Company lists · Data refreshed October 2026

Top 25 Complex molecule manufacturers based in Canada

Name: Complex molecule manufacturers based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 10, 2026 94 companies tracked

RevenueBase identified 94 company matches for complex molecule manufacturers associated with Canada as of October 2026 and tracks 5,475 professional contacts across them, including 3,005 with verified work emails. Montreal is the largest hub.

This list covers company matches for complex molecule manufacturers associated with Canada, 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 10, 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 10, 2026 How this list was built

94Companies

5,475Contacts tracked

3,005Verified emails

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The 25 largest complex molecule manufacturers based in Canada

Ranked by team size

Top 25 of 94 company matches for complex molecule manufacturers based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 10, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Altasciences	Exact match	Laval, QC, CanadaHQ recorded Oct 10, 2026	1,001-5,000	1,781 contacts →
	Exact match “Outsourcing made easy with a one-stop solution to early-phase drug development.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
2	Apotex Pharmachem INC	Exact match	Brantford, CanadaHQ recorded Oct 10, 2026	201-500	550 contacts →
	Exact match “Apotex Pharmachem is a global fully integrated API R&D and manufacturing organization with its headquarters located in Brantford, Ontario, Canada and is a member of the Apotex…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
3	Biovectra	Exact match	Charlottetown, PE, CanadaHQ recorded Oct 10, 2026	501-1,000	529 contacts →
	Exact match “Expertise in both microbial fermentation and chemical synthesis allows us to tackle today’s development pipeline’s increasingly complex molecules.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
4	Medisca	Exact match	Montreal, QC, CanadaHQ recorded Oct 10, 2026	201-500	424 contacts →
	Exact match “Medisca® is a trusted global partner in pharmaceutical compounding with over 35 years of experience serving pharmacies, 503B outsourcing facilities, health systems, hospitals…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
5	Paraza Pharma INC	Exact match	Montreal, QC, CanadaHQ recorded Oct 10, 2026	201-500	252 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
6	Eurofins Cdmo Alphora	Exact match	Mississauga, ON, CanadaHQ recorded Oct 10, 2026	201-500	201 contacts →
	Exact match “Eurofins CDMO Alphora Inc.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
7	Toronto Research Chemicals	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	201-500	193 contacts →
	Exact match “Toronto Research Chemicals, TRC, was founded in 1982 by Dr.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
8	Dalton Pharma Services	Exact match	Toronto, ON, CanadaHQ recorded Oct 10, 2026	51-200	173 contacts →
	Exact match “Dalton is a contract pharmaceutical manufacturer which provides integrated chemistry, development, and manufacturing to biotechnology and pharmaceutical clients around the world.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
9	Kingston Process Metallurgy Inc. KPM	Exact match	Kingston, ON, CanadaHQ recorded Oct 10, 2026	51-200	128 contacts →
	Exact match “Kingston Process Metallurgy Inc.(KPM) is an integrated contract chemical process development company.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
10	Kabs Laboratories INC	Exact match	Saint-hubert, QC, CanadaHQ recorded Oct 10, 2026	51-200	104 contacts →
	Exact match “Since 1997, KABS has offered a broad range of product development services to the bio-pharmaceutical industry, worldwide.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
11	Therapure Biopharma INC	Exact match	Mississauga, ON, CanadaHQ recorded Oct 10, 2026	201-500	101 contacts →
	Exact match “Therapure is an integrated Contract Development and Manufacturing Organization (CDMO) that helps develop and manufacture therapeutic proteins for biopharmaceutical companies of…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
12	Halo Pharmaceutical Canada	Exact match	Mirabel, QC, CanadaHQ recorded Oct 10, 2026	201-500	58 contacts →
	Exact match “Noramco acquires the Cambrex Drug Product Business Unit previously known as Halo Pharmaceuticals.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
13	Bioharvest Sciences	Exact match	Vancouver, BC, CanadaHQ recorded Oct 10, 2026	51-200	56 contacts →
	Exact match “BioHarvest Sciences Inc.(Nasdaq: BHST) is a public biotech company that has developed a patented Botanical Synthesis platform technology capable of growing the active and…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
14	Dalriada Drug Discovery	Exact match	Mississauga, ON, CanadaHQ recorded Oct 10, 2026	51-200	55 contacts →
	Exact match “Dalriada is a small molecule drug discovery company supporting global innovators through its TURN-KEY™ model, where R&D is perfectly aligned with business and IP.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
15	Signalchem Biotech INC	Exact match	Richmond, BC, CanadaHQ recorded Oct 10, 2026	11-50	54 contacts →
	Exact match “SignalChem is now a part of Sino Biological.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
16	Corealis Pharma INC	Exact match	Laval, QC, CanadaHQ recorded Oct 10, 2026	51-200	49 contacts →
	Exact match “Be Clinic Ready!” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
17	Laboratoire Riva INC	Exact match	Blainville, QC, CanadaHQ recorded Oct 10, 2026	51-200	39 contacts →
	Exact match “Fondée il y a plus de 30 ans, l’entreprise québécoise est depuis longtemps un chef de file dans la production de molécules génériques.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
18	Solid State Pharma	Exact match	Halifax, NS, CanadaHQ recorded Oct 10, 2026	11-50	37 contacts →
	Exact match “Solid State Pharma is a pharmaceutical research company and leader in the delivery of crystallization engineering and solid-state science services.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
19	Delmar Chemicals, Inc. Minakem	Exact match	Lasalle, QC, CanadaHQ recorded Oct 10, 2026	51-200	32 contacts →
	Exact match “Delmar offers a complete line of R&D and custom synthesis services performed according to cGMP guidelines.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
20	Canam Bioresearch INC	Exact match	Winnipeg, MB, CanadaHQ recorded Oct 10, 2026	11-50	29 contacts →
	Exact match “CanAm Bioresearch is a well-established North American based medicinal chemistry Contract Research Organization (CRO) with more than 20 years of experience in drug discovery.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
21	chemical.ai	Exact match	Toronto, CanadaHQ recorded Oct 10, 2026	51-200	28 contacts →
	Exact match “Founded in 2018, Chemical.AI leads the innovation in chemical synthesis through AI and automation.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
22	TLC Pharmaceutical Standards LTD	Exact match	Newmarket, ON, CanadaHQ recorded Oct 10, 2026	201-500	27 contacts →
	Exact match “TLC Pharmaceutical Standards Ltd, established in 2007, is a leading provider of custom-synthesized drug impurities, metabolites, stable isotope labeled compounds, Glucuronides…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
23	GL Chemtec International LTD	Exact match	Oakville, ON, CanadaHQ recorded Oct 10, 2026	11-50	25 contacts →
	Exact match “GL CHEMTEC is a GMP compliant, ISO 13485:2016 and ISO 9001:2015 certified CDMO specializing in drug discovery, scale-up and manufacturing.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
24	TC Scientific INC	Exact match	Edmonton, AB, CanadaHQ recorded Oct 10, 2026	11-50	23 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
25	Candoo Pharmatech Company INC	Exact match	Mississauga, ON, CanadaHQ recorded Oct 10, 2026	51-200	23 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “complex molecule manufacturers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 94 complex molecule manufacturers based in Canada

See the full list, filter by size, metro and specialty, and access 3,005 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Complex molecule manufacturers based in Canada at a glance

As of Oct 10, 2026

54.9%Verified-email coverage

58.2Average contacts per company

11-50Median size (employees)

12.8%Largest-city concentration · Montreal

Oct 10, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 94 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 Canada whose business descriptions match “complex molecule 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 3,005 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 10, 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 “complex molecule manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many complex molecule manufacturers are there based in Canada?

RevenueBase identified 94 company matches for complex molecule manufacturers associated with Canada 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?

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

Which city has the most complex molecule manufacturers?

Montreal leads with 12 company records, followed by Toronto (11) and Mississauga (10).

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 3,005 professional contacts with verified work emails tracked across these 94 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 10, 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.