# 33 leading environmental services companies in Alberta
Tamtam tracks 33 environmental services companies headquartered in Alberta. This list ranks all of them by number of employees on LinkedIn, led by City of Calgary, Mullen Group Ltd. and Golder. Their median headcount is 508. Half of them were founded in 1974 or later. The most common headquarters are Calgary (13) and Edmonton (2).
The environmental services sector in Alberta is characterized by a mix of public service organizations and private companies. Notable entities include the City of Calgary, which focuses on public services, and EPCOR, a provider of essential utilities. Golder offers specialized consulting in earth, environment, and energy, while SECURE provides environmental waste management and oilfield services. CEDA is a significant provider of industrial maintenance and environmental services, and AGAT Laboratories offers analytical solutions across various industries.
Most of the larger organizations are based in Calgary, with other significant presences in Edmonton, Sherwood Park, and Fort McMurray. A common theme among many of these companies is their involvement in the oil and gas industry, either directly or through providing support services, alongside a strong representation of government administration entities.
๐จ๐ฆ Alberta ยท 33 companies ยท Updated Nov 12, 2026
| # | Company | Industry | Headquarters | Employees | Founded |
|---|---|---|---|---|---|
| 1 | [City of Calgary](https://www.tamtam.ai/c/city-of-calgary) (calgary.ca)
A public service organization in Calgary with a focus on making life better for residents through collaborative efforts and innovative practices | Government Administration | ๐จ๐ฆ Calgary | 10,653 | 1894 |
| 2 | [Mullen Group Ltd.](https://www.tamtam.ai/c/mullen-group-ltd)
Provides logistics across North America including warehousing, truckload, and specialized hauling. Also offers services for energy, mining, forestry, and construction industries in western Canada. | Transportation, Logistics, Supply Chain and Storage | ๐จ๐ฆ | 5,001 | 1949 |
| 3 | [Golder](https://www.tamtam.ai/c/golder) (wsp.com)
A global engineering and consulting organization offering specialized services in earth, environment, and energy sectors, driven by technical excellence and innovation | Environmental Services | ๐จ๐ฆ | 3,311 | 1960 |
| 4 | [EPCOR](https://www.tamtam.ai/c/epcor) (epcor.com)
Provider of essential services including clean water, electricity, drainage, and natural gas with a focus on sustainability and employee satisfaction | Utilities | ๐จ๐ฆ Edmonton | 2,738 | 1891 |
| 5 | [SECURE](https://www.tamtam.ai/c/secure-calgary) (secure.ca)
A Calgary-based company offers solutions in environmental waste management, energy infrastructure, and oilfield services, challenging industry norms with diverse customer-driven services | Oil and Gas | ๐จ๐ฆ Calgary | 1,521 | 2007 |
| 6 | [Strathcona County](https://www.tamtam.ai/c/strathcona-county) (strathcona.ca)
Striving for excellence in delivering quality of life and essential services to residents, promoting continuous learning and growth for employees | Government Administration | ๐จ๐ฆ Sherwood Park | 1,419 | |
| 7 | [CEDA](https://www.tamtam.ai/c/ceda-calgary) (ceda.com)
A leading provider of industrial maintenance, turnaround, and environmental services across North America for oil and gas, power, chemical, mining, and steel industries | Oil and Gas | ๐จ๐ฆ Calgary | 1,043 | 1973 |
| 8 | [AGAT Laboratories](https://www.tamtam.ai/c/agat-laboratories) (agatlabs.com)
Specialized Canadian provider of analytical solutions globally, offering accurate and timely services in various industries including environmental, mining, petroleum, and food testing | Professional Services | ๐จ๐ฆ Calgary | 1,034 | 1979 |
| 9 | [Regional Municipality of Wood Buffalo](https://www.tamtam.ai/c/regional-municipality-of-wood-buffalo) (rmwb.ca)
The Regional Municipality of Wood Buffalo celebrates cultural diversity and Indigenous history in a vast region full of opportunity for all | Government Administration | ๐จ๐ฆ Fort McMurray | 813 | 1995 |
| 10 | [City of Lethbridge](https://www.tamtam.ai/c/city-of-lethbridge) (lethbridge.ca)
Municipal government managing city operations, cultural venues, sports facilities, education institutions, and serving as a commercial and industrial center. | Government Administration | ๐จ๐ฆ Lethbridge | 805 | 1906 |
| 11 | [City of Red Deer](https://www.tamtam.ai/c/city-of-red-deer) (reddeer.ca)
City in central Alberta offering quality health and education facilities, along with beautiful parks, trails, and community amenities. | Government Administration | ๐จ๐ฆ Red Deer | 787 | |
| 12 | [City of Medicine Hat](https://www.tamtam.ai/c/city-of-medicine-hat) (medicinehat.ca)
City offering residents and visitors a safe, healthy environment with vibrant arts, recreation, and a welcoming community spirit. | Government Administration | ๐จ๐ฆ Medicine Hat | 735 | |
| 13 | [City of St. Albert](https://www.tamtam.ai/c/city-of-st-albert) (stalbert.ca)
Providing diverse, exceptional services to residents and businesses, fostering growth, collaboration, and a vibrant, accessible community environment. | Government Administration | ๐จ๐ฆ St. Albert | 643 | |
| 14 | [Tervita Corporation](https://www.tamtam.ai/c/tervita-corporation) (secure.ca)
An environmental and energy services company dedicated to creating a sustainable future through waste management, environmental services, and prioritizing safety | Environmental Services | ๐จ๐ฆ Calgary | 607 | |
| 15 | [ClearStream Energy Services Inc.](https://www.tamtam.ai/c/clearstream-energy-services-inc) (flintcorp.com)
Leading provider of maintenance, fabrication, construction, environmental services, and more to energy and industrial markets such as oil & gas and mining | Oil and Gas | ๐จ๐ฆ Calgary | 590 | 1967 |
| 16 | [Vertex Resource Group Ltd.](https://www.tamtam.ai/c/vertex-resource-group-ltd) (vertex.ca)
A leading provider of environmental services for various industries, offering expertise in site selection, consultation, regulatory approval, construction, operation, maintenance, and cleanup | Environmental Services | ๐จ๐ฆ Sherwood Park | 519 | 1962 |
| 17 | [City of Airdrie](https://www.tamtam.ai/c/city-of-airdrie) (airdrie.ca)
Local municipal government providing essential services to residents and businesses in a rapidly growing and vibrant community. | Government Administration | ๐จ๐ฆ Airdrie | 508 | |
| 18 | [City of Grande Prairie](https://www.tamtam.ai/c/city-of-grande-prairie) (cityofgp.com)
Providing programs, services, infrastructure, and facilities for a youthful, fast-growing community, fueled by regional opportunities and natural resources | Government Administration | ๐จ๐ฆ Grande Prairie | 445 | |
| 19 | [Morgan Construction and Environmental Ltd.](https://www.tamtam.ai/c/morgan-construction-and-environmental-ltd) (mcel.ca)
Civil construction and environmental projects company specializing in Oil & Gas, Mining, and Infrastructure projects in Western Canada, emphasizing safety, commitment, people, and quality | Construction | ๐จ๐ฆ Edmonton | 419 | |
| 20 | [Rocky View County](https://www.tamtam.ai/c/rocky-view-county) (rockyview.ca)
Delivering quality municipal services and fostering a thriving business community in an environment with competitive tax rates and a high quality of life | Government Administration | ๐จ๐ฆ Rocky View County | 374 | 1955 |
| 21 | [SITE Resource Group](https://www.tamtam.ai/c/site-resource-group) (siterg.com)
Integrated services contractor specializing in remote access, environmental and infrastructure construction in Western Canada, utilizing new technologies for successful, timely, and budget-friendly project completion | Construction | ๐จ๐ฆ Calgary | 336 | 2010 |
| 22 | [Hatfield](https://www.tamtam.ai/c/hatfield) (hatfieldgroup.com)
Provides environmental and social services for private and public sector clients globally, specializing in aquatic ecology, contaminant monitoring, and biodiversity assessments for sustainable solutions. | Environmental Services | ๐จ๐ฆ North Vancouver | 305 | 1974 |
| 23 | [Acden](https://www.tamtam.ai/c/acden) (acden.com)
Acden offers essential services for Alberta's Oil Sands, including fleet maintenance, waste management, metal fabrication, and engineering disciplines, as well as Indigenous enterprise support | Oil and Gas | ๐จ๐ฆ Fort McMurray | 273 | 1994 |
| 24 | [Electronic Recycling Association](https://www.tamtam.ai/c/electronic-recycling-association) (era.ca)
A non-profit organization addressing electronic waste and digital divide by reusing and redistributing unwanted computers to Canadian families and organizations | Environmental Services | ๐จ๐ฆ Calgary | 240 | 2004 |
| 25 | [Matrix Solutions Inc.](https://www.tamtam.ai/c/matrix-solutions-inc) (onterris.com)
A leading provider of environmental consulting and engineering services, delivering innovative solutions for infrastructure, energy, oil & gas, and mining sectors globally | Environmental Services | ๐จ๐ฆ Calgary | 221 | 1984 |
| 26 | [Town of Cochrane, Alberta](https://www.tamtam.ai/c/town-of-cochrane-alberta) (cochrane.ca)
This organization is the municipal authority for a modern community in southern Alberta, committed to preserving its Western heritage and promoting public service | Government Administration | ๐จ๐ฆ Cochrane | 217 | 1903 |
| 27 | [Mullen Group Ltd.](https://www.tamtam.ai/c/mullen-group-ltd-okotoks) (mullen-group.com)
Network of independent businesses offering transportation, warehousing, logistics, specialized hauling, and environmental services for various industries in Canada. | Transportation, Logistics, Supply Chain and Storage | ๐จ๐ฆ Okotoks | 92 | 1949 |
| 28 | [Ecofitt Corp](https://www.tamtam.ai/c/ecofitt-corp) (ecofitt.ca)
A leading provider of clean energy solutions, specializing in distributing high-efficiency water and energy conservation products and developing complete conservation solutions | Environmental Services | ๐จ๐ฆ Calgary | 43 | 2005 |
| 29 | [Whitecourt Transport Inc](https://www.tamtam.ai/c/whitecourt-transport-inc) (whitecourttransport.com)
Third generation family business specializing in dry bulk, LTL, TL freight, heavy equipment contracting, logistics, construction, and environmental services. | Truck Transportation | ๐จ๐ฆ Whitecourt | 31 | 1946 |
| 30 | [Questor Technology](https://www.tamtam.ai/c/questor-technology) (questortech.com)
A global leader in clean air technology, specializing in reducing pollution emissions, maximizing data, and increasing energy efficiency with eco-friendly solutions | Environmental Services | ๐จ๐ฆ Calgary | 30 | 1995 |
| 31 | [Catapult Environmental](https://www.tamtam.ai/c/catapult-environmental) (catapultenv.com)
Transforming the energy industry with sustainable solutions, exceptional client service, and a focus on safety Specializing in midstream facilities and environmental challenges | Waste Treatment and Disposal | ๐จ๐ฆ Calgary | 20 | 2014 |
| 32 | [Motus Solutions](https://www.tamtam.ai/c/motus-solutions) (gomotus.ca)
Innovative and sustainable solutions for the energy industry, including cement return bins, waste management, and oilfield transport and logistics services | Oil and Gas | ๐จ๐ฆ Beiseker | 10 | 2004 |
| 33 | [Karis Energy Services](https://www.tamtam.ai/c/karis-energy-services) (karisenergy.com)
A Canadian environmental management and energy services company providing innovative and sustainable solutions for projects worldwide, with a focus on client needs and regulatory compliance | Oil and Gas | ๐จ๐ฆ Calgary | 5 | 2013 |
## 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.
## More company lists in Alberta
- [The largest companies in Alberta](https://www.tamtam.ai/l/largest-companies-alberta) (1,391)
- [Oil and Gas companies in Alberta](https://www.tamtam.ai/l/oil-and-gas-companies-alberta) (314)
- [Energy companies in Alberta](https://www.tamtam.ai/l/energy-companies-alberta) (267)
- [Multinational companies in Alberta](https://www.tamtam.ai/l/multinational-companies-alberta) (240)
- [Critical infrastructure operators in Alberta](https://www.tamtam.ai/l/critical-infrastructure-operators-alberta) (124)
- [Manufacturers in Alberta](https://www.tamtam.ai/l/manufacturers-alberta) (113)
- [Retail chains in Alberta](https://www.tamtam.ai/l/retail-chains-alberta) (101)
- [Construction companies in Alberta](https://www.tamtam.ai/l/construction-companies-alberta) (83)
- [Professional services firms in Alberta](https://www.tamtam.ai/l/professional-services-firms-alberta) (81)
- [Hardware manufacturers in Alberta](https://www.tamtam.ai/l/hardware-companies-alberta) (76)
- [Logistics companies in Alberta](https://www.tamtam.ai/l/logistics-companies-alberta) (76)
- [Companies with in-house R&D in Alberta](https://www.tamtam.ai/l/r-and-d-companies-alberta) (74)
- [Public sector organisations in Alberta](https://www.tamtam.ai/l/public-sector-organisations-alberta) (71)
- [Publicly traded companies in Alberta](https://www.tamtam.ai/l/publicly-traded-companies-alberta) (68)
- [Education providers in Alberta](https://www.tamtam.ai/l/education-companies-alberta) (64)
- [Financial services firms in Alberta](https://www.tamtam.ai/l/financial-services-firms-alberta) (57)
- [Truck Transportation companies in Alberta](https://www.tamtam.ai/l/truck-transportation-companies-alberta) (55)
- [Consulting firms in Alberta](https://www.tamtam.ai/l/consulting-firms-alberta) (54)
- [SaaS companies in Alberta](https://www.tamtam.ai/l/saas-companies-alberta) (54)
- [Distributors and wholesalers in Alberta](https://www.tamtam.ai/l/distributors-and-wholesalers-alberta) (53)
- [Corporate groups and holding companies in Alberta](https://www.tamtam.ai/l/holding-companies-alberta) (50)
- [IT Services and IT Consulting companies in Alberta](https://www.tamtam.ai/l/it-services-and-it-consulting-companies-alberta) (47)
- [Software Development companies in Alberta](https://www.tamtam.ai/l/software-development-companies-alberta) (45)
- [Healthcare providers in Alberta](https://www.tamtam.ai/l/healthcare-providers-alberta) (41)
## The same list elsewhere in Canada
- [Environmental services companies in Ontario](https://www.tamtam.ai/l/environmental-services-companies-ontario-canada) (71)
- [Environmental services companies in the province of Quebec](https://www.tamtam.ai/l/environmental-services-companies-province-of-quebec) (36)
- [Environmental services companies in British Columbia](https://www.tamtam.ai/l/environmental-services-companies-british-columbia) (26)
## The same list elsewhere
- [Environmental services companies in the world](https://www.tamtam.ai/l/environmental-services-companies-in-the-world) (4,213)
- [Environmental services companies in North America](https://www.tamtam.ai/l/environmental-services-companies-in-north-america) (1,043)
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Source: https://www.tamtam.ai/l/environmental-services-companies-alberta