Company lists · Data refreshed October 2026

Top 25 Custom synthesis manufacturers based in India

RevenueBase identified 428 company matches for custom synthesis manufacturers associated with India as of October 2026 and tracks 27,522 professional contacts across them, including 3,785 with verified work emails. Hyderabad is the largest hub.

This list covers company matches for custom synthesis manufacturers associated with India, 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 11, 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 11, 2026 How this list was built
428Companies
27,522Contacts tracked
3,785Verified emails
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The 25 largest custom synthesis manufacturers based in India

Ranked by team size
Top 25 of 428 company matches for custom synthesis manufacturers based in India, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBangalore, IndiaHQ recorded Oct 11, 20261,001-5,0002,306 contacts →

Exact match

“Anthem Biosciences, a Bangalore-India based Contract Research Development Organization (CDMO) Anthem Bio offers a whole gamut of services dedicated to enabling and sustaining…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
2Exact matchNavi Mumbai, IndiaHQ recorded Oct 11, 20261,001-5,0002,254 contacts →

Exact match

“Established in 1988, Hikal is a reliable partner to companies in the Pharmaceutical, Animal Health, Biotech, Crop Protection and Specialty Chemical industries.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
3Exact matchHyderabad, IndiaHQ recorded Oct 11, 20265,001-10,0002,184 contacts →

Exact match

“Deccan Fine Chemicals (“Deccan”) is a privately owned globally operating company focusing on custom manufacturing of active ingredients and advanced intermediates for agro…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4Exact matchHyderabad, IndiaHQ recorded Oct 11, 20261,001-5,0001,885 contacts →

Exact match

“Founded in 1984, Neuland Labs is a globally recognised Contract Development and Manufacturing Organization (CDMO), offering comprehensive customised NCE development services.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5Exact matchMumbai, IndiaHQ recorded Oct 11, 20261,001-5,0001,239 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6Exact matchKolkata, IndiaHQ recorded Oct 11, 20261,001-5,0001,006 contacts →

Exact match

“TCG Lifesciences Pvt.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7Exact matchBangalore, IndiaHQ recorded Oct 11, 2026201-500732 contacts →

Exact match

“Eurofins Advinus Private Limited is a premier contract research, development and manufacturing organization (CRDMO) serving diverse industries to help advance their R&D programs…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8Exact matchChennai, IndiaHQ recorded Oct 11, 20261,001-5,000664 contacts →

Exact match

“Pon Pure Chemicals Group, Founded in 1981 by first-generation entrepreneur Shri.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9Exact matchHyderabad, IndiaHQ recorded Oct 11, 20261,001-5,000561 contacts →

Exact match

“Honour is a leading global CDMO and Specialty chemicals & ingredients manufacturer with eight manufacturing facilities set to global standards of safety and quality.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10Exact matchAhmedabad, IndiaHQ recorded Oct 11, 2026201-500379 contacts →

Exact match

“SynZeal Research is an independent research driven company specialized in the custom synthesis of pharmacopeial & non-pharmacopeial reference standards, drug gluconorides, drug…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11Exact matchNavi Mumbai, IndiaHQ recorded Oct 11, 2026501-1,000373 contacts →

Exact match

“Founded in 1992 by industry stalwart – Mr.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12Exact matchBangalore, IndiaHQ recorded Oct 11, 2026201-500370 contacts →

Exact match

“Scimplify is a science-first manufacturing company for Advanced Materials - from specialty chemicals to the emerging building blocks of next-generation energy applications, life…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13Exact matchNavi Mumbai, IndiaHQ recorded Oct 11, 2026n/a366 contacts →

Exact match

“has been servicing customers across the globe have synthesized more than 500 impurities as on date.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14Exact matchMumbai, IndiaHQ recorded Oct 11, 2026201-500363 contacts →

Exact match

“Inventys Research Company provides Exclusive Synthesis & CDMO services to innovators in Crop Protection, Specialty chemicals, and pharmaceutical industries.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15Exact matchSurat, IndiaHQ recorded Oct 11, 2026501-1,000362 contacts →

Exact match

“The business model of the India based Aether Industries Limited is to be a leading global manufacturer of fine and specialty chemicals and active ingredients, as well as a…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16Exact matchMumbai, IndiaHQ recorded Oct 11, 2026201-500346 contacts →

Exact match

“Incorporated in 1986, Embio Limited, a leading global player in the domain of controlled substances and chiral molecules manufactured through bio-transformation.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17Exact matchHyderabad, IndiaHQ recorded Oct 11, 2026501-1,000308 contacts →

Exact match

“LAXAI Life Sciences is a leading small molecule CRDMO providing end-to-end Integrated Drug Discovery, Development, and Manufacturing solutions to the pharmaceutical and biotech…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18Exact matchHyderabad, IndiaHQ recorded Oct 11, 2026201-500304 contacts →

Exact match

“Chemveda Life Sciences is a mid-sized, fast-growing solution provider to the pharmaceutical, biotechnology, academia, and agrochemical industries.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19Exact matchMumbai, IndiaHQ recorded Oct 11, 2026201-500279 contacts →

Exact match

“Clearsynth Labs Limited is a technology-oriented and research-driven enterprise with the World’s Largest Inventory of high-end research products.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20Exact matchMumbai, IndiaHQ recorded Oct 11, 20261,001-5,000270 contacts →

Exact match

“Sajjan India, a portfolio company of Sona Company Pt.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21Exact matchBangalore, IndiaHQ recorded Oct 11, 20261,001-5,000227 contacts →

Exact match

“Cropnosys is a crop protection molecule manufacturer that offers a full range of products and custom synthesis to the agrochemical industry.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22Exact matchHyderabad, IndiaHQ recorded Oct 11, 2026501-1,000214 contacts →

Exact match

“At PI Health Sciences, we provide fully integrated drug discovery solutions, combining synthetic and medicinal chemistry, biology, and AI-driven technologies.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23Exact matchChennai, IndiaHQ recorded Oct 11, 2026201-500211 contacts →

Exact match

“Nuray Chemicals Pvt Ltd is an API manufacturing Facility with state of art R&D located at Kakkalur Village in Thiruvallur district of Tamil Nadu, India.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24Exact matchHyderabad, IndiaHQ recorded Oct 11, 2026501-1,000209 contacts →

Exact match

“Avra Labs was established in the year 1995 and is among the first in India to focus on providing high-end contract research and manufacturing of advanced intermediates and APIs…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25Exact matchMumbai, IndiaHQ recorded Oct 11, 2026201-500182 contacts →

Exact match

“OC SPECIALITIES is an emerging specialty chemical company focusing on providing customized solutions based on innovative research to service Crop Science, Life Science and Fine…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase

Showing 25 of 428 custom synthesis manufacturers based in India

See the full list, filter by size, metro and specialty, and access 3,785 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Custom synthesis manufacturers based in India at a glance

As of Oct 11, 2026
13.8%Verified-email coverage
64.3Average contacts per company
11-50Median size (employees)
23.6%Largest-city concentration · Hyderabad
Oct 11, 2026Page data refreshed

Companies by employee count

1-10
112
11-50
158
51-200
84
201-500
34
501-1,000
18
1,001-5,000
16
5,001-10,000
3
10001+
1

Email recency for this list is measured worldwide rather than for India, so it is reported there. Company counts and contact totals on this page are exact for India, over 428 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 India whose business descriptions match “custom synthesis manufacturers” 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 3,785 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 11, 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 “custom synthesis manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many custom synthesis manufacturers are there based in India?

RevenueBase identified 428 company matches for custom synthesis manufacturers associated with India 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?

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

Which city has the most custom synthesis manufacturers?

Hyderabad leads with 101 company records, followed by Mumbai (43) and Ahmedabad (24).

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 3,785 professional contacts with verified work emails tracked across these 428 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 11, 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.