The Research Services companies in Ontario shown here are mostly mid-sized to large organizations, with a strong presence of institutions focused on health and scientific advancement. For example, the National Research Council Canada is a large government research organization supporting innovation, while Canadian Nuclear Laboratories specializes in nuclear science and technology. ICES is a non-profit using health data for policy, and RBC Borealis is a research center focused on advancing machine learning.
A notable pattern among these companies is the concentration of headquarters in major urban centers. Toronto hosts several key players, including Vector Institute, dedicated to AI research, and the Ontario Institute for Cancer Research. Ottawa also features prominently with institutions such as CHEO Research Institute and The Conference Board of Canada, which specializes in economic trends and public policy.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
National Research Council Canada / Conseil national de recherches Canadanrc.canada.ca
Largest government research organization supporting innovation, helping SMEs scale, connecting Canadian innovators with advanced R&D capabilities, fostering partnerships. |
4,732 | |||
| 2 |
Canadian Nuclear Laboratoriescnl.ca
A leading organization in nuclear science and technology, specializing in research, development, engineering, waste management, and decommissioning services for various applications |
2,340 | |||
| 3 |
DECIEM | THE ABNORMAL BEAUTY COMPANYdeciem.com
A beauty brand umbrella offering high-quality, transparent skincare products, founded by a disrupter aiming to redefine beauty industry standards |
1,311 | |||
| 4 |
Vector Institutevectorinstitute.ai
A non-profit organization dedicated to AI research, specializing in machine and deep learning Collaborates with various entities to advance AI adoption and commercialization |
603 | |||
| 5 |
ICESices.on.ca
Non-profit organization using population-based health data to produce unbiased knowledge for improving health care policy and decision-making |
437 | |||
| 6 |
CHEO Research Institutecheoresearch.ca
The research institute strives to bring life-changing discoveries for children and youth through exceptional talent and technology, promoting trust and equity |
417 | |||
| 7 |
RBC Borealisrbcborealis.com
A research center focused on advancing machine learning through collaboration, open academic research, and ethical AI solutions for diverse fields |
387 | |||
| 8 |
PHRI Population Health Research Institutephri.ca
Leader in global health research, conducting clinical trials and population health studies worldwide with a focus on cardiovascular disease, diabetes, and more |
352 | |||
| 9 |
Ontario Institute for Cancer Researchoicr.on.ca
A collaborative research institute focused on accelerating cancer discoveries, improving patient outcomes, and maximizing economic benefits in Ontario and worldwide |
344 | |||
| 10 |
BioPharma Services Inc.biopharmaservices.com
A full-service CRO specializing in Phase I/IIa, Bioequivalence, Human Abuse Liability, PET Imaging, and Psychedelic Studies with expertise in clinical and bioanalytical services |
295 | |||
| 11 |
Robarts Research Instituterobarts.ca
A leading non-profit medical research institute focused on investigating debilitating diseases through advanced medical imaging and interdisciplinary research collaborations |
233 | |||
| 12 |
The Conference Board of Canadaconferenceboard.ca
A leading Canadian research organization specializing in economic trends, public policy, and organizational performance, providing objective insights and leadership development services |
212 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 13 |
Institute for Quantum Computinguwaterloo.ca
A leading research center focused on advancing quantum information science and technology through interdisciplinary collaboration at a global level |
174 | |||
| 14 |
Centre for International Governance Innovation (CIGI)cigionline.org
Independent think tank focused on innovative policy making at the intersection of technology and international governance to improve lives globally. |
168 | |||
| 15 |
Krembil Brain Institutelinktr.ee
A research institute focusing on brain, spine, bone, joint, and eye disorders, aiming to become a top global research institute |
158 | |||
| 16 |
Revved Upskhs.queensu.ca
The company provides community-based exercise programs for individuals with disabilities and chronic illnesses, while also training health professionals and promoting evidence-based practices |
67 | |||
| 17 |
Centre for Urban Energy at Toronto Metropolitan University
An academic-industry partnership focusing on urban energy solutions like clean technologies, energy policy, storage, electric vehicles, smart grids, and smart homes |
21 | |||
| 18 |
Centre for Health Innovationqueensu.ca
A diverse team of experts working together to address complex health challenges through interdisciplinary research, innovative platforms, and community partnerships |
15 | |||
| 19 |
aggregate intellectai.science
Offering fractional generative AI labs for seamless integration of AI into sales workflows, empowering industries with on-demand AI expertise |
14 | |||
| 20 |
Equity in Health Systemseqhs.ca
A diverse community focused on enhancing healthcare experiences for marginalized populations through interdisciplinary research, clinical work, and collaboration with various partners |
10 | |||
| 21 |
YOURIKA AIyourika.ai
Leading AI research and development company, using AI for good to empower impact markets through innovative solutions and AI-enabled products like Smart'n and NurseGPT |
9 | |||
| 22 |
uOttawa Centre for Health Law, Policy and Ethicsottawahealthlaw.ca
Interdisciplinary hub translating health science breakthroughs into actionable policies and practices while addressing legal and ethical challenges for public benefit |
6 | |||
| 23 |
Research Lake Innovation Labs Private Limitedresearchlake.org
A platform connecting top researchers, professors, and executives to build a research community and provide strategic direction in medicine and technology |
4 | |||
| 24 |
Universal Quantum Devices Inc. (UQDevices)uqdevices.com
Specializing in quantum technologies, this company based in Waterloo, Ontario offers solutions for quantum cryptography, photon correlation experiments, and real-world applications in space |
3 | |||
| 25 |
Tesla Research and Innovation Centreweebly.com
A non-profit organization dedicated to fostering global collaboration in science and engineering in power generation, distribution, storage, environmental science, and social development |
2 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
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