| 1 | Ipsos CORP | Canada | Vancouver | 1700-1075 Georgia St W | British Columbia | V6E 3C9 | ipsos.***** | 1989 | $381,225,176 | 1,868 | N/A | N/A | N/A |
| 2 | Ipsos LIMITED Partnership | Canada | Vancouver | 1700-1075 Georgia St W | British Columbia | V6E 3C9 | ipsos.***** | 2002 | $306,123,000 | 1,500 | N/A | N/A | N/A |
| 3 | Ac Nielsen Company Of Canada LIMITED | Canada | Markham | 160 Mcnabb St | Ontario | L3R 4B8 | nielsen.***** | 1944 | $204,082,000 | 1,000 | N/A | N/A | N/A |
| 4 | Decima INC | Canada | Ottawa | 1800-160 Elgin St | Ontario | K2P 2P7 | harrisdecima.***** | 1988 | $204,082,000 | 1,000 | N/A | N/A | N/A |
| 5 | Saine Marketing INC. | Canada | Montréal | 220-2222 Boul Rene-levesque O | Québec | H3H 1R6 | sainemarketing.***** | 1981 | $197,948,700 | 900 | N/A | N/A | 1206664 |
| 6 | Leger Marketing INC | Canada | Montréal | 507 Place D'Armes Bureau 700 | Québec | H2Y 2W8 | leger360.***** | 2000 | $163,265,600 | 800 | N/A | N/A | N/A |
| 7 | Gestion Canadadirect INC | Canada | Dorval | 9045 Ch Cote-de-liesse | Québec | H9P 2M9 | canadadirect.***** | 1998 | $153,960,100 | 700 | N/A | N/A | N/A |
| 8 | Opinion Search INC | Canada | Ottawa | 1800-160 Elgin St | Ontario | K2P 2P7 | kpmg.***** | 1988 | $142,857,400 | 700 | N/A | N/A | N/A |
| 9 | Sunnybrook Research Institute | Canada | Toronto | 2075 Bayview Ave | Ontario | M4N 3M5 | sunnybrook.***** | 2010 | $105,572,640 | 480 | N/A | N/A | N/A |
| 10 | Nielsen Media Research LIMITED | Canada | Markham | 160 Mcnabb St | Ontario | L3R 4B8 | nielsen.***** | 1996 | $102,041,000 | 500 | N/A | N/A | N/A |
| 11 | Triumf INC. | Canada | Vancouver | 4004 Wesbrook Mall | British Columbia | V6T 2A3 | triumf.***** | 2022 | $98,974,350 | 450 | N/A | N/A | 13678792 |
| 12 | Rddc Valcartier | Canada | Québec | 2459 Boul Pie-xi N Bureau 63 | Québec | G3J 1X5 | drdc-rddc.***** | 1945 | $87,977,200 | 400 | N/A | N/A | N/A |
| 13 | Acrobat Research LTD | Canada | Mississauga | 201-170 Robert Speck Pky | Ontario | L4Z 3G1 | N/A | 2016 | $81,632,800 | 400 | N/A | N/A | N/A |
| 14 | Canadian International Council | Canada | Ottawa | 1125 Colonel by Dr | Ontario | K1S 5B6 | thecic.***** | 2014 | $76,980,050 | 350 | N/A | N/A | 0347591 |
| 15 | Western Opinion Research INC | Canada | Winnipeg | 213 Notre Dame Ave Suite 806 | Manitoba | R3B 1N3 | nrgresearchgroup.***** | 1982 | $76,980,050 | 350 | N/A | N/A | N/A |
| 16 | Connor, Clark & Lunn Financial Group LTD | Canada | Toronto | 130 King St W Suite 1400 | Ontario | M5X 1C8 | cclgroup.***** | 2019 | $71,428,700 | 350 | N/A | N/A | N/A |
| 17 | Forum Research INC | Canada | Toronto | 1400-180 Bloor St W | Ontario | M5S 2V6 | forumresearch.***** | 1993 | $65,982,900 | 300 | N/A | N/A | N/A |
| 18 | International Development Research Centre | Canada | Ottawa | 45 O'Connor St | Ontario | K1P 1A4 | idrc.***** | 1970 | $65,451,006 | 455 | N/A | N/A | N/A |
| 19 | Interhealth Canada LIMITED | Canada | Toronto | 600-357 Bay St | Ontario | M5H 2T7 | interhealthcanada.***** | 1994 | $61,224,600 | 300 | N/A | N/A | N/A |
| 20 | Iogen Bio-Products CORPORATION | Canada | Ottawa | 310 Hunt Club Rd | Ontario | K1V 1C1 | iogen.***** | 1986 | $61,224,600 | 300 | N/A | N/A | N/A |
| 21 | Icom Information & Communications L.P. | Canada | Toronto | 111 Gordon Baker Rd Suite 300 | Ontario | M2H 3R1 | N/A | 2006 | $55,205,693 | 251 | N/A | N/A | N/A |
| 22 | Torfac Canada INC. | Canada | Toronto | 4789 Yonge St Suite 405 | Ontario | M2N 0G3 | torfac.***** | 2017 | $54,985,750 | 250 | N/A | N/A | 10369675 |
| 23 | Centre De Recherche De L'hopital Douglas | Canada | Montréal | 6875 Boul Lasalle | Québec | H4H 1R3 | pj.***** | 1979 | $54,985,750 | 250 | N/A | N/A | N/A |
| 24 | Maritz Research Company | Canada | Toronto | 6060-3080 Yonge St | Ontario | M4N 3N1 | hotfrog.***** | 2002 | $54,985,750 | 250 | N/A | N/A | N/A |
| 25 | R. A. Malatest & Associates LTD | Canada | Victoria | 201-862 Cloverdale Ave | British Columbia | V8X 2S8 | malatest.***** | 1985 | $52,786,320 | 240 | N/A | N/A | N/A |
| 26 | Environics Analytics Group LTD | Canada | Toronto | 400-33 Bloor St E | Ontario | M4W 3H1 | environicsanalytics.***** | 2003 | $43,988,600 | 200 | N/A | N/A | N/A |
| 27 | Maritz INC | Canada | Saskatoon | 2318 Northridge Dr | Saskatchewan | S7L 1B9 | maritz.***** | 2006 | $43,988,600 | 200 | N/A | N/A | N/A |
| 28 | Compustat Consultants INC | Canada | Orangeville | 67 First St | Ontario | L9W 2E6 | compustatconsultants.***** | 1988 | $43,988,600 | 200 | N/A | N/A | N/A |
| 29 | Canadian Viewpoint INC | Canada | Richmond Hill | 206-9350 Yonge St | Ontario | L4C 5G2 | canview.***** | 1980 | $43,988,600 | 200 | N/A | N/A | N/A |
| 30 | A & A Merchandising LTD | Canada | Toronto | 3250 Lake Shore Blvd W | Ontario | M8V 1M1 | aamerch.***** | 1994 | $43,988,600 | 200 | N/A | N/A | N/A |
| 31 | Logit Group INC, The | Canada | Toronto | 401 the West Mall Unit 700 | Ontario | M9C 5J5 | logitgroup.***** | 2017 | $43,988,600 | 200 | N/A | N/A | N/A |
| 32 | Numeris | Canada | Toronto | 1500 Don Mills Rd 3rd Fl | Ontario | M3B 3L7 | bbm.***** | 1966 | $43,988,600 | 200 | N/A | N/A | 320048 |
| 33 | And The Agency INC | Canada | Toronto | 2001 Sheppard Ave E Unit 506 | Ontario | M2J 4Z8 | consumercontact.***** | 2018 | $43,988,600 | 200 | N/A | N/A | N/A |
| 34 | Elemental Data Collection INC | Canada | Ottawa | 400-170 Laurier Ave W | Ontario | K1P 5V5 | elementaldci.***** | 2006 | $43,988,600 | 200 | N/A | N/A | N/A |
| 35 | Archipelago Marine Research LTD | Canada | Victoria | 525 Head St Suite 1 | British Columbia | V9A 5S1 | archipelago.***** | 1978 | $39,589,740 | 180 | N/A | N/A | N/A |
| 36 | Impact Research INC | Canada | Québec | 300-300 Rue Saint-paul | Québec | G1K 7R1 | vision7international.***** | 1987 | $39,589,740 | 180 | N/A | N/A | N/A |
| 37 | Ontario Centre Of Innovation | Canada | Toronto | 325 Front St W Suite 300 | Ontario | M5V 2Y1 | oce-ontario.***** | 2004 | $37,920,159 | 90 | N/A | N/A | N/A |
| 38 | Dig Insights INC | Canada | Toronto | 372 Bay St 16th Fl | Ontario | M5H 2W9 | diginsights.***** | 2010 | $35,190,880 | 160 | N/A | N/A | N/A |
| 39 | Greg Kelly Woolsten Croft | Canada | Ottawa | 205-60 George St | Ontario | K1N 1J4 | N/A | 2008 | $32,991,450 | 150 | N/A | N/A | N/A |
| 40 | Bc Centre For Excellence In Hiv Aids | Canada | Vancouver | 608-1081 Burrard St | British Columbia | V6Z 1Y6 | bccfe.***** | 1997 | $32,991,450 | 150 | N/A | N/A | N/A |
| 41 | Novum Pharmaceutical Research Services INC | Canada | Toronto | 460 Comstock Rd | Ontario | M1L 4S4 | lambdacanada-cro.***** | 2010 | $32,991,450 | 150 | N/A | N/A | N/A |
| 42 | Data Probe INC | Canada | Winnipeg | 297 St Mary'S Rd | Manitoba | R2H 1J5 | dataprobe.***** | 2000 | $32,991,450 | 150 | N/A | N/A | N/A |
| 43 | AD Hoc Recherche INC | Canada | Montréal | 1200-400 Boul de Maisonneuve O | Québec | H3A 1L4 | adhoc-recherche.***** | 2010 | $32,991,450 | 150 | N/A | N/A | N/A |
| 44 | Mitacs INC. | Canada | Vancouver | 301-6190 Agronomy Rd | British Columbia | V6T 1Z3 | N/A | 1998 | $32,991,450 | 150 | N/A | N/A | 4022319 |
| 45 | 411 Local Search CORP | Canada | Toronto | 1200 Eglinton Ave E Suite 200 | Ontario | M3C 1H9 | 411.***** | 2006 | $32,991,450 | 150 | N/A | N/A | N/A |
| 46 | Everest Clinical Research CORPORATION | Canada | Markham | 675 Cochrane Dr | Ontario | L3R 0B8 | ecrscorp.***** | 2020 | $28,592,590 | 130 | N/A | N/A | N/A |
| 47 | Smt Direct Marketing INC | Canada | Toronto | 5255 Yonge St Suite 1400 | Ontario | M2N 6P4 | smtdirect.***** | 2002 | $26,393,160 | 120 | N/A | N/A | N/A |
| 48 | Prairie Research Associates Pra INC | Canada | Winnipeg | 500-363 Broadway | Manitoba | R3C 3N9 | pra.***** | 1988 | $24,853,559 | 113 | N/A | N/A | N/A |
| 49 | Nrg Research Group INC | Canada | Vancouver | 1380-1100 Melville St | British Columbia | V6E 4A6 | nrgresearchgroup.***** | 2004 | $24,193,730 | 110 | N/A | N/A | N/A |
| 50 | Ipsos-Insight CORPORATION | Canada | Vancouver | 1700-1075 Georgia St W | British Columbia | V6E 3C9 | ipsos.***** | 2000 | $23,753,844 | 108 | N/A | N/A | N/A |
| 51 | HARRIS/DECIMA | Canada | Toronto | 405-2345 Yonge St | Ontario | M4P 2E5 | opinionsearch.***** | 2010 | $21,994,300 | 100 | N/A | N/A | N/A |
| 52 | Alloprof | Canada | Montréal | 905 Av de Lorimier | Québec | H2K 3V9 | N/A | 1994 | $21,994,300 | 100 | N/A | N/A | N/A |
| 53 | Spectra Energy Empress L.P. | Canada | Calgary | 2600-425 1 St Sw | Alberta | T2P 3L8 | spectraenergy.***** | 2005 | $21,994,300 | 100 | N/A | N/A | N/A |
| 54 | Corem | Canada | Québec | 1180 Rue de la Mineralogie | Québec | G1N 1X7 | corem.***** | 1998 | $21,994,300 | 100 | N/A | N/A | N/A |
| 55 | Gestion Lkd, S.E.C. | Canada | Montréal | 1250 Boul Rene-levesque O Bureau 20e | Québec | H3B 4W8 | langlois.***** | 2007 | $21,335,800 | 100 | N/A | N/A | N/A |
| 56 | Bip Recherche INC | Canada | Montréal | 1221-2021 Av Union | Québec | H3A 2S9 | wwwbip-sondage.***** | 1988 | $21,335,800 | 100 | N/A | N/A | N/A |
| 57 | 9182-9978 Quebec INC | Canada | Montréal | 774 Rue Saint Paul O | Québec | H3C 1M4 | klientel.***** | 2007 | $21,335,800 | 100 | N/A | N/A | N/A |
| 58 | Gestion Neurorx Research INC | Canada | Montréal | 5322-3575 Av Du Parc | Québec | H2X 3P9 | neurorx.***** | 2004 | $21,335,800 | 100 | N/A | N/A | N/A |
| 59 | First Avenue Clearing CORPORATION | Canada | Toronto | 47 Jutland Rd | Ontario | M8Z 2G6 | firstave.***** | 1978 | $21,335,800 | 100 | N/A | N/A | N/A |
| 60 | Social Sciences And Humanities Research Council Of Canada | Canada | Ottawa | 1610-350 Albert St | Ontario | K1R 1A4 | sshrc-crsh.***** | 1978 | $21,334,471 | 97 | N/A | N/A | N/A |
| 61 | B3intelligence LTD. | Canada | Toronto | 100 Sheppard Ave E Suite 503 | Ontario | M2N 6N5 | b3intelligence.***** | 2014 | $19,202,220 | 90 | N/A | N/A | 8326517 |
| 62 | Kantar Canada INC | Canada | Toronto | 900-2 Bloor St E | Ontario | M4W 3H8 | tnscanada.***** | 2003 | $18,695,155 | 85 | N/A | N/A | N/A |
| 63 | Maru Group Canada INC. | Canada | Toronto | 1600-2 Bloor St E | Ontario | M4W 1A8 | thechaosgroup.***** | 2015 | $17,595,440 | 80 | N/A | N/A | 9531246 |
| 64 | Pareto Retail Services INC | Canada | Richmond Hill | 56 Leek Cres | Ontario | L4B 1H1 | N/A | 2006 | $17,068,640 | 80 | N/A | N/A | N/A |
| 65 | Npd Intelect Canada INC | Canada | Toronto | 502-1500 Don Mills Rd | Ontario | M3B 3K4 | npd.***** | 1997 | $16,495,725 | 75 | N/A | N/A | N/A |
| 66 | Transpharmation Canada LTD | Canada | Fergus | 8224 Sideroad 15 | Ontario | N1M 2W8 | N/A | 2024 | $16,495,725 | 75 | N/A | N/A | 16250483 |
| 67 | Viewpoints Research LTD | Canada | Winnipeg | 115 Bannatyne Ave Suite 404 | Manitoba | R3B 0R3 | viewpoints.***** | 1986 | $15,788,492 | 74 | N/A | N/A | N/A |
| 68 | Service Quality Measurement Group INC | Canada | Vernon | 3126 31 Ave Suite 301 | British Columbia | V1T 2H1 | sqmgroup.***** | 1997 | $15,788,492 | 74 | N/A | N/A | N/A |
| 69 | Mustel Research Group LTD | Canada | Vancouver | 402-1505 2nd Ave W | British Columbia | V6H 3Y4 | mustelgroup.***** | 1980 | $14,935,060 | 70 | N/A | N/A | N/A |
| 70 | Canadian Development Consultants International INC | Canada | Vancouver | 200-541 Howe St | British Columbia | V6C 2C2 | cdci.***** | 2000 | $14,935,060 | 70 | N/A | N/A | N/A |
| 71 | Zero Gravity Marketing INC | Canada | Calgary | 500-1324 17 Ave Sw | Alberta | T2T 5S8 | zgm.***** | 2007 | $14,508,344 | 68 | N/A | N/A | N/A |
| 72 | Zero Gravity Marketing INC. | Canada | Edmonton | 290-8155 105 St Nw | Alberta | T6E 3R7 | N/A | 2007 | $14,508,344 | 68 | N/A | N/A | N/A |
| 73 | Aeric INC. | Canada | Ottawa | 135 Laurier Ave W | Ontario | K1P 5J2 | conferenceboard.***** | 1980 | $14,493,680 | 165 | N/A | N/A | 509485 |
| 74 | Insightrix Research INC | Canada | Saskatoon | 220-536 2nd Ave North | Saskatchewan | S7K 2C5 | insightrix.***** | 2001 | $14,294,986 | 67 | N/A | N/A | N/A |
| 75 | Public History INC | Canada | Ottawa | 500-331 Cooper St | Ontario | K2P 0G5 | publichistory.***** | 1995 | $13,868,270 | 65 | N/A | N/A | N/A |
| 76 | In-Sync Consumer Insight CORP | Canada | Toronto | 403-90 Eglinton Ave E | Ontario | M4P 2Y3 | insyncstrategy.***** | 1995 | $13,868,270 | 65 | N/A | N/A | N/A |
| 77 | Hotspex INC | Canada | Toronto | 801-40 Eglinton Ave E | Ontario | M4P 3A2 | hotspex.***** | 2000 | $13,441,554 | 63 | N/A | N/A | N/A |
| 78 | Roi Recherches Sur Les Occasions D'investissement INC. | Canada | Westmount | 4820 Boulevard de Maisonneuve O | Québec | H3Z 1M1 | roivision.***** | 2003 | $13,196,580 | 60 | N/A | N/A | 4211731 |
| 79 | Intouch Insight INC | Canada | Ottawa | 400 March Rd | Ontario | K2K 3H4 | intouchinsight.***** | 1992 | $13,196,580 | 60 | N/A | N/A | N/A |
| 80 | Central Ontario Healthcare Procurement Alliance | Canada | Richmond Hill | 300-95 Mural St | Ontario | L4B 3G2 | cohpa.***** | 2007 | $12,801,480 | 60 | N/A | N/A | N/A |
| 81 | Santium Media CORPORATION | Canada | Concord | 13-3120 Rutherford Rd | Ontario | L4K 0B2 | santium.***** | 2011 | $12,801,480 | 60 | N/A | N/A | N/A |
| 82 | Comwave Telecom INC | Canada | Toronto | 1-4884 Dufferin St | Ontario | M3H 5S8 | comwave.***** | 2005 | $12,801,480 | 60 | N/A | N/A | N/A |
| 83 | Unite Mixte De Recherche En Sciences Urbaines - Umrsu | Canada | Québec | 1405 Boul Du Parc-technologique 2e Etage | Québec | G1P 4P5 | N/A | 2015 | $12,096,865 | 55 | N/A | N/A | N/A |
| 84 | Cci Research INC | Canada | Orangeville | 71 Broadway | Ontario | L9W 1K1 | cciresources.***** | 2007 | $11,734,800 | 50 | N/A | N/A | N/A |
| 85 | 7/24 Marketing INC | Canada | Sherbrooke | 1268 Rue Prospect | Québec | J1J 1J5 | sept24.***** | 2004 | $11,734,800 | 50 | N/A | N/A | N/A |
| 86 | Axis Database Marketing Group INC | Canada | Mississauga | A-1331 Crestlawn Dr | Ontario | L4W 2P9 | axisintegrated.***** | 1996 | $11,734,800 | 50 | N/A | N/A | N/A |
| 87 | Crop INC | Canada | Montréal | 900-550 Rue Sherbrooke O | Québec | H3A 1B9 | crop.***** | 2009 | $11,734,800 | 50 | N/A | N/A | N/A |
| 88 | Matrix Research LIMITED | Canada | Thornhill | 280-55 Doncaster Ave | Ontario | L3T 1L7 | matrixresearch.***** | 1990 | $11,734,800 | 50 | N/A | N/A | N/A |
| 89 | Angus Reid Group INC. | Canada | Vancouver | 750-505 Burrard St | British Columbia | V7X 1M4 | angusreid.***** | 2018 | $11,734,800 | 50 | N/A | N/A | N/A |
| 90 | Abstract Marketing Group INC | Canada | Toronto | 700-55 Town Centre Crt | Ontario | M1P 4X4 | abstractmarketing.***** | 2018 | $11,734,800 | 50 | N/A | N/A | N/A |
| 91 | Holinshed Research Group INC | Canada | Ottawa | 1102-200 Elgin St | Ontario | K2P 1L5 | N/A | 2001 | $11,734,800 | 50 | N/A | N/A | N/A |
| 92 | Legal Link CORPORATION, The | Canada | Toronto | 400-333 Bay St | Ontario | M5H 2R2 | legallink.***** | 2000 | $11,734,690 | 55 | N/A | N/A | N/A |
| 93 | Suly INC | Canada | Brossard | 6205 Av Auteuil | Québec | J4Z 3R8 | suly.***** | 2001 | $11,500,104 | 49 | N/A | N/A | N/A |
| 94 | Banister Research & Consulting INC | Canada | Edmonton | 11223 99 Ave Nw | Alberta | T5K 0G9 | banister.***** | 1989 | $11,500,104 | 49 | N/A | N/A | N/A |
| 95 | Ncsg Acquisition LTD | Canada | Acheson | 53016 Hwy 60 Unit 817 | Alberta | T7X 5A7 | ncsg.***** | 2014 | $11,500,104 | 49 | N/A | N/A | N/A |
| 96 | Access Research INC | Canada | Toronto | 1402-180 Bloor St W | Ontario | M5S 2V6 | forumresearch.***** | 1999 | $11,500,104 | 49 | N/A | N/A | N/A |
| 97 | Knewsales Group | Canada | Toronto | 145-550 Queen St E | Ontario | M5A 1V2 | knewsales.***** | 2013 | $10,918,545 | 1 | N/A | N/A | N/A |
| 98 | Les Laboratoires De Recherche De Lan Wirewerks INC | Canada | Baie-d'urfé | 19144 Av Cruickshank | Québec | H9X 3P1 | wirewerks.***** | 1991 | $10,667,900 | 50 | N/A | N/A | 2720655 |
| 99 | Sault STE. Marie Innovation Centre | Canada | Sault Ste Marie | 307-1520 Queen St E | Ontario | P6A 2G4 | ssmic.***** | 1999 | $10,667,900 | 50 | N/A | N/A | N/A |
| 100 | Mba Recherche INC | Canada | Montréal | 800-1470 Rue Peel | Québec | H3A 1T1 | mbarecherche.***** | 2011 | $10,667,900 | 50 | N/A | N/A | N/A |