Company lists · Data refreshed November 2026
Top 20 Api suppliers based in the United States
RevenueBase identified 287 company matches for api suppliers associated with the United States as of November 2026 and tracks 14,949 professional contacts across them, including 6,179 with verified work emails. San Diego is the largest hub.
This list covers company matches for api suppliers 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 20 largest api suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 438 contacts → | ||||
Exact match “Actylis is a global solutions provider with over 75 years of experience specializing in streamlining the management of critical ingredients and raw materials for our business…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 243 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 234 contacts → | ||||
Exact match “Halo Pharma is a leading provider of pharmaceutical services, including contract dosage form development, commercial manufacturing, and analytical services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 161 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 145 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 132 contacts → | ||||
Exact match “Ascent Pharmaceuticals, Inc, headquartered in Central Islip, New York, is a leading generic pharmaceutical company specializing in the development, manufacturing, and analysis of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 125 contacts → | ||||
Exact match “Chartwell Pharmaceuticals is a US-based, full-service manufacturing, packaging, laboratory, and related supply chain services organization with manufacturing locations in Congers…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 90 contacts → | ||||
Exact match “Fagron is the global leader in pharmaceutical compounding and sterile outsourcing, dedicated to making medicine personal.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 88 contacts → | ||||
Exact match “Since 1969 STAUBER has consistently offered the finest quality ingredients to the nutritional, food, pharmaceutical, cosmetic and pet care industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 80 contacts → | ||||
Exact match “LEADING THE SUPPLY OF HIGH QUALITY GENERIC APIs 21st Century economic, social, technical and regulatory dynamics are dramatically changing the pharmaceutical world making it more…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 79 contacts → | ||||
Exact match “Antheia is the advanced biosynthesis company transforming pharmaceutical manufacturing and innovation for the 21st century.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 77 contacts → | ||||
Exact match “Offering Seamless CMC Development Services Including Process Research & Development and Delivery of cGMP APIs” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 75 contacts → | ||||
Exact match “Founded in December of 2006 by industry veteran, Dr.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 63 contacts → | ||||
Exact match “Rochem International is a global leader in developing, sourcing and supplying pharmaceutical, food, nutritional and animal health ingredients of Chinese origin.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 60 contacts → | ||||
Exact match “For over 45 years, Interchem has been successfully locating sources of fine chemicals, intermediates, active pharmaceutical ingredients, and sophisticated next generation…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 52 contacts → | ||||
Exact match “Freemen Nutra Group is a manufacturer and worldwide distributor of ingredients and premixes for the nutraceutical, food, beverage, feed, pet and cosmetics industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 49 contacts → | ||||
Exact match “Wilmington PharmaTech (WPT) is a U.S-based Contract Research, Development, and Manufacturing Organization (CRDMO) providing end-to-end solutions for the pharmaceutical and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 46 contacts → | ||||
Exact match “CalCog is a vertically integrated clinical supply services company that provides sourcing, packaging, labeling, storage, and distribution services for early to late phase global…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 43 contacts → | ||||
Exact match “Incorporated in 2019, Sancilio & Company is wholly owned by Dr.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 40 contacts → | ||||
Exact match “Espee Group strives to be a single point contact for large scale developed pharmaceutical manufacturers across the world for their product development to contract manufacturing to…” 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 “api suppliers”. 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 20 of 287 api suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 6,179 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Api suppliers 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 287 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 “api suppliers” 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 6,179 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 “api suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many api suppliers are there based in the United States?
RevenueBase identified 287 company matches for api suppliers 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?
Actylis tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most api suppliers?
San Diego leads with 11 company records, followed by New York (9) and Fairfield (5).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 6,179 professional contacts with verified work emails tracked across these 287 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 287 api suppliers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Api suppliers by geography
- Api suppliers based in Sao Paulo, Brazil
- Api suppliers based in Ahmedabad, India
- Api suppliers based in Ankleshwar, India
- Api suppliers based in Bangalore, India
- Api suppliers based in Chennai, India
- Api suppliers based in Delhi, India
- Api suppliers based in Hyderabad, India
- Api suppliers based in Mumbai, India
- Api suppliers based in Navi Mumbai, India
- Api suppliers based in New Delhi, India
- Api suppliers based in Pune, India
- Api suppliers based in Vadodara, India
Browse the directory
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
Company intelligence · public preview
Top 20 api suppliers 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 287 matching company records for api suppliers based in the United States, with 14,949 tracked contacts and 6,179 verified work emails.
This public preview shows 20 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 20 api suppliers 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 |  Actylisactylis.comHQ: Port Washington, NY, United StatesReported employees: 501-1,000 | Port Washington, NY, United States | 501-1,000 | Exact match | 438 contacts → |
“Actylis is a global solutions provider with over 75 years of experience specializing in streamlining the management of critical ingredients and raw materials for our business…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Olon USAolon-usa.comHQ: Concord, OH, United StatesReported employees: 51-200 | Concord, OH, United States | 51-200 | Exact match | 243 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Halo Pharmaceutical, INChalopharma.comHQ: Whippany, NJ, United StatesReported employees: 201-500 | Whippany, NJ, United States | 201-500 | Exact match | 234 contacts → |
“Halo Pharma is a leading provider of pharmaceutical services, including contract dosage form development, commercial manufacturing, and analytical services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Biospectra, INCbiospectra.usHQ: Bangor, PA, United StatesReported employees: 201-500 | Bangor, PA, United States | 201-500 | Exact match | 161 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Medchemexpress LLCmedchemexpress.comHQ: Monmouth Junction, NJ, United StatesReported employees: 1,001-5,000 | Monmouth Junction, NJ, United States | 1,001-5,000 | Exact match | 145 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Ascent Pharmaceuticals, INCascentpharm.comHQ: Central Islip, NY, United StatesReported employees: 201-500 | Central Islip, NY, United States | 201-500 | Exact match | 132 contacts → |
“Ascent Pharmaceuticals, Inc, headquartered in Central Islip, New York, is a leading generic pharmaceutical company specializing in the development, manufacturing, and analysis of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Chartwell Pharmaceuticalschartwellpharma.comHQ: Congers, NY, United StatesReported employees: 51-200 | Congers, NY, United States | 51-200 | Exact match | 125 contacts → |
“Chartwell Pharmaceuticals is a US-based, full-service manufacturing, packaging, laboratory, and related supply chain services organization with manufacturing locations in Congers…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Fagron USfagron.usHQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 90 contacts → |
“Fagron is the global leader in pharmaceutical compounding and sterile outsourcing, dedicated to making medicine personal.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Stauberstauberusa.comHQ: Fullerton, CA, United StatesReported employees: 51-200 | Fullerton, CA, United States | 51-200 | Exact match | 88 contacts → |
“Since 1969 STAUBER has consistently offered the finest quality ingredients to the nutritional, food, pharmaceutical, cosmetic and pet care industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Chemwerth INCchemwerth.comHQ: Woodbridge, CT, United StatesReported employees: 51-200 | Woodbridge, CT, United States | 51-200 | Exact match | 80 contacts → |
“LEADING THE SUPPLY OF HIGH QUALITY GENERIC APIs 21st Century economic, social, technical and regulatory dynamics are dramatically changing the pharmaceutical world making it more…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Antheia, INCantheia.bioHQ: Menlo Park, CA, United StatesReported employees: 51-200 | Menlo Park, CA, United States | 51-200 | Exact match | 79 contacts → |
“Antheia is the advanced biosynthesis company transforming pharmaceutical manufacturing and innovation for the 21st century.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  TCG Greenchem INCtcggreenchem.comHQ: Ewing, NJ, United StatesReported employees: 11-50 | Ewing, NJ, United States | 11-50 | Exact match | 77 contacts → |
“Offering Seamless CMC Development Services Including Process Research & Development and Delivery of cGMP APIs” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Novel Laboratories, INCnovellabs.netHQ: Somerset, NJ, United StatesReported employees: 51-200 | Somerset, NJ, United States | 51-200 | Exact match | 75 contacts → |
“Founded in December of 2006 by industry veteran, Dr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Rochem International INCrochemintl.comHQ: Hauppauge, NY, United StatesReported employees: 51-200 | Hauppauge, NY, United States | 51-200 | Exact match | 63 contacts → |
“Rochem International is a global leader in developing, sourcing and supplying pharmaceutical, food, nutritional and animal health ingredients of Chinese origin.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Interchem Corporationinterchem.comHQ: Paramus, NJ, United StatesReported employees: 11-50 | Paramus, NJ, United States | 11-50 | Exact match | 60 contacts → |
“For over 45 years, Interchem has been successfully locating sources of fine chemicals, intermediates, active pharmaceutical ingredients, and sophisticated next generation…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Freemen Nutra Groupfreemennutra.com HQ: Edison, NJ, United StatesReported employees: 51-200 | Edison, NJ, United States | 51-200 | Exact match | 52 contacts → |
“Freemen Nutra Group is a manufacturer and worldwide distributor of ingredients and premixes for the nutraceutical, food, beverage, feed, pet and cosmetics industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Wilmington Pharmatech Company LLCwilmingtonpharmatech.comHQ: Newark, DE, United StatesReported employees: 51-200 | Newark, DE, United States | 51-200 | Exact match | 49 contacts → |
“Wilmington PharmaTech (WPT) is a U.S-based Contract Research, Development, and Manufacturing Organization (CRDMO) providing end-to-end solutions for the pharmaceutical and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Caligor Coghlancalcog.comHQ: Bastrop, TX, United StatesReported employees: 51-200 | Bastrop, TX, United States | 51-200 | Exact match | 46 contacts → |
“CalCog is a vertically integrated clinical supply services company that provides sourcing, packaging, labeling, storage, and distribution services for early to late phase global…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Sancilio & Companysancilio.comHQ: Stuart, FL, United StatesReported employees: Not recorded | Stuart, FL, United States | Not recorded | Exact match | 43 contacts → |
“Incorporated in 2019, Sancilio & Company is wholly owned by Dr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Espee Gctsespeeusa.comHQ: Schaumburg, IL, United StatesReported employees: 201-500 | Schaumburg, IL, United States | 201-500 | Exact match | 40 contacts → |
“Espee Group strives to be a single point contact for large scale developed pharmaceutical manufacturers across the world for their product development to contract manufacturing to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 20 of 287 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Api suppliers: 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
286 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 287 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 api suppliers?
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 api suppliers did RevenueBase find based in the United States?
The saved snapshot records 287 matching company records, 14,949 tracked contacts and 6,179 verified emails. The public preview displays 20 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
Api suppliers by geography
- Api suppliers based in Sao Paulo, Brazil
- Api suppliers based in Ahmedabad, India
- Api suppliers based in Ankleshwar, India
- Api suppliers based in Bangalore, India
- Api suppliers based in Chennai, India
- Api suppliers based in Delhi, India
- Api suppliers based in Hyderabad, India
- Api suppliers based in Mumbai, India
- Api suppliers based in Navi Mumbai, India
- Api suppliers based in New Delhi, India
- Api suppliers based in Pune, India
- Api suppliers based in Vadodara, India
Browse the directory
Cite this list
RevenueBase Data Team. Top 20 api suppliers based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/api-suppliers/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
Company intelligence · public preview
Top 20 api suppliers based in the United States
RevenueBase records 287 matching company records for api suppliers based in the United States, with 14,949 tracked contacts and 6,179 verified work emails.
This public preview shows 20 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 20 api suppliers 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 | Actylisactylis.com HQ: Port Washington, NY, United StatesReported employees: 501-1,000 | Port Washington, NY, United States | 501-1,000 | Exact match | 438 contacts → |
“Actylis is a global solutions provider with over 75 years of experience specializing in streamlining the management of critical ingredients and raw materials for our business…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Olon USAolon-usa.com HQ: Concord, OH, United StatesReported employees: 51-200 | Concord, OH, United States | 51-200 | Exact match | 243 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Halo Pharmaceutical, INChalopharma.com HQ: Whippany, NJ, United StatesReported employees: 201-500 | Whippany, NJ, United States | 201-500 | Exact match | 234 contacts → |
“Halo Pharma is a leading provider of pharmaceutical services, including contract dosage form development, commercial manufacturing, and analytical services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Biospectra, INCbiospectra.us HQ: Bangor, PA, United StatesReported employees: 201-500 | Bangor, PA, United States | 201-500 | Exact match | 161 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 | 145 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ascent Pharmaceuticals, INCascentpharm.com HQ: Central Islip, NY, United StatesReported employees: 201-500 | Central Islip, NY, United States | 201-500 | Exact match | 132 contacts → |
“Ascent Pharmaceuticals, Inc, headquartered in Central Islip, New York, is a leading generic pharmaceutical company specializing in the development, manufacturing, and analysis of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Chartwell Pharmaceuticalschartwellpharma.com HQ: Congers, NY, United StatesReported employees: 51-200 | Congers, NY, United States | 51-200 | Exact match | 125 contacts → |
“Chartwell Pharmaceuticals is a US-based, full-service manufacturing, packaging, laboratory, and related supply chain services organization with manufacturing locations in Congers…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Fagron USfagron.us HQ: Austin, TX, United StatesReported employees: 1,001-5,000 | Austin, TX, United States | 1,001-5,000 | Exact match | 90 contacts → |
“Fagron is the global leader in pharmaceutical compounding and sterile outsourcing, dedicated to making medicine personal.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Stauberstauberusa.com HQ: Fullerton, CA, United StatesReported employees: 51-200 | Fullerton, CA, United States | 51-200 | Exact match | 88 contacts → |
“Since 1969 STAUBER has consistently offered the finest quality ingredients to the nutritional, food, pharmaceutical, cosmetic and pet care industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Chemwerth INCchemwerth.com HQ: Woodbridge, CT, United StatesReported employees: 51-200 | Woodbridge, CT, United States | 51-200 | Exact match | 80 contacts → |
“LEADING THE SUPPLY OF HIGH QUALITY GENERIC APIs 21st Century economic, social, technical and regulatory dynamics are dramatically changing the pharmaceutical world making it more…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Antheia, INCantheia.bio HQ: Menlo Park, CA, United StatesReported employees: 51-200 | Menlo Park, CA, United States | 51-200 | Exact match | 79 contacts → |
“Antheia is the advanced biosynthesis company transforming pharmaceutical manufacturing and innovation for the 21st century.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | TCG Greenchem INCtcggreenchem.com HQ: Ewing, NJ, United StatesReported employees: 11-50 | Ewing, NJ, United States | 11-50 | Exact match | 77 contacts → |
“Offering Seamless CMC Development Services Including Process Research & Development and Delivery of cGMP APIs” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Novel Laboratories, INCnovellabs.net HQ: Somerset, NJ, United StatesReported employees: 51-200 | Somerset, NJ, United States | 51-200 | Exact match | 75 contacts → |
“Founded in December of 2006 by industry veteran, Dr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Rochem International INCrochemintl.com HQ: Hauppauge, NY, United StatesReported employees: 51-200 | Hauppauge, NY, United States | 51-200 | Exact match | 63 contacts → |
“Rochem International is a global leader in developing, sourcing and supplying pharmaceutical, food, nutritional and animal health ingredients of Chinese origin.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Interchem Corporationinterchem.com HQ: Paramus, NJ, United StatesReported employees: 11-50 | Paramus, NJ, United States | 11-50 | Exact match | 60 contacts → |
“For over 45 years, Interchem has been successfully locating sources of fine chemicals, intermediates, active pharmaceutical ingredients, and sophisticated next generation…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Freemen Nutra Groupfreemennutra.com HQ: Edison, NJ, United StatesReported employees: 51-200 | Edison, NJ, United States | 51-200 | Exact match | 52 contacts → |
“Freemen Nutra Group is a manufacturer and worldwide distributor of ingredients and premixes for the nutraceutical, food, beverage, feed, pet and cosmetics industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Wilmington Pharmatech Company LLCwilmingtonpharmatech.com HQ: Newark, DE, United StatesReported employees: 51-200 | Newark, DE, United States | 51-200 | Exact match | 49 contacts → |
“Wilmington PharmaTech (WPT) is a U.S-based Contract Research, Development, and Manufacturing Organization (CRDMO) providing end-to-end solutions for the pharmaceutical and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Caligor Coghlancalcog.com HQ: Bastrop, TX, United StatesReported employees: 51-200 | Bastrop, TX, United States | 51-200 | Exact match | 46 contacts → |
“CalCog is a vertically integrated clinical supply services company that provides sourcing, packaging, labeling, storage, and distribution services for early to late phase global…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Sancilio & Companysancilio.com HQ: Stuart, FL, United StatesReported employees: Not recorded | Stuart, FL, United States | Not recorded | Exact match | 43 contacts → |
“Incorporated in 2019, Sancilio & Company is wholly owned by Dr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Espee Gctsespeeusa.com HQ: Schaumburg, IL, United StatesReported employees: 201-500 | Schaumburg, IL, United States | 201-500 | Exact match | 40 contacts → |
“Espee Group strives to be a single point contact for large scale developed pharmaceutical manufacturers across the world for their product development to contract manufacturing to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 20 of 287 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Api suppliers: 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
286 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 287 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 api suppliers?
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 api suppliers did RevenueBase find based in the United States?
The saved snapshot records 287 matching company records, 14,949 tracked contacts and 6,179 verified emails. The public preview displays 20 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
Api suppliers by geography
- Api suppliers based in Sao Paulo, Brazil
- Api suppliers based in Ahmedabad, India
- Api suppliers based in Ankleshwar, India
- Api suppliers based in Bangalore, India
- Api suppliers based in Chennai, India
- Api suppliers based in Delhi, India
- Api suppliers based in Hyderabad, India
- Api suppliers based in Mumbai, India
- Api suppliers based in Navi Mumbai, India
- Api suppliers based in New Delhi, India
- Api suppliers based in Pune, India
- Api suppliers based in Vadodara, India
Browse the directory
Cite this list
RevenueBase Data Team. Top 20 api suppliers based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/api-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗