The largest construction companies in Canada serve as testaments to the growth of the domestic market, which was valued at $325.1 billion in 2021, exceeding estimates of growth to $304.6 billion by 2023.

If you’re a construction contractor in Canada, then you know that the industry is fiercely competitive. With so many companies vying for business, it can be tough to stay ahead of the pack. So how do you know which companies are worth working with? 

Check out our list of the 40 largest construction companies in Canada, based on revenue in 2021, as determined by annual research from On-Site. We’ll also take a closer look at the top 10 construction companies in Canada to understand what makes them so prominent in the industry.

Position	Company	Revenue
1	PCL Construction	$7.6 billion
2	EllisDon Corporation	$4.9 billion
3	Aecon Group Incorporated	$3.9 billion
4	Graham Construction	$3.8 billion
5	Kiewit Canada Group Incorporated	$3 billion
6	Ledcor Group of Companies	$3 billion
7	Pomerleau Incorporated	$2.9 billion
8	Bird Construction Incorporated	$2.2 billion
9	Broccolini	$1.2 billion
10	Flynn Group of Companies	$1.1 billion
11	Green Infrastructure Partners	$1.1 billion
12	EBC Incorporated	$850 million
13	Clark Builders	$763 million
14	North American Construction Group	$654 million
15	Magil Construction	$650 million
16	Taggart Group of Companies	$593 million
17	Reliance Construction Group	$582 million
18	Chandos Construction	$490 million
19	Maple Reinders Constructors Limited	$450 million
20	Strike Group	$330 million
21	FWS Group of Companies	$310 million
22	Dawson Wallace Construction Limited	$300 million
23	Govan Brown & Associates Limited	$300 million
24	Urban One Builders	$285 million
25	Leeswood Construction	$252 million
26	Buttcon Limited	$250 million
27	Delnor Construction Limited	$248 million
28	Turner Construction Company	$198 million
29	Marco Group of Companies	$193 million
30	Keller Foundation Limited	$184 million
31	Gillam Group	$181 million
32	Matheson Constructors	$181 million
33	Trotter and Morton	$175 million
34	M Builds Construction	$170 million
35	Fortis Construction Group Incorporated	$167 million
36	Avondale Construction Limited	$158 million
37	Kinetic Construction	$140 million
38	Priestly Demolition	$131 million
39	Grascan Construction	$125 million
40	Wales McLelland Construction	$118 million

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