Company lists · Data refreshed September 2026
Top 25 Quercetin api manufacturers worldwide
RevenueBase identified 366 quercetin api manufacturers worldwide as of September 2026 and tracks 10,715 professional contacts across them, including 1,793 with verified work emails. India is the largest market and Xian the largest hub.
This list covers quercetin api manufacturers worldwide, 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 30, 2026. Country and city lists for quercetin api manufacturers follow the table.
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 quercetin api manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,025 contacts → | ||||
Partial evidence “Divi’s Laboratories Limited is one of the largest API companies in the world, with ~$1.25B in revenue and exporting to more than 100 countries.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,369 contacts → | ||||
Indirect evidence “EUROAPI is focused on reinventing active pharmaceutical ingredients to sustainably meet customers’ and patients’ needs around the world.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 658 contacts → | ||||
Indirect evidence “As an EU-GMP-certified global company and an established hallmark for pharmaceutical standards, Global Calcium has stood the test of time since its inception in 1979 as Calcium…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 457 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 391 contacts → | ||||
Indirect evidence “Driven by innovation and backed by over 85 years of expertise, Alchem International is a globally recognized leader in manufacturing high-quality, plant-derived active ingredients.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 373 contacts → | ||||
Strong evidence “Apothecon Pharmaceuticals is research based company founded in 2007 and a leading manufacturer of niche APIs and formulations located in Vadodara India.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 292 contacts → | ||||
Partial evidence “Sigachi Industries Limited is a leading Public Listed (NSE & BSE in India) Healthcare company working in domains of Pharmaceutical API & Excipients, Food & Nutrition, and…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 179 contacts → | ||||
Indirect evidence “HTBA is a science-based global leader with over 40 years of expertise in processing and manufacturing natural origin flavonoids and vitamin B12.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 167 contacts → | ||||
Strong evidence “We, Vital Laboratories Private Limited, are manufactures of pharmaceutical API’s.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 165 contacts → | ||||
Strong evidence “Welcome to Anjan, one of India's leading manufacturers of unique Active Pharmaceutical Ingredients (API).” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 145 contacts → | ||||
Indirect evidence “TAGOOR LABS, a distinct pharmaceutical entity of TAGOOR GROUP, is a young and agile company that was established by the visionary leadership of Dr.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 134 contacts → | ||||
Indirect evidence “Unveil the potential | Bordas transforma la salud y el bienestar de las personas, de los animales y del planeta a través del poder de la naturaleza.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 96 contacts → | ||||
Indirect evidence “Venkatesh Natural Extract Pvt.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 84 contacts → | ||||
Indirect evidence “Sabinsa's mission is to provide alternative and complementary natural products for human nutrition and well-being.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 77 contacts → | ||||
Indirect evidence “Afriplex is a solution driven Pharmaceutical Company, manufacturing pharmaceutical ingredients as well as formulated products.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 74 contacts → | ||||
Indirect evidence “Finzelberg - where state of the art meets revered tradition.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 73 contacts → | ||||
Indirect evidence “BGG is a global leader in the development and purification of high quality active natural plant ingredients for the dietary supplement, pharmaceutical, personal care, and food and…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 70 contacts → | ||||
Indirect evidence “Supreem Pharmaceuticals Mysore Pvt.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 62 contacts → | ||||
Partial evidence “Linnea’s mission is to improve the quality of life of people around the globe by manufacturing and distributing superior-quality purified and semi-synthetic APIs and standardized…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 61 contacts → | ||||
Indirect evidence “At Shubham Pharmachem Pvt.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 58 contacts → | ||||
Partial evidence “DISCOVER US Biotechnology based, Pharmactive is engaged to research, development, manufacture and marketing of natural products and active ingredients for its use in the…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 49 contacts → | ||||
Indirect evidence “A Ayalla nasceu em 1973 para ofertar matéria-prima de qualidade.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 41 contacts → | ||||
Indirect evidence “Fytexia is a life science company that specialises in developing scientifically-supported active ingredients for dietary supplements.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 37 contacts → | ||||
Partial evidence “For over 180 years, Ransom Naturals has combined botanical expertise with scientific excellence to develop and manufacture premium natural extracts for the pharmaceutical…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 37 contacts → | ||||
Indirect evidence “Headquartered in Munich, Germany, with four decades of industry expertise.” Source: RevenueBase Database · checked Sep 30, 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: quercetin api 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 quercetin api manufacturers.
- Partial evidence
- Its own public description names part of quercetin api manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name quercetin api 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 366 quercetin api manufacturers worldwide
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Quercetin api manufacturers worldwide at a glance
As of Sep 30, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 quercetin api 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.
- Coverage
- Every country. Country and city lists for quercetin api manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “quercetin api 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 quercetin api 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 quercetin api manufacturers, and records with no verified work email.
- 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, 1,793 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 30, 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.
Quercetin api manufacturers by location
1 lists · largest firstEvery Quercetin api manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 quercetin api 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 quercetin api manufacturers are there worldwide?
RevenueBase identified 366 quercetin api manufacturers worldwide 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?
Divis Laboratories, headquartered in Hyderabad, tops this list with the largest team on record.
Which country has the most quercetin api manufacturers?
India leads with 95 companies. Every quercetin api manufacturers list by country and city is linked on this page.
Which city has the most quercetin api manufacturers?
Xian leads with 25 headquartered companies, followed by Mumbai (12) and Hyderabad (8).
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 1,793 verified decision-maker contacts tracked across these 366 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 30, 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.