Company lists · Data refreshed September 2026

Top 25 Custom synthesis companies worldwide

Name: Custom synthesis companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 2,312 companies tracked

RevenueBase identified 2,312 custom synthesis companies worldwide as of September 2026 and tracks 106,177 professional contacts across them, including 28,426 with verified work emails. India is the largest market and Hyderabad the largest hub.

This list covers custom synthesis companies 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 19, 2026. Country and city lists for custom synthesis companies 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

2,312Companies

106,177Contacts tracked

28,426Verified emails

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The 25 largest custom synthesis companies worldwide

Ranked by team size

Top 25 of 2,312 custom synthesis companies worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to custom synthesis companies: 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	MSN Laboratories	Indirect evidence	Hyderabad, IndiaHQ checked Sep 19, 2026	10001+	7,225 contacts →
	Indirect evidence “MSN Group is one of the fastest-growing, research-based and fully integrated pharmaceutical companies based out of Hyderabad, India.” Source: RevenueBase Database · checked Sep 19, 2026
2	Almac Group	Indirect evidence	Craigavon, United KingdomHQ checked Sep 19, 2026	5,001-10,000	4,577 contacts →
	Indirect evidence “Partnering to Advance Human Health A unique culture delivering exceptional solutions: Almac is a financially secure, privately owned organisation with 7,800+ employees globally.” Source: RevenueBase Database · checked Sep 19, 2026
3	Wacker	Indirect evidence	Munich, GermanyHQ checked Sep 19, 2026	10001+	4,495 contacts →
	Indirect evidence “We are a leading player and one of the world’s most research-intensive chemical and biotechnology companies.” Source: RevenueBase Database · checked Sep 19, 2026
4	Divis Laboratories	Indirect evidence	Hyderabad, IndiaHQ checked Sep 19, 2026	10001+	3,025 contacts →
	Indirect 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 19, 2026
5	Anthem Biosciences Limited	Indirect evidence	Bangalore, IndiaHQ checked Sep 19, 2026	1,001-5,000	2,336 contacts →
	Indirect evidence “Anthem Biosciences, a Bangalore-India based Contract Research Development Organization (CDMO) Anthem Bio offers a whole gamut of services dedicated to enabling and sustaining…” Source: RevenueBase Database · checked Sep 19, 2026
6	Hikal LTD	Indirect evidence	Navi Mumbai, IndiaHQ checked Sep 19, 2026	1,001-5,000	2,310 contacts →
	Indirect evidence “Established in 1988, Hikal is a reliable partner to companies in the Pharmaceutical, Animal Health, Biotech, Crop Protection and Specialty Chemical industries.” Source: RevenueBase Database · checked Sep 19, 2026
7	Deccan Fine Chemicals Pvt. Limited	Partial evidence	Hyderabad, IndiaHQ checked Sep 19, 2026	5,001-10,000	2,194 contacts →
	Partial evidence “Deccan Fine Chemicals (“Deccan”) is a privately owned globally operating company focusing on custom manufacturing of active ingredients and advanced intermediates for agro…” Source: RevenueBase Database · checked Sep 19, 2026
8	Jubilant Biosys Limited	Indirect evidence	Noida, IndiaHQ checked Sep 19, 2026	1,001-5,000	1,882 contacts →
	Indirect evidence “Jubilant Biosys is an integrated Contract Research, Development and Manufacturing Organization (CRDMO) providing drug discovery, development, and GMP manufacturing services to…” Source: RevenueBase Database · checked Sep 19, 2026
9	Neuland Laboratories Limited	Partial evidence	Hyderabad, IndiaHQ checked Sep 19, 2026	1,001-5,000	1,834 contacts →
	Partial evidence “Founded in 1984, Neuland Labs is a globally recognised Contract Development and Manufacturing Organization (CDMO), offering comprehensive customised NCE development services.” Source: RevenueBase Database · checked Sep 19, 2026
10	TAPI	Indirect evidence	Tel Aviv, IsraelHQ checked Sep 19, 2026	1,001-5,000	1,724 contacts →
	Indirect evidence “Since our founding in 1935, TAPI has been at the forefront of advancing health through innovation and dedication.” Source: RevenueBase Database · checked Sep 19, 2026
11	Corden Pharma	Indirect evidence	Basel, SwitzerlandHQ checked Sep 19, 2026	1,001-5,000	1,616 contacts →
	Indirect evidence “CordenPharma is your full-service partner in the Contract Development & Manufacturing (CDMO) of APIs, Lipid Excipients, Drug Products and Packaging.” Source: RevenueBase Database · checked Sep 19, 2026
12	Cambrex	Indirect evidence	East Rutherford, NJ, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,294 contacts →
	Indirect evidence “Cambrex is a leading global contract development and manufacturing organization (CDMO) that provides drug substance development and manufacturing across the entire drug lifecycle…” Source: RevenueBase Database · checked Sep 19, 2026
13	Navin Fluorine International LTD	Indirect evidence	Mumbai, IndiaHQ checked Sep 19, 2026	1,001-5,000	1,229 contacts →
	Indirect evidence “Navin Fluorine International Ltd (NFIL) is a reliable global leader offering organo-fluorine chemistry expertise for nearly 50 years with operations in UK & India, that spans…” Source: RevenueBase Database · checked Sep 19, 2026
14	Aurigene Pharmaceutical Services Limited	Indirect evidence	Bangalore, IndiaHQ checked Sep 19, 2026	501-1,000	1,092 contacts →
	Indirect evidence “Aurigene Pharmaceutical Services is leading contract research, development, and manufacturing organization (CDMO).” Source: RevenueBase Database · checked Sep 19, 2026
15	TCG Lifesciences PVT LTD	Indirect evidence	Kolkata, IndiaHQ checked Sep 19, 2026	1,001-5,000	1,019 contacts →
	Indirect evidence “TCG Lifesciences Pvt.” Source: RevenueBase Database · checked Sep 19, 2026
16	Eurofins Advinus	Indirect evidence	Bangalore, IndiaHQ checked Sep 19, 2026	201-500	957 contacts →
	Indirect evidence “Eurofins Advinus Private Limited is a premier contract research, development and manufacturing organization (CRDMO) serving diverse industries to help advance their R&D programs…” Source: RevenueBase Database · checked Sep 19, 2026
17	Marksans Pharma Ltd. - India	Indirect evidence	Mumbai, IndiaHQ checked Sep 19, 2026	1,001-5,000	947 contacts →
	Indirect evidence “Company Profile "The essence of our culture is built on meeting global standards in every aspect of our business." These envisioned words of Mr.” Source: RevenueBase Database · checked Sep 19, 2026
18	F.I.S.	Indirect evidence	Montecchio Maggiore, ItalyHQ checked Sep 19, 2026	1,001-5,000	806 contacts →
	Indirect evidence “F.I.S.” Source: RevenueBase Database · checked Sep 19, 2026
19	Aarti Pharmalabs Ltd. APL	Indirect evidence	Mumbai, IndiaHQ checked Sep 19, 2026	1,001-5,000	786 contacts →
	Indirect evidence “Aarti Pharmalabs Limited – Powering Innovation.” Source: RevenueBase Database · checked Sep 19, 2026
20	Aptuit	Indirect evidence	Verona, ItalyHQ checked Sep 19, 2026	501-1,000	678 contacts →
	Indirect evidence “Aptuit, an Evotec company, is a pharmaceutical services provider that offers the most complete set of integrated early discovery to mid-phase drug development solutions by…” Source: RevenueBase Database · checked Sep 19, 2026
21	Carbogen Amcis	Indirect evidence	Bubendorf, FranceHQ checked Sep 19, 2026	1,001-5,000	649 contacts →
	Indirect evidence “CARBOGEN AMCIS leverages its world-class chemistry skills to provide seamless drug substance, drug products development and commercialization services for leading pharmaceutical…” Source: RevenueBase Database · checked Sep 19, 2026
22	Biovectra	Partial evidence	Charlottetown, PE, CanadaHQ checked Sep 19, 2026	501-1,000	628 contacts →
	Partial evidence “Expertise in both microbial fermentation and chemical synthesis allows us to tackle today’s development pipeline’s increasingly complex molecules.” Source: RevenueBase Database · checked Sep 19, 2026
23	Axplora	Indirect evidence	Raubling, GermanyHQ checked Sep 19, 2026	1,001-5,000	617 contacts →
	Indirect evidence “We are Axplora, a company bringing together Farmabios, Novasep and PharmaZell.” Source: RevenueBase Database · checked Sep 19, 2026
24	Nitto Avecia	Indirect evidence	Milford, MA, United StatesHQ checked Sep 19, 2026	501-1,000	603 contacts →
	Indirect evidence “Oligonucleotides are giving rise to a new generation of therapeutics-and Nitto Avecia is helping lead the way.” Source: RevenueBase Database · checked Sep 19, 2026
25	Veranova	Indirect evidence	Devens, MA, United StatesHQ checked Sep 19, 2026	501-1,000	574 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 19, 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: custom synthesis companies. 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 custom synthesis companies.
Partial evidence: Its own public description names part of custom synthesis companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name custom synthesis companies. 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 2,312 custom synthesis companies worldwide

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Custom synthesis companies worldwide at a glance

As of Sep 19, 2026

26.8%Verified-email coverage

45.9Average contacts per company

11-50Median size (employees)

6.0%Largest-city concentration · Hyderabad

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

668

11-50

751

51-200

521

201-500

177

501-1,000

1,001-5,000

5,001-10,000

10001+

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 custom synthesis companies, 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 custom synthesis companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “custom synthesis companies”. 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 custom synthesis companies), 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 custom synthesis companies, 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, 28,426 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 19, 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.

Custom synthesis companies by location

13 lists · largest first

Every Custom synthesis companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 custom synthesis companies, 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 custom synthesis companies are there worldwide?

RevenueBase identified 2,312 custom synthesis companies 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?

MSN Laboratories, headquartered in Worldwide, tops this list with the largest team on record.

Which country has the most custom synthesis companies?

India leads with 621 companies, followed by China (367) and the United States (343). Every custom synthesis companies list by country and city is linked on this page.

Which city has the most custom synthesis companies?

Hyderabad leads with 139 headquartered companies, followed by Mumbai (60) and Shanghai (32).

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 28,426 verified decision-maker contacts tracked across these 2,312 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 19, 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.