Company lists · Data refreshed September 2026

Top 25 Pharmaceutical excipient manufacturers based in the United States

Name: Pharmaceutical excipient manufacturers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 151 companies tracked

RevenueBase identified 151 pharmaceutical excipient manufacturers headquartered in the United States as of September 2026 and tracks 4,848 professional contacts across them, including 1,626 with verified work emails. Charlotte is the largest hub.

This list covers pharmaceutical excipient manufacturers headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review

151Companies

4,848Contacts tracked

1,626Verified emails

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The 25 largest pharmaceutical excipient manufacturers based in the United States

Ranked by team size

Top 25 of 151 pharmaceutical excipient manufacturers based in the United States, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to pharmaceutical excipient manufacturers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Colorcon	Partial evidence	Harleysville, PA, United StatesHQ checked Sep 17, 2026	1,001-5,000	1,088 contacts →
	Partial evidence “Colorcon is a world leader in the development, supply and technical support of formulated film coating systems, modified release technologies, core excipients, and functional…” Source: RevenueBase Database · checked Sep 17, 2026
2	SPI Pharma	Partial evidence	Wilmington, DE, United StatesHQ checked Sep 17, 2026	201-500	304 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
3	Spectrum Chemical Mfg. Corp	Indirect evidence	New Brunswick, NJ, United StatesHQ checked Sep 17, 2026	201-500	232 contacts →
	Indirect evidence “Spectrum Chemical Mfg.” Source: RevenueBase Database · checked Sep 17, 2026
4	Legacy Pharmaceutical Packaging, LLC	Partial evidence	Earth City, MO, United StatesHQ checked Sep 17, 2026	201-500	201 contacts →
	Partial evidence “Legacy Pharma Solutions is a privately held contract pharmaceutical packaging company located in St.” Source: RevenueBase Database · checked Sep 17, 2026
5	Jubilant Pharma Limited	Partial evidence	Yardley, PA, United StatesHQ checked Sep 17, 2026	1,001-5,000	184 contacts →
	Partial evidence “Jubilant Pharma Limited is a global integrated pharmaceutical company offering a wide range of products and services to our customers across geographies.” Source: RevenueBase Database · checked Sep 17, 2026
6	Medivant Healthcare	Strong evidence	Chandler, AZ, United StatesHQ checked Sep 17, 2026	51-200	158 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
7	Noramco	Partial evidence	Wilmington, DE, United StatesHQ checked Sep 17, 2026	201-500	148 contacts →
	Partial evidence “Noramco, headquartered in Wilmington, Delaware, is a global leader in the production of controlled substances for the pharmaceutical industry, for medicines used to treat…” Source: RevenueBase Database · checked Sep 17, 2026
8	Nexgen Pharma	Partial evidence	Irvine, CA, United StatesHQ checked Sep 17, 2026	201-500	142 contacts →
	Partial evidence “Nexgen Pharma is a specialty pharmaceutical company that provides development and manufacturing services for Rx, OTC drugs as well as custom dietary supplement formulations.” Source: RevenueBase Database · checked Sep 17, 2026
9	Chartwell Pharmaceuticals	Partial evidence	Congers, NY, United StatesHQ checked Sep 17, 2026	51-200	115 contacts →
	Partial evidence “Chartwell Pharmaceuticals is a US-based, full-service manufacturing, packaging, laboratory, and related supply chain services organization with multiple manufacturing locations in…” Source: RevenueBase Database · checked Sep 17, 2026
10	Pfanstiehl, INC	Partial evidence	Waukegan, IL, United StatesHQ checked Sep 17, 2026	51-200	99 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
11	Chemwerth INC	Partial evidence	Woodbridge, CT, United StatesHQ checked Sep 17, 2026	51-200	81 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026
12	Natureplex LLC	Partial evidence	Olive Branch, MS, United StatesHQ checked Sep 17, 2026	51-200	57 contacts →
	Partial evidence “Pharmaceutical manufacturing company located in Olive Branch, Mississippi.” Source: RevenueBase Database · checked Sep 17, 2026
13	Lacamas Laboratories	Partial evidence	Portland, OR, United StatesHQ checked Sep 17, 2026	11-50	56 contacts →
	Partial evidence “Lacamas Laboratories manufactures and delivers high quality products at the best price possible, on time every time.” Source: RevenueBase Database · checked Sep 17, 2026
14	Hanford Pharmaceuticals	Strong evidence	Syracuse, NY, United StatesHQ checked Sep 17, 2026	51-200	52 contacts →
	Strong evidence “Hanford Pharmaceuticals is among the most respected of contract manufacturers specializing in sterile filling of injectable antibiotics in the United States.” Source: RevenueBase Database · checked Sep 17, 2026
15	Trividia Manufacturing Solutions, INC	Indirect evidence	Lancaster, NH, United StatesHQ checked Sep 17, 2026	51-200	46 contacts →
	Indirect evidence “Trividia Manufacturing Solutions (formerly PJ Noyes) specializes in contract manufacturing and packaging services for OTC drugs (oral and topical), dietary supplements…” Source: RevenueBase Database · checked Sep 17, 2026
16	Quagen Pharmaceuticals	Partial evidence	West Caldwell, NJ, United StatesHQ checked Sep 17, 2026	51-200	46 contacts →
	Partial evidence “Quagen Pharma is a fully integrated, pharmaceutical company producing a wide range of quality, affordable generic medicines, trusted by healthcare professionals and patients…” Source: RevenueBase Database · checked Sep 17, 2026
17	Pharbest Pharmaceuticals, INC	Indirect evidence	Farmingdale, NY, United StatesHQ checked Sep 17, 2026	51-200	45 contacts →
	Indirect evidence “Founded in 2004, Pharbest specializes in contract manufacturing and private label manufacturing for solid dose OTC drugs and dietary supplements.” Source: RevenueBase Database · checked Sep 17, 2026
18	Nomax INC	Partial evidence	St Louis, MO, United StatesHQ checked Sep 17, 2026	51-200	41 contacts →
	Partial evidence “Nomax Inc, founded in 1982, is an FDA specialty contract pharmaceutical company focused on developing innovative niche pharmaceutical products for patients and other…” Source: RevenueBase Database · checked Sep 17, 2026
19	On Demand Pharmaceuticals INC	Partial evidence	Rockville, MD, United StatesHQ checked Sep 17, 2026	51-200	39 contacts →
	Partial evidence “On Demand Pharmaceuticals™ is a technology company transforming how medicines are made and delivered.” Source: RevenueBase Database · checked Sep 17, 2026
20	Sterling Pharmaceutical Services	Strong evidence	Dupo, IL, United StatesHQ checked Sep 17, 2026	51-200	33 contacts →
	Strong evidence “Sterling Pharmaceutical Services LLC is a full-service pharmaceutical contract manufacturer and formulation development expert that specializes in technology transfers, scale-up…” Source: RevenueBase Database · checked Sep 17, 2026
21	Dipharma INC	Indirect evidence	Kalamazoo, MI, United StatesHQ checked Sep 17, 2026	51-200	32 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026
22	KEB Nutraceutical USA INC	Indirect evidence	Chino, CA, United StatesHQ checked Sep 17, 2026	11-50	32 contacts →
	Indirect evidence “KEB (Inner Mongolia Ever Brilliance Biotechnology Co, Ltd) was founded in located in Inner Mongolia.” Source: RevenueBase Database · checked Sep 17, 2026
23	Avatar Corporation	Partial evidence	University Park, IL, United StatesHQ checked Sep 17, 2026	51-200	27 contacts →
	Partial evidence “Avatar Corporation is a manufacturer of products for the food, drug and personal care industries.” Source: RevenueBase Database · checked Sep 17, 2026
24	Golden State Medical Supply, INC	Partial evidence	Camarillo, CA, United StatesHQ checked Sep 17, 2026	51-200	19 contacts →
	Partial evidence “True to our veteran founder, our singular focus is to be a five-star generic pharmaceutical supplier.” Source: RevenueBase Database · checked Sep 17, 2026
25	Specializedrx Products, LLC	Strong evidence	Circle Pines, MN, United StatesHQ checked Sep 17, 2026	11-50	18 contacts →
	Strong evidence “Headquartered in Blaine, MN, SpecializedRx Products, LLC is an FDA registered (FDA Establishment Identifier: 3014383211) pharmaceutical excipient manufacturer and repackager…” Source: RevenueBase Database · checked Sep 17, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: pharmaceutical excipient manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names pharmaceutical excipient manufacturers.
Partial evidence: Its own public description names part of pharmaceutical excipient manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name pharmaceutical excipient manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 151 pharmaceutical excipient manufacturers based in the United States

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Pharmaceutical excipient manufacturers based in the United States at a glance

As of Sep 17, 2026

33.5%Verified-email coverage

32.1Average contacts per company

11-50Median size (employees)

2.0%Largest-city concentration · Charlotte

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

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 151 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among pharmaceutical excipient manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “pharmaceutical excipient manufacturers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names pharmaceutical excipient manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among pharmaceutical excipient manufacturers, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,626 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 17, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names pharmaceutical excipient manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 151 pharmaceutical excipient manufacturers headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Colorcon, headquartered in Harleysville, tops this list with the largest team on record.

Which city has the most pharmaceutical excipient manufacturers?

Charlotte leads with 3 headquartered companies, followed by Piscataway (3) and Bothell (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,626 verified decision-maker contacts tracked across these 151 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 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 Smart Search, 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.