| # | Company | Employees |
|---|---|---|
| 1 |
YMCA of Greater Torontoymcagta.org
Promoting equity and well-being in the GTA through diverse programs and services, fostering community engagement and support for individuals of all backgrounds |
2,973 |
| 2 |
YMCA Canadaymca.ca
Charity supporting 39 YMCA associations across Canada, fostering community development, collaboration, advocacy, and promoting healthy, inclusive environments. |
2,366 |
| 3 |
The Salvation Army in Canadasalvationarmy.ca
An international Christian organization providing social services, shelter, and rehabilitation to vulnerable individuals in Canada and worldwide |
1,665 |
| 4 |
Mastercard Foundationmastercardfdn.org
This organization works to advance learning and financial inclusion for those in poverty, focusing on youth in Africa and Indigenous communities in Canada |
1,309 |
| 5 |
Canadian Cancer Societycancer.ca
The company is dedicated to inspiring a society to unite in the fight against cancer, bringing together individuals to make a profound impact |
1,309 |
| 6 |
March of Dimes Canadamarchofdimes.ca
The company is dedicated to helping children and adults across Canada lead more independent lives through fundraising efforts and support programs |
1,147 |
| 7 |
Heart & Strokeheartandstroke.ca
A leading organization tackling heart disease, stroke, and cognitive impairment through funding research, driving medical breakthroughs, and providing support for Canadians |
1,016 |
| 8 |
Right To Playrighttoplayusa.org
Promoting play-based learning to empower and protect children worldwide, transforming lives through education programs in over 18 countries |
892 |
| 9 | 848 | |
| 10 |
Canadian Federation of Independent Businesscfib-fcei.ca
Advocates for over 97,000 independent business owners in Canada, providing expert advice, government representation, and exclusive savings programs |
574 |
| 11 |
Doctors Without Borders/Médecins Sans Frontières (MSF) Canadadoctorswithoutborders.ca
International humanitarian organization delivering emergency medical aid to those in need worldwide, regardless of race, religion, or political affiliation, through medical and non-medical staff in over 60 countries |
560 |
| 12 |
Diabetes Canadadiabetes.ca
This organization, formerly the Canadian Diabetes Association, is now Diabetes Canada and aims to raise awareness, support individuals with diabetes, and ultimately find a cure |
557 |
| 13 |
Nature Conservancy of Canada/Conservation de la nature Canadanatureconservancy.ca
Leading land conservation organization in Canada, dedicated to protecting natural areas Website: wwwnatureconservancyca |
531 |
| 14 |
Ontario Medical Associationoma.org
A professional association representing over 40,000 physicians and medical students in Ontario, advocating for healthcare policy and promoting healthy living practices |
521 |
| 15 | 518 | |
| 16 |
BGC Canadabgccan.com
A leading charitable organization in Canada, providing opportunities and support for children and teens through a wide range of programs and services nationwide |
464 |
| 17 |
Fred Victorfredvictor.org
A charitable organization in Toronto providing affordable housing, shelter, food, job training, and support programs to people experiencing poverty and homelessness |
462 |
| 18 |
Futurpreneurfuturpreneur.ca
A national non-profit organization providing financing, mentoring, and resources to support young entrepreneurs aged 18-39 in launching and growing businesses |
385 |
| 19 |
IAM Union Canadaiamaw.ca
A large industrial trade union in North America representing over 700,000 members, with contracts in transportation, woodworking, aerospace, manufacturing, and defense industries |
384 |
| 20 |
Raising The Villageraisingthevillage.org
A Canadian organization partners with remote villages in Sub-Saharan Africa, focusing on healthcare, water, agriculture, education, and community development to alleviate extreme poverty |
365 |
| 21 | 365 | |
| 22 |
ACCES Employmentaccesemployment.ca
A leading organization connecting employers with diverse talent, providing employment services to individuals facing barriers, and aiming for a fully inclusive Canadian labor force |
347 |
| 23 |
GS1 Canadags1ca.org
Global standards organization revolutionizing business communication with barcodes, collaborating with industry leaders to develop standards and provide education and implementation support |
327 |
| 24 |
The Princess Margaret Cancer Foundationthepmcf.ca
Leader in cancer research fundraising with over $1 billion raised for Princess Margaret Cancer Centre, pioneering innovative fundraising initiatives and events |
325 |
| 25 |
Professional Engineers Ontariopeo.on.ca
Regulating over 91,000 engineers, granting licenses, setting standards, and protecting public interest in engineering practice in Ontario |
318 |
| 26 |
United Way Greater Torontounitedwaygt.org
United Way Greater Toronto addresses issues like youth unemployment and poverty by investing in people and creating new possibilities for change in local communities |
312 |
| 27 |
SheEOβ’coralus.world
Transforming systems by redistributing capital to women and non-binary innovators, fostering equity, decolonization, and racial justice while supporting marginalized entrepreneurs worldwide |
307 |
| 28 |
Ontario Nurses'β Associationona.org
Advocating for nurses and healthcare professionals in Ontario to ensure safe workplaces, equitable healthcare, and the rights of members are upheld |
302 |
| 29 |
Mount Pleasant Grouplinktr.ee
Providing cemetery, funeral, and cremation services in the GTA for over 2 centuries, with a focus on innovation, customer choice, and beautiful, historical environments |
290 |
| 30 |
Covenant House Torontocovenanthousetoronto.ca
A leading organization providing comprehensive support to homeless and at-risk youth through housing, healthcare, education, and skill development with donor support |
272 |
| 31 |
UJA Federation of Greater Torontojewishtoronto.com
A fundraising organization in Toronto supporting the local and overseas Jewish community through programs, services, and financial contributions |
267 |
| 32 |
Dixon Halldixonhall.org
A multi-service agency in east downtown Toronto providing supportive programs, services, and employment assistance to diverse community members for over 85 years |
255 |
| 33 |
MS Canadamscanada.ca
Working since 1948 to improve the lives of Canadians affected by multiple sclerosis through funding treatment, support programs, and community engagement |
255 |
| 34 |
Make-A-Wish Canadamakeawish.ca
A leading organization granting life-changing wishes to children with critical illnesses, helping them build strength to fight their illness |
249 |
| 35 | 236 | |
| 36 | 185 | |
| 37 |
Elevateelevate.ca
A Canadian non-profit uniting innovators through technology, arts, and social innovation, hosting events and incubator programs with global icons and thought leaders |
179 |
| 38 |
JA Canadajacanada.org
The company inspires and prepares young people in Canada through hands-on learning experiences in work readiness, financial health, and entrepreneurship |
178 |
| 39 |
Vision Loss Rehabilitation Canadavisionlossrehab.ca
Health services organization providing training for individuals with vision loss, focusing on developing daily living skills for independence, safety, and mobility |
174 |
| 40 |
Ontario Trillium Foundationotf.ca
This organization builds healthy communities by bringing innovative ideas to life, creating spaces for connections, and supporting initiatives to scale up |
174 |
| 41 |
Restaurants Canadarestaurantscanada.org
A national trade association advancing Canada's foodservice industry through programs, research, advocacy, resources, and events for its diverse members |
173 |
| 42 |
CENTRE FRANCOPHONE DU GRAND TORONTOcentrefranco.org
Supports development and services for the diverse French-speaking community in the Toronto area, with a focus on accessibility and partnership |
173 |
| 43 |
The 519the519.org
A Toronto-based organization promoting 2SLGBTQ+ equality through service, creating inclusive spaces, and demonstrating leadership for societal change since 1975 |
171 |
| 44 |
Safehavensafehaven.to
A not-for-profit organization providing high-quality residential and respite care for individuals with complex care needs, enriching lives through community programs |
162 |
| 45 |
Habitat for Humanity GTAhabitatgta.ca
Nonprofit organization building affordable homes for working families in Greater Toronto Area, empowering them through no-interest mortgages and volunteer work |
161 |
| 46 |
Touchstone Institutetouchstoneinstitute.ca
Non-profit providing evaluation and curriculum services to enhance professional competence in the Canadian workforce, promoting public confidence and successful transitions |
160 |
| 47 |
hjchjcnewmedia.com
This company provides leadership to nonprofit organizations in leveraging new technologies for marketing, fundraising, advocacy, and branding, with a creative and diverse team |
158 |
| 48 |
Vita Mens Sanavitacls.org
A not-for-profit agency providing specialized services for adults with developmental disabilities and mental health challenges, promoting independence and personal growth |
154 |
| 49 |
Canadian Marketing Associationthecma.ca
The organization promotes marketing growth, education, and thought leadership, championing the Chartered Marketer designation and advocating for self-regulatory standards in Canada |
154 |
| 50 |
Toronto Humane Societytorontohumanesociety.com
The company promotes animal welfare and aims to create a compassionate society where all animals are respected and valued |
153 |
| 51 |
Jays Care Foundationjayscare.com
This company uses baseball to create social change for Canadian children by providing opportunities to play, safety, and support for youth organizations |
153 |
| 52 |
FP Canadafpcanada.ca
National professional body championing financial wellness by certifying financial planners, advancing professional financial planning, and promoting a great workplace culture |
150 |
| 53 |
Girls E-Mentorship (GEM)girlsementorship.com
Non-profit organization offering mentorship programs for high school girls from underprivileged backgrounds to develop professional skills and reach their education and career goals |
148 |
| 54 |
George Brown College Foundationgeorgebrown.ca
A charitable foundation that raises funds to support student success at a college by providing scholarships, bursaries, and awards |
25 |
| 55 |
Lean In Canadaleanincanada.com
A community of professional women supporting each other in creating purposeful and fulfilling careers through empowerment and collaboration |
16 |
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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 Oct 10, 2026.
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