Company lists · Data refreshed October 2026

Top 25 Intermediates manufacturers pharmaceutical companies based in the United States

Name: Intermediates manufacturers pharmaceutical companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 17, 2026 283 companies tracked

RevenueBase identified 283 company matches for intermediates manufacturers pharmaceutical companies associated with the United States as of October 2026 and tracks 9,534 professional contacts across them, including 3,059 with verified work emails. San Diego is the largest hub.

This list covers company matches for intermediates manufacturers pharmaceutical companies associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 17, 2026 How this list was built

283Companies

9,534Contacts tracked

3,059Verified emails

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The 25 largest intermediates manufacturers pharmaceutical companies based in the United States

Ranked by team size

Top 25 of 283 company matches for intermediates manufacturers pharmaceutical companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 17, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Veranova	Exact match	Devens, MA, United StatesHQ recorded Oct 17, 2026	501-1,000	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 17, 2026 · View company records in RevenueBase
2	SK Pharmteco	Exact match	Rancho Cordova, CA, United StatesHQ recorded Oct 17, 2026	1,001-5,000	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 17, 2026 · View company records in RevenueBase
3	Monument Chemical	Exact match	Indianapolis, IN, United StatesHQ recorded Oct 17, 2026	501-1,000	414 contacts →
	Exact match “Every day, our customers bring us their toughest chemistry challenges.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
4	SPI Pharma	Exact match	Wilmington, DE, United StatesHQ recorded Oct 17, 2026	201-500	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 17, 2026 · View company records in RevenueBase
5	Jost Chemical	Exact match	St. Louis, MO, United StatesHQ recorded Oct 17, 2026	201-500	265 contacts →
	Exact match “Jost Chemical Co.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
6	Spectrum Chemical Mfg. Corp	Exact match	New Brunswick, NJ, United StatesHQ recorded Oct 17, 2026	201-500	243 contacts →
	Exact match “Spectrum Chemical Mfg.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
7	Olon USA	Exact match	Concord, OH, United StatesHQ recorded Oct 17, 2026	51-200	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 17, 2026 · View company records in RevenueBase
8	Cornerstone Chemical Company, LLC	Exact match	Metairie, LA, United StatesHQ recorded Oct 17, 2026	201-500	214 contacts →
	Exact match “Cornerstone produces intermediates safely, efficiently and reliably to enable down-stream specialty chemical manufacturing.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
9	Jubilant Pharma Limited	Exact match	Yardley, PA, United StatesHQ recorded Oct 17, 2026	1,001-5,000	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 17, 2026 · View company records in RevenueBase
10	Adesis, INC	Exact match	New Castle, DE, United StatesHQ recorded Oct 17, 2026	51-200	181 contacts →
	Exact match “Adesis Inc.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
11	Medivant Healthcare	Exact match	Chandler, AZ, United StatesHQ recorded Oct 17, 2026	51-200	171 contacts →
	Exact match “Uniquely poised as a world class FDA registered outsourcing pharmaceutical manufacturer, Medivant offers the best in the industry when it comes to reliability and management…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
12	Ambiopharm	Exact match	North Augusta, SC, United StatesHQ recorded Oct 17, 2026	501-1,000	170 contacts →
	Exact match “As of 1st August 2026, AmbioPharm is now part of CordenPharma.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
13	Biospectra, INC	Exact match	Bangor, PA, United StatesHQ recorded Oct 17, 2026	201-500	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 17, 2026 · View company records in RevenueBase
14	Spectrum Pharmaceuticals, INC	Exact match	Lake Forest, IL, United StatesHQ recorded Oct 17, 2026	51-200	156 contacts →
	Exact match “Spectrum Pharmaceuticals.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
15	Apicore Pharmaceuticals	Exact match	East Brunswick, NJ, United StatesHQ recorded Oct 17, 2026	501-1,000	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 17, 2026 · View company records in RevenueBase
16	Medchemexpress LLC	Exact match	Monmouth Junction, NJ, United StatesHQ recorded Oct 17, 2026	1,001-5,000	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 17, 2026 · View company records in RevenueBase
17	Chartwell Pharmaceuticals	Exact match	Congers, NY, United StatesHQ recorded Oct 17, 2026	51-200	119 contacts →
	Exact match “Chartwell Pharmaceuticals is a US-based, full-service manufacturing, packaging, laboratory, and related supply chain services organization with multiple manufacturing locations in…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
18	Lilly Usa, LLC	Exact match	Indianapolis, IN, United StatesHQ recorded Oct 17, 2026	51-200	107 contacts →
	Exact match “Lilly USA, LLC is a pharmaceuticals company based out of Lilly Corporate Center, Indianapolis, Indiana, United States.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
19	Pfanstiehl, INC	Exact match	Waukegan, IL, United StatesHQ recorded Oct 17, 2026	51-200	104 contacts →
	Exact match “For over 100 years, Pfanstiehl has been manufacturing High Purity Low Endotoxin Low Metals (HPLE-LM) Injectable parenteral excipient grade Carbohydrates, Amino Acids, and Buffer…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
20	Wiley Companies	Exact match	Coshocton, OH, United StatesHQ recorded Oct 17, 2026	201-500	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 17, 2026 · View company records in RevenueBase
21	Ethox Chemicals	Exact match	Greenville, SC, United StatesHQ recorded Oct 17, 2026	201-500	89 contacts →
	Exact match “Ethox Chemicals, A Syntha Group Company Founded in 1938 by Fred Wilson, Sr.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
22	Synsmart	Exact match	Newtown, PA, United StatesHQ recorded Oct 17, 2026	51-200	81 contacts →
	Exact match “Founded in 2014, SynSmart has made its name in chemistry services for early-stage discovery projects as well as collaborative scale-up and manufacturing support services.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
23	Chemwerth INC	Exact match	Woodbridge, CT, United StatesHQ recorded Oct 17, 2026	51-200	79 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 · Oct 17, 2026 · View company records in RevenueBase
24	TCG Greenchem INC	Exact match	Ewing, NJ, United StatesHQ recorded Oct 17, 2026	11-50	76 contacts →
	Exact match “Offering Seamless CMC Development Services Including Process Research & Development and Delivery of cGMP APIs” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
25	Antheia, INC	Exact match	Menlo Park, CA, United StatesHQ recorded Oct 17, 2026	51-200	74 contacts →
	Exact match “Antheia is the advanced biosynthesis company transforming pharmaceutical manufacturing and innovation for the 21st century.” Recorded in the RevenueBase company graph · Oct 17, 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 “intermediates manufacturers pharmaceutical companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 283 intermediates manufacturers pharmaceutical companies based in the United States

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Intermediates manufacturers pharmaceutical companies based in the United States at a glance

As of Oct 17, 2026

32.1%Verified-email coverage

33.7Average contacts per company

11-50Median size (employees)

3.5%Largest-city concentration · San Diego

Oct 17, 2026Page data refreshed

Companies by employee count

1-10

105

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

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 283 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 “intermediates manufacturers pharmaceutical companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 3,059 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 17, 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 “intermediates manufacturers pharmaceutical companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many intermediates manufacturers pharmaceutical companies are there based in the United States?

RevenueBase identified 283 company matches for intermediates manufacturers pharmaceutical companies 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?

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

Which city has the most intermediates manufacturers pharmaceutical companies?

San Diego leads with 10 company records, followed by Charlotte (5) and Paramus (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 3,059 professional contacts with verified work emails tracked across these 283 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 17, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.