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Top 20 Construction Companies in Canada.


Calgary,  Alberta,  Canada T2P 3S8 (Map)

57,000 Employees

Techint is established in Egypt and Ecuador. In Ecuador, the company builds the Heavy Crude Oil Pipeline (OCP) and facilities, one of the largest and most difficult projects in the country's history. ... more

WSP Canada Inc.

Montreal,  Quebec,  Canada H3H 1P9 (Map)

36,000 Employees

WSP is one of the world's leading professional services firms in its industry, working with governments, businesses, architects and planners and providing integrated solutions across many disciplines. The firm provides services to transform the built environment and restore the natural en... more

SNC-Lavalin Group Inc

Montreal,  Quebec,  Canada H2Z 1Z3 (Map)

34,952 Employees

Founded in 1911, SNC-Lavalin is one of the leading engineering and construction groups in the world and a major player in the ownership of infrastructure. From offices in over 50 countries, SNC-Lavalin's employees are proud to build what matters. Our teams provide engineering, procurement... more

Stantec Inc.

Edmonton,  Alberta,  Canada T5K 2L6 (Map)

22,000 Employees

The Stantec community unites approximately 22,000 employees working in over 400 locations across six continents. Our work - engineering, architecture, interior design, landscape architecture, surveying, environmental sciences, project management, and project economics, from initial proje... more

KAEFER Isoliertechnik GmbH & Co. KG

Edmonton,  Alberta,  Canada T5M 3Z5 (Map)

20,000 Employees

At first it seems like the typical story of a German start-up, founded at the turn of the last century. In 1918 Carl Kaefer, a Bremen businessman, had the idea of cladding the walls of ships' cold stores with peat. His aim was to improve what we today call "energy efficiency". It soon tur... more

Astaldi S.p.A

Montreal,  Quebec,  Canada H4C 2K1 (Map)

11,510 Employees

Astaldi has supported the values and projects of the MUS-E Italia Onlus Association since 2006. The association's aim is to help children develop their own expressive potential as well as their ability to observe and relate. Children learn to communicate through art, using a universal lan... more

Struthers Technical Solutions Ltd

Penticton,  British Columbia,  Canada V2A 5E6 (Map)

10,001 Employees

Struthers Technical Solutions Ltd. is a small but highly skilled electrical engineering consulting firm based in the Okanagan area of British Columbia, Canada. We can provide a number of Professional Engineers, technologists and skilled draftspeople for your project. We work closely with ... more

EBA Engineering Consultants Ltd

Edmonton,  Alberta,  Canada T5V 1B4 (Map)

10,001 Employees

We serve both the public and private clients, focusing on the mining, energy, transportation and development market sectors in Canada and around the world. We are proud of our reputation for creating and delivering innovative and practical solutions to our clients by listening and under... more

SNC-Lavalin Nuclear Inc

Mississauga,  Ontario,  Canada L5K 1B2 (Map)

10,001 Employees

Founded in 1911, SNC-Lavalin is one of the leading engineering and construction groups in the world and a major player in the ownership of infrastructure. From its offices in over 50 countries, SNC-Lavalin provides EPC (engineering, procurement and construction) and EPCM (engineering, pro... more

Hatch Ltd

Mississauga,  Ontario,  Canada L5K 2R7 (Map)

10,001 Employees

Hatch is an employee-owned, multidisciplinary professional services firm that delivers a comprehensive array of technical and strategic services, including consulting, information technology, engineering, process development, and project and construction management to the Mining, Metallur... more

Aecon Group Inc

Toronto,  Ontario,  Canada M9W 7K6 (Map)

9,781 Employees

Aecon Group Inc. is Canada's largest, publicly traded construction and infrastructure development company. Aecon and its subsidiaries provide services to private and public sector clients throughout Canada and on a selected basis internationally.  Aecon is pleased to be recognized as one... more

Harris Rebar Company

Stoney Creek,  Ontario,  Canada L8E 2M2 (Map)

7,500 Employees

Harris Rebar is a leader in detailing, fabrication and installation of reinforcing steel; but that's not all we do. We can also assist with construction know-how. During the design phase of a project, we work with our customers to find cost effective alternatives. We can recommend changes... more

Ledcor Group of Companies

Vancouver,  British Columbia,  Canada V6E 2E9 (Map)

7,500 Employees

Ledcor is a multi-faceted construction company that offers specialized services in project and construction management, pre-construction services, design-build, general contracting, and Public Private Partnership (P3) delivery models for a variety of clientele. Ledcor Group of Companies ... more

Construction Safety Association of Manitoba

Winnipeg,  Manitoba,  Canada R3T 0P7 (Map)

7,500 Employees

Since 1990, the Construction Safety Association of Manitoba (CSAM) has offered practical solutions for a safer workplace. We are a non-profit organization run by the building construction industry in Manitoba (the 400 Group of the Workers Compensation Board of Manitoba). The Winnipeg Co... more

Industry Canada

Toronto,  Ontario,  Canada M5C 2W7 (Map)

7,500 Employees

We strive to deliver our mandate, guided by the following values: Leadership: We focus on people, teamwork and results. Commitment to Clients and Quality Service: We focus on our clients' needs. The quality of our service is measured by their satisfaction. Excellence and Integrity: We s... more

Freyssinet Inc

Oakville,  Ontario,  Canada L6H 1A7 (Map)

7,500 Employees

Freyssinet provides solutions for building post-tensioning, specialised civil and remedial engineering, and upgrading of industrial structures. Local expertise, teamed with well-proven solutions and innovative technologies derived from the Group's research and development result in effect... more

Michels Corporation

Nisku,  Alberta,  Canada T9E 0A9 (Map)

6,000 Employees

Michels acquires Continental Fabrication Services, a full-service pipe fabrication company in Carrollton, Mo. CFS specializes in pipe pre-fabrication for the oil and natural gas industries. In addition to having its own clients, CFS provides ongoing fabrication to maintenance projects of ... more


Mississauga,  Ontario,  Canada L5B 3C2 (Map)

5,326 Employees

ESRS, a wholly owned division of Cunningham Lindsey Canada Claims Services Ltd., is an environmental engineering, consulting and project management practice that focuses on the insurance and risk management industries. ESRS is experienced in a broad range of environmental practices inclu... more

HB Construction Company Ltd

Edmonton,  Alberta,  Canada T6N 1C8 (Map)

3,547 Employees

HB Construction Company Ltd. is an integrated multi-trade contractor that draws from long-serving internal talent to provide construction services and project management expertise to the Oil & Gas, Energy and Industrial sectors. With an operational focus in Alberta, B.C., and Manito... more


Montreal,  Quebec,  Canada H3H 1P9 (Map)

3,500 Employees

GENIVAR is a leading Canadian engineering services company providing private and public-sector clients with a full range of professional consulting services through all project phases, including planning, design, construction and maintenance. Ranging in size, its clients operate in vario... more

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