match “Established in 2019 by SK Inc, SK pharmteco is a global contract development and manufacturing organization (CDMO) with operations across the U.S, Europe, and South Korea.” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 6 | 305 contacts → | ||||
Exact match “For over 75 years, we have supplied the pharmaceutical industry with highly engineered products and innovative solutions that improve the formulation and delivery of drug products…” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 7 | 272 contacts → | ||||
Exact match “Codexis is redefining what is possible in therapeutic development and manufacturing, leading the technology revolution with efficient, high-quality, and commercially proven…” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 8 | 243 contacts → | ||||
Exact match “Spectrum Chemical Mfg.” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 9 | 236 contacts → | ||||
Exact match “Who we are: On June 9, 2017, Olon S.p.A, a leading Active Pharmaceutical Ingredients (API) contract development and manufacturing organization (CDMO) and Generics supplier…” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 10 | 187 contacts → | ||||
Exact match “Jubilant Pharma Limited is a global integrated pharmaceutical company offering a wide range of products and services to our customers across geographies.” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 11 | 185 contacts → | ||||
Exact match “Welcome to Selleck Chemicals!” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 12 | 181 contacts → | ||||
Exact match “Adesis Inc.” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 13 | 170 contacts → | ||||
Exact match “As of 1st August 2026, AmbioPharm is now part of CordenPharma.” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 14 | 162 contacts → | ||||
Exact match “BioSpectra Inc.(BSI), is a privately-owned manufacturer of premium pharmaceutical ingredients and bulk, cGMP fine chemicals, in service to many leading BioPharma companies around…” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 15 | 145 contacts → | ||||
Exact match “Apicore LLC, a wholly owned subsidiary of RK Pharma Inc is a leading process R&D and API manufacturing service provider for the worldwide pharmaceutical industry.” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 16 | 141 contacts → | ||||
Exact match “Bold and nimble, Boston Oncology is an innovative biogenerics company redefining excellence in the licensing and local development, manufacturing and distribution of US- quality…” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 17 | 139 contacts → | ||||
Exact match “Stämm is a biotechnology company dedicated to making biomanufacturing easy, scalable, sustainable, and repeatable.” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 18 | 136 contacts → | ||||
Exact match “MedChemExpress (MCE) is a leading global supplier of life science reagents, dedicated to providing innovative solutions for scientific research and drug development.” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 19 | 125 contacts → | ||||
Exact match “Croda formulates its purpose as 'Smart science to improve lives™'.” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 20 | 115 contacts → | ||||
Exact match “Scientific Protein Laboratories (SPL) has been a leading global supplier of high quality active pharmaceutical ingredients (APIs) for over three decades.” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 21 | 111 contacts → | ||||
Exact match “Phyton Biotech is the world’s leader in pharmaceutical plant cell fermentation (PCF®) technology.” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 22 | 109 contacts → | ||||
Exact match “Founded in 1996 J-STAR Research, Inc.” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 23 | 100 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 · Oct 8, 2026 · View company records in RevenueBase | |||||
| 24 | 99 contacts → | ||||
Exact match “Wiley Companies is an ISO 9001:2015 and FSSC certified custom chemicals and food ingredients manufacturer with facilities in Coshocton, OH, and New Albany, OH.” Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase | |||||
| 25 | 91 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 · Oct 8, 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 “biotech api manufacturers”. 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 394 biotech api manufacturers based in the United States
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Biotech api manufacturers based in the United States at a glance
As of Oct 8, 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 394 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 “biotech api 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 5,823 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 October 8, 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 “biotech api manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many biotech api manufacturers are there based in the United States?
RevenueBase identified 394 company matches for biotech api manufacturers associated with the United States as of October 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?
KBI Biopharma tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most biotech api manufacturers?
San Diego leads with 23 company records, followed by Durham (7) and New York (7).
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 5,823 professional contacts with verified work emails tracked across these 394 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 October 8, 2026.
Ready to reach these companies? Verified emails and direct dials for all 394 biotech api manufacturers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Biotech api manufacturers by geography
- Biotech api manufacturers based in Ahmedabad, India
- Biotech api manufacturers based in Ankleshwar, India
- Biotech api manufacturers based in Bangalore, India
- Biotech api manufacturers based in Chennai, India
- Biotech api manufacturers based in Hyderabad, India
- Biotech api manufacturers based in Mumbai, India
- Biotech api manufacturers based in Navi Mumbai, India
- Biotech api manufacturers based in New Delhi, India
- Biotech api manufacturers based in Pune, India
- Biotech api manufacturers based in Vadodara, India
- Biotech api manufacturers based in Brazil
- Biotech api manufacturers based in Canada
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
- Biotech api manufacturers based in Ahmedabad, India
- Biotech api manufacturers based in Ankleshwar, India
- Biotech api manufacturers based in Bangalore, India
- Biotech api manufacturers based in Chennai, India
- Biotech api manufacturers based in Hyderabad, India
- Biotech api manufacturers based in Mumbai, India
Company intelligence · public preview
Top 25 biotech api manufacturers 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 394 matching company records for biotech api manufacturers based in the United States, with 13,301 tracked contacts and 5,823 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: October 8, 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 biotech api manufacturers 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 |  KBI Biopharmakbibiopharma.comHQ: Durham, NC, United StatesReported employees: 1,001-5,000 | Durham, NC, United States | 1,001-5,000 | Exact match | 1,694 contacts → |
“KBI Biopharma is an award-winning biopharmaceutical contract services organization providing fully-integrated, accelerated drug development and biomanufacturing services to…” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Repligen Corporationrepligen.comHQ: Waltham, MA, United StatesReported employees: 1,001-5,000 | Waltham, MA, United States | 1,001-5,000 | Exact match | 1,359 contacts → |
“Repligen, a global, bioprocessing-focused life sciences company, provides innovative solutions for the advancement of biotherapeutic manufacturing.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Amyrisamyris.comHQ: Emeryville, CA, United StatesReported employees: 501-1,000 | Emeryville, CA, United States | 501-1,000 | Exact match | 798 contacts → |
“Amyris is a vertically integrated biomanufacturing company that creates specialty molecules for a range of industries, including flavors and fragrances, advanced materials, beauty…” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Veranovaveranova.comHQ: Devens, MA, United StatesReported employees: 501-1,000 | Devens, MA, United States | 501-1,000 | Exact match | 593 contacts → |
“Veranova is a global leader in process development and manufacturing of active pharmaceutical ingredients (APIs), with a focus on specialty and complex chemistry for small…” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  SK Pharmtecoskpharmteco.comHQ: Rancho Cordova, CA, United StatesReported employees: 1,001-5,000 | Rancho Cordova, CA, United States | 1,001-5,000 | Exact match | 552 contacts → |
“Established in 2019 by SK Inc, SK pharmteco is a global contract development and manufacturing organization (CDMO) with operations across the U.S, Europe, and South Korea.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  SPI Pharmaspipharma.comHQ: Wilmington, DE, United StatesReported employees: 201-500 | Wilmington, DE, United States | 201-500 | Exact match | 305 contacts → |
“For over 75 years, we have supplied the pharmaceutical industry with highly engineered products and innovative solutions that improve the formulation and delivery of drug products…” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Codexis, INCcodexis.comHQ: Redwood City, CA, United StatesReported employees: 51-200 | Redwood City, CA, United States | 51-200 | Exact match | 272 contacts → |
“Codexis is redefining what is possible in therapeutic development and manufacturing, leading the technology revolution with efficient, high-quality, and commercially proven…” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Spectrum Chemical Mfg. Corpspectrumchemical.comHQ: New Brunswick, NJ, United StatesReported employees: 201-500 | New Brunswick, NJ, United States | 201-500 | Exact match | 243 contacts → |
“Spectrum Chemical Mfg.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Olon USAolon-usa.comHQ: Concord, OH, United StatesReported employees: 51-200 | Concord, OH, United States | 51-200 | Exact match | 236 contacts → |
“Who we are: On June 9, 2017, Olon S.p.A, a leading Active Pharmaceutical Ingredients (API) contract development and manufacturing organization (CDMO) and Generics supplier…” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Jubilant Pharma Limitedjubilantpharma.comHQ: Yardley, PA, United StatesReported employees: 1,001-5,000 | Yardley, PA, United States | 1,001-5,000 | Exact match | 187 contacts → |
“Jubilant Pharma Limited is a global integrated pharmaceutical company offering a wide range of products and services to our customers across geographies.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Selleck Chemicals LLCselleckchem.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 185 contacts → |
“Welcome to Selleck Chemicals!” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Adesis, INCadesisinc.comHQ: New Castle, DE, United StatesReported employees: 51-200 | New Castle, DE, United States | 51-200 | Exact match | 181 contacts → |
“Adesis Inc.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Ambiopharmambiopharm.comHQ: North Augusta, SC, United StatesReported employees: 501-1,000 | North Augusta, SC, United States | 501-1,000 | Exact match | 170 contacts → |
“As of 1st August 2026, AmbioPharm is now part of CordenPharma.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Biospectra, INCbiospectra.usHQ: Bangor, PA, United StatesReported employees: 201-500 | Bangor, PA, United States | 201-500 | Exact match | 162 contacts → |
“BioSpectra Inc.(BSI), is a privately-owned manufacturer of premium pharmaceutical ingredients and bulk, cGMP fine chemicals, in service to many leading BioPharma companies around…” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Apicore Pharmaceuticalsapicore.comHQ: East Brunswick, NJ, United StatesReported employees: 501-1,000 | East Brunswick, NJ, United States | 501-1,000 | Exact match | 145 contacts → |
“Apicore LLC, a wholly owned subsidiary of RK Pharma Inc is a leading process R&D and API manufacturing service provider for the worldwide pharmaceutical industry.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Boston Oncologybostononcology.comHQ: Cambridge, MA, United StatesReported employees: 51-200 | Cambridge, MA, United States | 51-200 | Exact match | 141 contacts → |
“Bold and nimble, Boston Oncology is an innovative biogenerics company redefining excellence in the licensing and local development, manufacturing and distribution of US- quality…” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  STÄMMstamm.bioHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 139 contacts → |
“Stämm is a biotechnology company dedicated to making biomanufacturing easy, scalable, sustainable, and repeatable.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Medchemexpress LLCmedchemexpress.comHQ: Monmouth Junction, NJ, United StatesReported employees: 1,001-5,000 | Monmouth Junction, NJ, United States | 1,001-5,000 | Exact match | 136 contacts → |
“MedChemExpress (MCE) is a leading global supplier of life science reagents, dedicated to providing innovative solutions for scientific research and drug development.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Avanti Researchavantiresearch.comHQ: Alabaster, AL, United StatesReported employees: 201-500 | Alabaster, AL, United States | 201-500 | Exact match | 125 contacts → |
“Croda formulates its purpose as 'Smart science to improve lives™'.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Scientific Protein Laboratories, LLCsplpharma.com HQ: Waunakee, WI, United StatesReported employees: 201-500 | Waunakee, WI, United States | 201-500 | Exact match | 115 contacts → |
“Scientific Protein Laboratories (SPL) has been a leading global supplier of high quality active pharmaceutical ingredients (APIs) for over three decades.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Phyton Biotechphytonbiotech.comHQ: Fort Worth, TX, United StatesReported employees: 51-200 | Fort Worth, TX, United States | 51-200 | Exact match | 111 contacts → |
“Phyton Biotech is the world’s leader in pharmaceutical plant cell fermentation (PCF®) technology.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | J-Star Research, INCjstar-research.com HQ: South Plainfield, NJ, United StatesReported employees: 51-200 | South Plainfield, NJ, United States | 51-200 | Exact match | 109 contacts → |
“Founded in 1996 J-STAR Research, Inc.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Anaspecanaspec.comHQ: Fremont, CA, United StatesReported employees: 51-200 | Fremont, CA, United States | 51-200 | Exact match | 100 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 · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Wiley Companieswileyco.com HQ: Coshocton, OH, United StatesReported employees: 201-500 | Coshocton, OH, United States | 201-500 | Exact match | 99 contacts → |
“Wiley Companies is an ISO 9001:2015 and FSSC certified custom chemicals and food ingredients manufacturer with facilities in Coshocton, OH, and New Albany, OH.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Geminibiogeminibio.comHQ: West Sacramento, CA, United StatesReported employees: 51-200 | West Sacramento, CA, United States | 51-200 | Exact match | 91 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 · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 394 company matches
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Biotech api manufacturers: dataset insights
October 8, 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
393 records in the displayed employee bands.
1 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 394 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: October 8, 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 biotech api manufacturers?
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 biotech api manufacturers did RevenueBase find based in the United States?
The saved snapshot records 394 matching company records, 13,301 tracked contacts and 5,823 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: October 8, 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
Biotech api manufacturers by geography
- Biotech api manufacturers based in Ahmedabad, India
- Biotech api manufacturers based in Ankleshwar, India
- Biotech api manufacturers based in Bangalore, India
- Biotech api manufacturers based in Chennai, India
- Biotech api manufacturers based in Hyderabad, India
- Biotech api manufacturers based in Mumbai, India
- Biotech api manufacturers based in Navi Mumbai, India
- Biotech api manufacturers based in New Delhi, India
- Biotech api manufacturers based in Pune, India
- Biotech api manufacturers based in Vadodara, India
- Biotech api manufacturers based in Brazil
- Biotech api manufacturers based in Canada
Cite this list
RevenueBase Data Team. Top 25 biotech api manufacturers based in the United States. Snapshot: October 8, 2026. https://revenuebase.ai/companies/biotech-api-manufacturers/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
- Biotech api manufacturers based in Ahmedabad, India
- Biotech api manufacturers based in Ankleshwar, India
- Biotech api manufacturers based in Bangalore, India
- Biotech api manufacturers based in Chennai, India
- Biotech api manufacturers based in Hyderabad, India
- Biotech api manufacturers based in Mumbai, India
Company intelligence · public preview
Top 25 biotech api manufacturers based in the United States
RevenueBase records 394 matching company records for biotech api manufacturers based in the United States, with 13,301 tracked contacts and 5,823 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: October 8, 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 biotech api manufacturers 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 | KBI Biopharmakbibiopharma.com HQ: Durham, NC, United StatesReported employees: 1,001-5,000 | Durham, NC, United States | 1,001-5,000 | Exact match | 1,694 contacts → |
“KBI Biopharma is an award-winning biopharmaceutical contract services organization providing fully-integrated, accelerated drug development and biomanufacturing services to…” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Repligen Corporationrepligen.com HQ: Waltham, MA, United StatesReported employees: 1,001-5,000 | Waltham, MA, United States | 1,001-5,000 | Exact match | 1,359 contacts → |
“Repligen, a global, bioprocessing-focused life sciences company, provides innovative solutions for the advancement of biotherapeutic manufacturing.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Amyrisamyris.com HQ: Emeryville, CA, United StatesReported employees: 501-1,000 | Emeryville, CA, United States | 501-1,000 | Exact match | 798 contacts → |
“Amyris is a vertically integrated biomanufacturing company that creates specialty molecules for a range of industries, including flavors and fragrances, advanced materials, beauty…” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Veranovaveranova.com HQ: Devens, MA, United StatesReported employees: 501-1,000 | Devens, MA, United States | 501-1,000 | Exact match | 593 contacts → |
“Veranova is a global leader in process development and manufacturing of active pharmaceutical ingredients (APIs), with a focus on specialty and complex chemistry for small…” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | SK Pharmtecoskpharmteco.com HQ: Rancho Cordova, CA, United StatesReported employees: 1,001-5,000 | Rancho Cordova, CA, United States | 1,001-5,000 | Exact match | 552 contacts → |
“Established in 2019 by SK Inc, SK pharmteco is a global contract development and manufacturing organization (CDMO) with operations across the U.S, Europe, and South Korea.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | SPI Pharmaspipharma.com HQ: Wilmington, DE, United StatesReported employees: 201-500 | Wilmington, DE, United States | 201-500 | Exact match | 305 contacts → |
“For over 75 years, we have supplied the pharmaceutical industry with highly engineered products and innovative solutions that improve the formulation and delivery of drug products…” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Codexis, INCcodexis.com HQ: Redwood City, CA, United StatesReported employees: 51-200 | Redwood City, CA, United States | 51-200 | Exact match | 272 contacts → |
“Codexis is redefining what is possible in therapeutic development and manufacturing, leading the technology revolution with efficient, high-quality, and commercially proven…” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Spectrum Chemical Mfg. Corpspectrumchemical.com HQ: New Brunswick, NJ, United StatesReported employees: 201-500 | New Brunswick, NJ, United States | 201-500 | Exact match | 243 contacts → |
“Spectrum Chemical Mfg.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Olon USAolon-usa.com HQ: Concord, OH, United StatesReported employees: 51-200 | Concord, OH, United States | 51-200 | Exact match | 236 contacts → |
“Who we are: On June 9, 2017, Olon S.p.A, a leading Active Pharmaceutical Ingredients (API) contract development and manufacturing organization (CDMO) and Generics supplier…” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Jubilant Pharma Limitedjubilantpharma.com HQ: Yardley, PA, United StatesReported employees: 1,001-5,000 | Yardley, PA, United States | 1,001-5,000 | Exact match | 187 contacts → |
“Jubilant Pharma Limited is a global integrated pharmaceutical company offering a wide range of products and services to our customers across geographies.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Selleck Chemicals LLCselleckchem.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 185 contacts → |
“Welcome to Selleck Chemicals!” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Adesis, INCadesisinc.com HQ: New Castle, DE, United StatesReported employees: 51-200 | New Castle, DE, United States | 51-200 | Exact match | 181 contacts → |
“Adesis Inc.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ambiopharmambiopharm.com HQ: North Augusta, SC, United StatesReported employees: 501-1,000 | North Augusta, SC, United States | 501-1,000 | Exact match | 170 contacts → |
“As of 1st August 2026, AmbioPharm is now part of CordenPharma.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Biospectra, INCbiospectra.us HQ: Bangor, PA, United StatesReported employees: 201-500 | Bangor, PA, United States | 201-500 | Exact match | 162 contacts → |
“BioSpectra Inc.(BSI), is a privately-owned manufacturer of premium pharmaceutical ingredients and bulk, cGMP fine chemicals, in service to many leading BioPharma companies around…” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Apicore Pharmaceuticalsapicore.com HQ: East Brunswick, NJ, United StatesReported employees: 501-1,000 | East Brunswick, NJ, United States | 501-1,000 | Exact match | 145 contacts → |
“Apicore LLC, a wholly owned subsidiary of RK Pharma Inc is a leading process R&D and API manufacturing service provider for the worldwide pharmaceutical industry.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Boston Oncologybostononcology.com HQ: Cambridge, MA, United StatesReported employees: 51-200 | Cambridge, MA, United States | 51-200 | Exact match | 141 contacts → |
“Bold and nimble, Boston Oncology is an innovative biogenerics company redefining excellence in the licensing and local development, manufacturing and distribution of US- quality…” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | STÄMMstamm.bio HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 139 contacts → |
“Stämm is a biotechnology company dedicated to making biomanufacturing easy, scalable, sustainable, and repeatable.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Medchemexpress LLCmedchemexpress.com HQ: Monmouth Junction, NJ, United StatesReported employees: 1,001-5,000 | Monmouth Junction, NJ, United States | 1,001-5,000 | Exact match | 136 contacts → |
“MedChemExpress (MCE) is a leading global supplier of life science reagents, dedicated to providing innovative solutions for scientific research and drug development.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Avanti Researchavantiresearch.com HQ: Alabaster, AL, United StatesReported employees: 201-500 | Alabaster, AL, United States | 201-500 | Exact match | 125 contacts → |
“Croda formulates its purpose as 'Smart science to improve lives™'.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Scientific Protein Laboratories, LLCsplpharma.com HQ: Waunakee, WI, United StatesReported employees: 201-500 | Waunakee, WI, United States | 201-500 | Exact match | 115 contacts → |
“Scientific Protein Laboratories (SPL) has been a leading global supplier of high quality active pharmaceutical ingredients (APIs) for over three decades.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Phyton Biotechphytonbiotech.com HQ: Fort Worth, TX, United StatesReported employees: 51-200 | Fort Worth, TX, United States | 51-200 | Exact match | 111 contacts → |
“Phyton Biotech is the world’s leader in pharmaceutical plant cell fermentation (PCF®) technology.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | J-Star Research, INCjstar-research.com HQ: South Plainfield, NJ, United StatesReported employees: 51-200 | South Plainfield, NJ, United States | 51-200 | Exact match | 109 contacts → |
“Founded in 1996 J-STAR Research, Inc.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Anaspecanaspec.com HQ: Fremont, CA, United StatesReported employees: 51-200 | Fremont, CA, United States | 51-200 | Exact match | 100 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 · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Wiley Companieswileyco.com HQ: Coshocton, OH, United StatesReported employees: 201-500 | Coshocton, OH, United States | 201-500 | Exact match | 99 contacts → |
“Wiley Companies is an ISO 9001:2015 and FSSC certified custom chemicals and food ingredients manufacturer with facilities in Coshocton, OH, and New Albany, OH.” Recorded description excerpt · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Geminibiogeminibio.com HQ: West Sacramento, CA, United StatesReported employees: 51-200 | West Sacramento, CA, United States | 51-200 | Exact match | 91 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 · October 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 394 company matches
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Biotech api manufacturers: dataset insights
October 8, 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
393 records in the displayed employee bands.
1 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 394 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: October 8, 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 biotech api manufacturers?
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 biotech api manufacturers did RevenueBase find based in the United States?
The saved snapshot records 394 matching company records, 13,301 tracked contacts and 5,823 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: October 8, 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
Biotech api manufacturers by geography
- Biotech api manufacturers based in Ahmedabad, India
- Biotech api manufacturers based in Ankleshwar, India
- Biotech api manufacturers based in Bangalore, India
- Biotech api manufacturers based in Chennai, India
- Biotech api manufacturers based in Hyderabad, India
- Biotech api manufacturers based in Mumbai, India
- Biotech api manufacturers based in Navi Mumbai, India
- Biotech api manufacturers based in New Delhi, India
- Biotech api manufacturers based in Pune, India
- Biotech api manufacturers based in Vadodara, India
- Biotech api manufacturers based in Brazil
- Biotech api manufacturers based in Canada
Cite this list
RevenueBase Data Team. Top 25 biotech api manufacturers based in the United States. Snapshot: October 8, 2026. https://revenuebase.ai/companies/biotech-api-manufacturers/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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- Biotech api manufacturers based in Ahmedabad, India
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- Biotech api manufacturers based in Mumbai, India