| Beneva inc. |
45 | $1,386,384,051 |
| PBSC Solutions Urbaines Inc. |
7 | $427,194,978 |
| GFL ENVIRONMENTAL INC. |
131 | $421,128,319 |
| Construction Deric inc. |
35 | $398,564,261 |
| POMERLEAU INC. |
6 | $312,855,886 |
| LES EXCAVATIONS LAFONTAINE INC. |
64 | $307,152,715 |
| Eurovia Québec Construction Inc. |
155 | $274,515,310 |
| CHARLES-AUGUSTE FORTIER INC. |
24 | $272,417,250 |
| PRODUITS SUNCOR ÉNERGIE, S.E.N.C. |
3 | $264,824,155 |
| Valoris |
1 | $218,612,890 |
| SOCIÉTÉ D'HABITATION ET DE DÉVELOPPEMENT DE MONTRÉAL |
1 | $208,661,228 |
| GROUPE COLAS QUÉBEC INC. |
150 | $164,670,978 |
| LBP Évaluateurs agréés Inc. |
4 | $161,008,715 |
| PROANIMA MONTRÉAL |
1 | $152,978,185 |
| Beaudoin-Nordmec |
1 | $131,055,403 |
| ALLEN ENTREPRENEUR GÉNÉRAL INC. |
23 | $128,489,356 |
| LES ENTREPRISES MICHAUDVILLE INC. |
30 | $127,288,582 |
| TISSEUR INC. |
4 | $126,335,642 |
| SOCIÉTÉ EN COMMANDITE BRENNAN-DUKE |
1 | $126,168,516 |
| KEMIRA WATER SOLUTIONS CANADA INC. |
77 | $124,415,838 |
| Ville de Longueuil |
13 | $120,819,290 |
| 9071-7448 QUÉBEC INC. |
1 | $103,752,663 |
| MAGIL CONSTRUCTION EST DU CANADA INC. |
4 | $103,052,093 |
| 9386-0120 Québec inc. |
34 | $97,548,528 |
| CENTRE AQUATIQUE DE MASCOUCHE |
1 | $90,713,000 |
| CONSTRUCTION ET PAVAGE PORTNEUF INC. |
32 | $90,532,954 |
| Mines Seleine, une division de Sel Windsor Ltée |
58 | $84,089,140 |
| CHAREX INC. |
15 | $81,993,936 |
| SINTRA INC. |
45 | $79,323,301 |
| Excavation Civilpro inc. |
51 | $72,350,955 |
| TECHNO FEU INC. |
53 | $70,203,852 |
| 9064-3032 QUÉBEC INC. |
8 | $70,203,098 |
| Villéco inc. |
13 | $68,520,636 |
| WM QUÉBEC INC. |
31 | $67,151,247 |
| Groupe Gagné Construction inc. |
13 | $66,369,501 |
| COMPASS MINERALS CANADA CORP. |
34 | $66,351,201 |
| LES PAVAGES CÉKA INC. |
41 | $65,438,371 |
| PROCOVA INC. |
21 | $64,762,757 |
| Charles-Auguste Fortier Inc. |
19 | $64,691,007 |
| RECYCLAGE NOTRE-DAME INC. |
32 | $64,501,168 |
| CONSEILLERS EN GESTION ET INFORMATIQUE CGI INC. |
41 | $64,471,729 |
| ENTREPRISES G.N.P. INC. |
11 | $63,875,898 |
| LANCO AMÉNAGEMENT INC. |
45 | $63,607,294 |
| L'Institut canadien de Québec |
1 | $62,862,729 |
| CIMA+ S.E.N.C. |
82 | $61,379,492 |
| T.G.C. INC. |
12 | $61,084,339 |
| TRANSVRAC MONTRÉAL LAVAL INC. |
14 | $58,003,426 |
| LES EXCAVATIONS LEON CHOUINARD ET FILS LTEE |
43 | $57,951,558 |
| C.M.S. ENTREPRENEURS GÉNÉRAUX INC. |
14 | $57,573,011 |
| THIBAULT & ASSOCIÉS |
15 | $55,823,494 |
| CONSTRUCTION LONGER INC. |
8 | $53,923,293 |
| Groupe Lapalme inc. |
26 | $53,225,323 |
| 175784 CANADA INC. |
12 | $51,234,053 |
| Services Ricova Inc. |
29 | $50,973,162 |
| PAVAGES MULTIPRO INC. |
36 | $50,927,341 |
| COJALAC INC. |
28 | $50,668,878 |
| .SNC-Lavalin inc. |
16 | $50,456,831 |
| UNIROC CONSTRUCTION INC. |
25 | $49,792,606 |
| LES SERVICES EXP INC. |
190 | $48,464,029 |
| BELL MOBILITÉ INC. |
17 | $47,802,702 |
| GROUPE ALLAIREGINCE INFRASTRUCTURES INC. |
26 | $47,739,131 |
| STANTEC EXPERTS-CONSEILS LTÉE |
87 | $47,466,094 |
| ALI EXCAVATION INC. |
31 | $47,397,201 |
| ATKINSRÉALIS CANADA INC. |
24 | $47,205,539 |
| CONSTRUCTION G-NESIS INC. |
16 | $46,714,107 |
| INTER-CITÉ CONSTRUCTION LTÉE |
17 | $46,641,182 |
| GAUDREAU ENVIRONNEMENT INC. |
10 | $46,134,323 |
| EBC Inc. |
2 | $45,998,753 |
| Construction Gamarco |
2 | $44,393,177 |
| WSP CANADA INC. |
140 | $44,364,547 |
| MICROSOFT CANADA INC. |
17 | $43,770,312 |
| DERICHEBOURG CANADA ENVIRONMENT INC. |
12 | $43,406,367 |
| Loiselle inc. |
3 | $43,122,777 |
| GROUPE IMOG INC. |
7 | $42,823,868 |
| Les Entreprises P.E.B. LTÉE |
30 | $41,899,809 |
| TRANSPORTEURS EN VRAC SHERBROOKE INC. |
2 | $41,391,000 |
| SELTO DISTRIBUTION INC. |
30 | $41,349,963 |
| ARÉO-FEU LTÉE |
58 | $40,298,710 |
| HARNOIS ÉNERGIES INC. |
36 | $40,250,906 |
| HAMEL CONSTRUCTION INC. |
8 | $39,844,878 |
| PURE TECHNOLOGIES LTD. |
11 | $39,732,559 |
| NORGEREQ LTÉE |
7 | $38,818,434 |
| Hydro-Québec |
10 | $38,562,213 |
| ENVIRONNEMENT ROUTIER NRJ INC. |
49 | $38,531,996 |
| MAZOUT G. BELANGER INC. |
34 | $38,043,532 |
| HABITAT CONSTRUCTION MATANE (1986) INC. |
3 | $37,820,905 |
| EUROVIA QUÉBEC GRANDS PROJETS INC. |
11 | $37,750,522 |
| ENVIRO CONNEXIONS |
19 | $37,441,917 |
| EXCAVATION ST-PIERRE ET TREMBLAY INC. |
22 | $37,180,040 |
| LE GROUPE DECAREL INC. |
2 | $36,911,995 |
| LES ENTREPRISES VENTEC INC. |
43 | $36,842,250 |
| Sanexen Services Environnementaux inc.. |
9 | $35,777,156 |
| 9036-6626 QUÉBEC INC. |
6 | $35,696,352 |
| INDUSTRIES TOROMONT LTEE |
56 | $35,352,320 |
| Groupe Axino inc. |
1 | $34,735,000 |
| EBI ENVIRONNEMENT INC. |
18 | $34,660,760 |
| L'ARCHEVÊQUE & RIVEST LIMITÉE |
9 | $34,624,202 |
| GESTION FERROVIAIRE CANADIEN NATIONAL INC. |
18 | $34,526,411 |
| NORDMEC CONSTRUCTION INC. |
35 | $34,256,665 |
| GROUPE ABS INC. |
81 | $34,168,661 |