| # | Company | Employees |
|---|---|---|
| 1 |
Enerflex Ltd.enerflex.com
Global provider of energy infrastructure and transition solutions, specializing in natural gas, low-carbon, and water treatment solutions for a sustainable future |
3,578 |
| 2 |
Precision Drillingprecisiondrilling.com
A leading provider of safe and high-performance services to the oil and gas industry, offering drilling rigs, technology solutions, environmental stewardship, and support services |
2,802 |
| 3 |
De Havilland Aircraft of Canada Limiteddehavilland.com
Design and manufacture of versatile, dependable aircraft including the advanced Dash 8 turboprop, operating from a state-of-the-art Canadian facility. |
1,561 |
| 4 |
Trican Well Service Ltd.tricanwellservice.com
A leading provider of pressure pumping and oilfield services with expertise in fracturing, cementing, reservoir characterization, and production enhancement |
1,302 |
| 5 |
United Safetyunitedsafety.net
A safety solutions provider with 30 years experience offering safety equipment, personnel, and services for the Oil and Gas industry globally |
934 |
| 6 |
Phoenix Technology Servicesphxtech.com
Specializing in directional drilling solutions for unconventional drilling markets worldwide, focused on reducing costs, minimizing risks, and maximizing operational efficiencies |
906 |
| 7 | 733 | |
| 8 |
SMART Technologiessmarttech.com
Leading provider of technology solutions for classrooms and workplaces worldwide, offering integrated software, hardware, training, and services for interactive displays |
591 |
| 9 |
Blackline Safetyblacklinesafety.com
This company provides wearable safety technology and gas monitoring paired with cloud-connected software to ensure worker safety and productivity worldwide |
561 |
| 10 |
Engineered Airengineeredair.com
Manufacturer of HVAC, refrigeration, and heat transfer products for various industries in North America, with a focus on custom design and project-specific solutions |
551 |
| 11 |
NovAtelnovatel.com
Develops global technology solutions for assured autonomy and precise positioning on land, sea, and air, critical for various industries. |
380 |
| 12 |
Steelhaus Technologies Incsteelhaus.com
Innovative energy solutions provider with adaptable engineering, integrated manufacturing, and unwavering customer service, driven by a culture of continuous improvement and collaboration |
193 |
| 13 |
Cougar Drilling Solutionstq.com
Provider of specialized drilling solutions worldwide, including directional services, rental tools, and direct sales of drilling equipment and products with a data-driven approach |
182 |
| 14 |
Vaderstad North Americavaderstad.com
Develops, manufactures, and sells highly efficient agricultural machinery worldwide, specializing in innovative seeding, planting, and soil tillage equipment for crop producers. |
173 |
| 15 |
GN CORPORATIONS INC.gncorporations.com
An advanced manufacturing company in Alberta, Canada, offering high precision products and services for Oil & Gas, Automotive, Aerospace, and Defense industries globally |
163 |
| 16 |
Oil States Energy Services (Canada) Inc.osescanada.com
Specializing in wellhead isolation and fracturing tools, providing a range of equipment and services to the global oil and gas industry |
111 |
| 17 |
CVS Controls Ltd.cvs-controls.com
A global industry leader manufacturing industrial control valves and instrumentation products, meeting customers' needs with high quality, performance, and reliability Offices in multiple locations |
77 |
| 18 |
Current Scientific Corporationcurrentcorp.com
Manufacturing electro-optical infrared systems, Night Navigator cameras for naval and marine industries, enhancing safety and surveillance at sea |
40 |
| 19 | 37 | |
| 20 |
C&A Group of Companiescandagroup.ca
The company based in Alberta, Canada provides end-to-end manufacturing and process solutions for various industries, specializing in food processing, manufacturing, energy, and industrial construction |
32 |
| 21 |
Westgen Technologieswestgentech.com
A trusted leader in emissions reduction solutions for the oil & gas industry, offering innovative products to effectively reduce methane emissions on work sites |
24 |
| 22 |
Polyphase Engineered Controlspolyphasecontrols.com
An electrical/electronic manufacturing company located in Edmonton, Alberta, Canada, specializing in engineered controls for various applications |
17 |
| 23 |
Au-Zone Technologiesembeddedml.com
The company specializes in providing advanced vision solutions and tools for AI and machine learning projects to enhance product value and customer experiences |
11 |
| 24 |
AIP Industries Incaipindustries.com
Alberta-based engineering and manufacturing business with expertise in challenging projects across industries, as well as a line of flow control products |
8 |
| 25 |
Revelation Management ltdrevelmgt.com
An Alberta-based company offers cutting-edge energy solutions for oil and gas producers, including a patented tool for enhancing profitability and safety |
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 Oct 24, 2026.
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