| # | Company | Employees |
|---|---|---|
| 1 |
Ontario Government | Gouvernement de l’Ontarioontario.ca
Provide objective advice to ministers, implement government policies, and deliver public services with integrity and accountability in Ontario. |
37,563 |
| 2 |
Government of Albertaalberta.ca
Provides diverse employment opportunities across Alberta, fostering career growth and contributing to building a stronger province for residents. |
20,217 |
| 3 |
City of Calgarycalgary.ca
A public service organization in Calgary with a focus on making life better for residents through collaborative efforts and innovative practices |
10,653 |
| 4 |
City of Edmontonrecruitment.edmonton.ca
A young and ambitious company in Edmonton, focusing on building a resilient and diverse economy while prioritizing environmental sustainability and community safety |
7,218 |
| 5 |
Immigration, Refugees and Citizenship Canada / Immigration, Réfugiés et Citoyenneté Canadacanada.ca
Facilitates immigrant arrival, protects refugees, helps newcomers settle, grants citizenship, issues passports, promotes multiculturalism. No verb. Specific, down to earth. |
7,149 |
| 6 |
Federal Government of Canadaonlinecareer360.com
The company provides independent advice on conservation and environmental sustainability of Pacific salmon stocks and their habitats to government officials and the public |
4,253 |
| 7 |
Ontario Ministry of Transportation/ Ministère des Transports de l’Ontarioontario.ca
Planning and investing in transportation infrastructure, promoting road safety, supporting economic competitiveness, and integrating sustainability in government operations. |
3,538 |
| 8 |
Government of Prince Edward Islandprinceedwardisland.ca
The company promotes Prince Edward Island as a desirable location to work and live, showcasing its benefits and career opportunities |
3,041 |
| 9 |
Immigration and Refugee Board of Canada | Commission de l'immigration et du statut de réfugiéirb.gc.ca
Independent tribunal resolving immigration and refugee cases fairly and efficiently, impacting individuals' lives and Canada's security and diversity. |
1,576 |
| 10 |
Strathcona Countystrathcona.ca
Striving for excellence in delivering quality of life and essential services to residents, promoting continuous learning and growth for employees |
1,419 |
| 11 | 990 | |
| 12 |
Agence de la santé et des services sociaux des Laurentidesqc.ca
The CCSSSBJ is a Cree entity managing health and social services for residents in the Baie James region, focusing on well-being needs |
861 |
| 13 |
Regional Municipality of Wood Buffalormwb.ca
The Regional Municipality of Wood Buffalo celebrates cultural diversity and Indigenous history in a vast region full of opportunity for all |
813 |
| 14 |
City of Lethbridgelethbridge.ca
Municipal government managing city operations, cultural venues, sports facilities, education institutions, and serving as a commercial and industrial center. |
805 |
| 15 |
City of Red Deerreddeer.ca
City in central Alberta offering quality health and education facilities, along with beautiful parks, trails, and community amenities. |
787 |
| 16 |
City of Medicine Hatmedicinehat.ca
City offering residents and visitors a safe, healthy environment with vibrant arts, recreation, and a welcoming community spirit. |
735 |
| 17 |
City of St. Albertstalbert.ca
Providing diverse, exceptional services to residents and businesses, fostering growth, collaboration, and a vibrant, accessible community environment. |
643 |
| 18 |
Canada Energy Regulator | Régie de l’énergie du Canadalinktr.ee
We oversee the movement of energy in Canada, ensuring safety and working in the public interest by regulating oil, gas, and electrical companies |
559 |
| 19 |
City of Airdrieairdrie.ca
Local municipal government providing essential services to residents and businesses in a rapidly growing and vibrant community. |
508 |
| 20 |
Indigenous and Northern Affairs Canadagc.ca
Supporting Indigenous and Northern communities in improving social well-being, economic prosperity, and sustainable development, while fostering participation in Canada's growth and development |
470 |
| 21 |
City of Grande Prairiecityofgp.com
Providing programs, services, infrastructure, and facilities for a youthful, fast-growing community, fueled by regional opportunities and natural resources |
445 |
| 22 |
Rocky View Countyrockyview.ca
Delivering quality municipal services and fostering a thriving business community in an environment with competitive tax rates and a high quality of life |
374 |
| 23 |
Parkland Countyparklandcounty.com
Large rural municipality offering prime market access, transportation infrastructure, and support for agri-processing, manufacturing, transportation, and data-center businesses. |
366 |
| 24 |
Ontario Ministry of Community and Social Servicesontario.ca
Supporting Ontario's vulnerable citizens with programs and services for strong communities, promoting inclusivity, resilience, and opportunities for all citizens to succeed and participate |
364 |
| 25 |
Prairies Economic Development Canada I Développement économique Canada pour les Prairiescanada.ca
Leading economic development department in the Canadian Prairies, focusing on diversifying the economy, supporting businesses, promoting innovation, and fostering community economic development |
360 |
| 26 |
National Energy Boardgc.ca
Canada's national energy regulator overseeing safety for energy infrastructure projects, engaging with communities, and leading in regulatory excellence for a safer future |
353 |
| 27 |
Ontario Ministry of Economic Development and Growthontario.ca
Supporting a strong, innovative economy by delivering programs, services, and tools to help businesses innovate, compete, and attract investments in Ontario |
272 |
| 28 |
City of Spruce Grovesprucegrove.org
Vibrant mid-size city in Alberta with strong population growth, diverse industries, thriving housing market, and investment opportunities Ideal community for living and business |
266 |
| 29 |
Alberta Pensions Services Corporation (APS)apsc.ca
Pension services provider managing funds and administrative services for public sector pension plans in Alberta with over 400,000 members |
261 |
| 30 |
Town of Cochrane, Albertacochrane.ca
This organization is the municipal authority for a modern community in southern Alberta, committed to preserving its Western heritage and promoting public service |
217 |
| 31 |
Canadian Digital Service (CDS) / Service numérique canadien (SNC)digital.canada.ca
A team of digital experts focused on simplifying government services, using proven technologies and diverse talent to build user-friendly solutions |
169 |
| 32 |
City of Wetaskiwinwetaskiwin.ca
Located in Alberta, Canada, this organization serves a population of 12,500 people and offers attractions like museums and the renowned 'Automile' |
167 |
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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 24, 2026.
More company lists in Alberta
- The largest companies in Alberta 1,133
- Oil and Gas companies in Alberta 273
- Energy companies in Alberta 213
- Critical infrastructure operators in Alberta 94
- Construction companies in Alberta 75
- Retail chains in Alberta 65
- Public sector organisations in Alberta 52
- SaaS companies in Alberta 44
- Financial services firms in Alberta 43
- Manufacturers in Alberta 43
- Logistics companies in Alberta 36
- Publicly traded companies in Alberta 34
- Education providers in Alberta 33
- Financial Services companies in Alberta 33
- Software Development companies in Alberta 33
- Truck Transportation companies in Alberta 32
- Higher Education companies in Alberta 28
- IT Services and IT Consulting companies in Alberta 27
- Distributors and wholesalers in Alberta 27
- Transportation, Logistics, Supply Chain and Storage companies in Alberta 26
- Utilities companies in Alberta 26
- Hardware manufacturers in Alberta 25
The same list elsewhere in Canada
- Government Administration companies in Canada 324
- Government Administration companies in Ontario 128
- Government Administration companies in the province of Quebec 83
- Government Administration companies in British Columbia 48
- Government Administration companies in Quebec City 33
- Government Administration companies in Ottawa 30