Company lists · Data refreshed September 2026
Top 25 Generic oral medication manufacturers based in the United States
RevenueBase identified 298 generic oral medication manufacturers headquartered in the United States as of September 2026 and tracks 28,197 professional contacts across them, including 9,537 with verified work emails. New York is the largest hub.
This list covers generic oral medication 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 16, 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.
The 25 largest generic oral medication manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,073 contacts → | ||||
Indirect evidence “Amneal Pharmaceuticals, Inc.(NASDAQ: AMRX) is guided by a simple belief: essential medicines should be accessible to everyone.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 4,649 contacts → | ||||
Indirect evidence “Lupin Pharmaceuticals, Inc.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,187 contacts → | ||||
Partial evidence “Torrent Pharma Inc.(TPI) is the 100% US subsidiary of Torrent Pharmaceuticals Ltd, a leading pharmaceuticals company in India with a growing presence in the global generics market.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,101 contacts → | ||||
Partial evidence “Aurobindo USA is committed to delivering a broad portfolio of quality, affordable generic pharmaceuticals to pharmacists and patients.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,095 contacts → | ||||
Strong evidence “Par Pharmaceutical: High-Quality, Cost-Effective Generic Products Par Pharmaceutical, headquartered in Chestnut Ridge, New York, develops, manufactures and markets safe…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 898 contacts → | ||||
Partial evidence “Nephron Pharmaceuticals manufactures more than one billion sterile doses each year for patients, providers and partners around the world.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 885 contacts → | ||||
Strong evidence “Purdue and its subsidiaries develop, manufacture and market medications to meet the evolving needs of healthcare professionals, patients, and caregivers.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 616 contacts → | ||||
Partial evidence “At Akorn, we develop, manufacture and market specialty pharmaceuticals, including prescription, consumer health and animal health products.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 398 contacts → | ||||
Strong evidence “Padagis is a leading global provider of high-quality generic pharmaceuticals, driven by the vision that every patient deserves affordable access to the medication that best serves…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 395 contacts → | ||||
Indirect evidence “Upsher‑Smith is the commercial arm of the Bora Group, focused on developing, marketing, and distributing pharmaceutical products that make a real difference for patients.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 313 contacts → | ||||
Indirect evidence “Rising Pharma Holdings, INC is an industry leader in marketing and distributing innovative branded and multi-source prescription and over-the-counter pharmaceutical products.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 309 contacts → | ||||
Indirect evidence “Zydus Pharmaceuticals (USA) Inc.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 294 contacts → | ||||
Partial evidence “PAI Pharma is the industry leader of high-quality, US-made liquid and unit-dose medications.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 286 contacts → | ||||
Indirect evidence “Kashiv BioSciences, LLC is a fully integrated biosciences company headquartered in Bridgewater, New Jersey with locations in Piscataway, NJ, Chicago IL, and Ahmedabad, India.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 243 contacts → | ||||
Indirect evidence “Mission Pharmacal Company is a privately held pharmaceutical company based in San Antonio, Texas.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 238 contacts → | ||||
Indirect evidence “Cipla USA, the wholly owned subsidiary of Cipla (established in 1935), has been enabling patient access to affordable and high-quality medicines in the US for over 30 years.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 206 contacts → | ||||
Indirect evidence “SAGENT Pharmaceuticals® is a leading provider of pharmaceuticals.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 197 contacts → | ||||
Indirect evidence “Ingenus Pharmaceuticals is a privately owned and U.S.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 194 contacts → | ||||
Partial evidence “Since 1987, TopRx has had one goal: provide customized solutions and outstanding customer support within the generic pharmaceutical industry.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 184 contacts → | ||||
Indirect 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 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 183 contacts → | ||||
Partial evidence “Camber is made up of three groups with one common goal: to be the best generics company in the industry.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 176 contacts → | ||||
Indirect evidence “Helping People Realize Their Potential – that is our purpose at G&W.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 150 contacts → | ||||
Indirect evidence “Spectrum Pharmaceuticals.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 146 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 141 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
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: generic oral medication 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 generic oral medication manufacturers.
- Partial evidence
- Its own public description names part of generic oral medication manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name generic oral medication 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 298 generic oral medication manufacturers based in the United States
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Generic oral medication manufacturers based in the United States at a glance
As of Sep 16, 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 298 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 generic oral medication 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 “generic oral medication 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 generic oral medication 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 generic oral medication 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, 9,537 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 16, 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 generic oral medication 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 generic oral medication manufacturers are there based in the United States?
RevenueBase identified 298 generic oral medication 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?
Amneal Pharmaceuticals, headquartered in Bridgewater, tops this list with the largest team on record.
Which city has the most generic oral medication manufacturers?
New York leads with 8 headquartered companies, followed by Somerset (8) and Princeton (6).
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 9,537 verified decision-maker contacts tracked across these 298 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 16, 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.
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