| Government of Ontario |
27,827 |
| Public Works Government Service of Canada |
17,834 |
| Health Canada / Canadian Health Network |
11,377 |
| Agriculture and Agri-Food Canada |
9,246 |
| Canadian Food Inspection Agency |
7,030 |
| Government of Canada |
6,247 |
| Canadian Imperial Bank of Commerce (CIBC) |
5,711 |
| Royal Bank of Canada |
5,601 |
| City of Ottawa |
5,395 |
| Sutton Group Inc |
5,060 |
| University of Western Ontario |
4,992 |
| Humber College |
4,979 |
| Toronto Dominion Bank (TD) |
4,690 |
| Transport Canada |
4,442 |
| University of Toronto |
4,338 |
| City of Toronto |
4,315 |
| Natural Resources Canada |
4,210 |
| McMaster University |
4,077 |
| Royal LePage Real Estate Services |
4,046 |
| Algonquin College |
3,995 |
| York University |
3,993 |
| BMO Financial Group ltd |
3,908 |
| Rogers Communications Inc. |
3,269 |
| Fisheries and Oceans Canada |
3,061 |
| Public Health Agency of Canada |
2,996 |
| BlackBerry |
2,940 |
| National Research Council of Canada |
2,623 |
| Department of Justice |
2,609 |
| Ryerson University |
2,476 |
| Sun Life Financial Inc. |
2,438 |
| University of Waterloo |
2,408 |
| Scotiabank |
2,319 |
| Industry Canada |
2,274 |
| Treasury Board of Canada Secretariat |
2,150 |
| Queen's University |
1,843 |
| University of Guelph |
1,839 |
| BMO Nesbitt Burns |
1,791 |
| Open Text Corporation |
1,765 |
| Environment Canada |
1,752 |
| George Brown College |
1,742 |
| Manulife Financial |
1,729 |
| Canadian Broadcasting Corporation |
1,624 |
| Statistics Canada |
1,358 |
| Fanshawe College |
1,345 |
| Fasken Martineau DuMoulin LLP |
1,284 |
| National Defence and the Canadian Forces |
1,272 |
| Toronto Community Housing Corporation |
1,248 |
| RBC Capital Markets |
1,241 |
| Canada Public Service Commission |
1,218 |
| Carleton University |
1,216 |
| City of London |
1,193 |
| Softchoice Corporation |
1,155 |
| Thales Group |
1,069 |
| Lakehead University |
1,067 |
| University of Ottawa. |
1,060 |
| Scotia Capital |
1,024 |
| Fairmont Raffles Hotels International |
979 |
| Loblaw Companies Limited |
970 |
| Borden Ladner Gervais |
946 |
| Ontario Power Generation Inc. |
927 |
| The City of Kingston |
917 |
| University of Windsor |
916 |
| CEVA Logistics |
911 |
| Niagara College |
901 |
| Bell Media |
888 |
| Foreign Affairs and International Trade Canada |
851 |
| McCarthy Tetrault |
831 |
| Shaw Media |
820 |
| Ottawa Hospital |
778 |
| University Health Network |
773 |
| Sheridan College |
766 |
| Government of Canada |
758 |
| Conestoga College |
754 |
| RCMP - Royal Canadian Mounted Police |
752 |
| Brock University |
745 |
| Wilfrid Laurier University |
739 |
| Miller Thomson LLP |
731 |
| Confederation College |
721 |
| Seneca College of Applied Arts & Technology |
720 |
| Four Seasons Resorts |
681 |
| London Health Sciences Centre |
670 |
| Canada Mortgage and Housing Corporation |
667 |
| Canada Revenue Agency |
658 |
| Canadian Tire Corporation, Limited |
617 |
| Hudson's Bay Company |
616 |
| TD Securities, LLC |
615 |
| Shoppers Drug Mart Corporation |
613 |
| College of Physicians & Surgeons of Ontario Archives |
608 |
| York Catholic District School Board |
590 |
| CBC / Radio-Canada |
581 |
| Sunnybrook Health Sciences Centre |
566 |
| Office of the Auditor General of Canada |
560 |
| Canada Post Corporation |
557 |
| Workplace Safety & Insurance Board |
543 |
| Osler Hoskin |
538 |
| Apotex, Inc. |
529 |
| Torys LLP |
527 |
| The Canadian Press |
524 |
| Export Development Canada |
517 |
| Durham College of Applied Arts |
514 |
| Canadian Institutes of Health Research |
510 |
| Stikeman Elliott LLP |
508 |
| Hydro One Inc |
506 |
| Atomic Energy of Canada Limited |
504 |
| Dundee Capital Markets |
494 |
| Thames Valley District School Board |
494 |
| Direct Energy Marketing Limited |
489 |
| Avison Young Commercial Real Estate |
480 |
| Grand & Toy |
477 |
| Corus Entertainment Inc. |
475 |
| TELUS Mobility |
464 |
| Nipissing University |
463 |
| University of Ontario Institute of Technology |
458 |
| Magna International Inc |
442 |
| Infrastructure Canada |
438 |
| Office of the Superintendent of Financial Institutions Canada |
435 |
| Celestica Inc. |
430 |
| Toronto District School Board |
413 |
| Cambrian College |
393 |
| Mitel Networks Corporation |
391 |
| Maple Leaf Foods Inc. |
389 |
| Sears Canada Inc. |
383 |
| University of Guelph-Humber |
381 |
| Assante Wealth Management and Assante Capital Management Ltd |
380 |
| Ontario College of Art |
376 |
| Co-operators General Insurance Company |
374 |
| AON Reed Stenhouse |
372 |
| McMillan LLP |
368 |
| Financial Services Commission of Ontario (FSCO) |
366 |
| Hatch Ltd. |
365 |
| Freedom 55 Financial |
358 |
| Liquor Control Board of Ontario (LCBO). |
355 |
| ABB |
350 |
| Canadian Medical Association |
346 |
| The Regional Municipality of Halton |
343 |
| Ontario Lottery and Gaming Corporation |
334 |
| Livingston International Inc. |
329 |
| The Credit Valley Hospital |
327 |
| Cassels Brock & Blackwell LLP |
323 |
| Intact Financial Corporation |
321 |
| The Toronto Star |
320 |
| London Life Insurance Company |
319 |
| Toronto Catholic District School Board |
317 |
| Toyota Motor Manufacturing Canada |
317 |
| Natural Sciences and Engineering Research Council of Canada |
316 |
| Royal & Sun Alliance Insurance Company of Canada d/b/a RSA |
314 |
| Mount Sinai Hospital |
310 |
| Canada School of Public Service |
307 |
| The Globe and Mail |
307 |
| Royal Military College of Canada |
302 |
| Revera Inc. |
301 |
| St Michael's Hospital |
292 |
| Davis + Henderson Ltd. |
289 |
| Sun Media Corporation |
285 |
| Labatt Breweries of Canada |
280 |
| Toromont Industries Ltd. |
278 |
| Oxford Properties Group Inc. |
278 |
| Humber River Regional Hospital |
278 |
| Constellation HomeBuilder Systems |
273 |
| ING Direct Canada |
271 |
| Government of Canada Privy Council Office |
271 |
| Children's Hospital Eastern Ontario |
265 |
| Husky Injection Molding Systems Ltd. |
264 |
| Info-Tech Research Group |
264 |
| Goodmans LLP |
263 |
| Defence Construction Canada |
253 |
| Centennial College |
248 |
| Delta Hotels Limited |
247 |
| Aviva Canada Inc. |
247 |
| Mohawk College of Applied Arts and Technology |
246 |
| Union Gas Limited |
246 |
| Barrick Gold Corporation |
245 |
| Coldwell Banker Peter Benninger Realty |
244 |
| BDO Canada |
243 |
| Bruce Power LP |
243 |
| CAMH Centre for Addiction and Mental Health |
242 |
| ENCON Group Inc. |
240 |
| Shred-it |
238 |
| International Development Research Center (IDRC) |
234 |
| McCain Foods |
234 |
| Canadian Blood Services |
234 |
| Trent University |
234 |
| Progressive Waste Solutions Ltd. |
232 |
| Brookfield Asset Management Inc. |
231 |
| Irdeto |
230 |
| Staples Canada |
229 |
| Toronto Hydro Corporation |
226 |
| Independent Order of Foresters |
226 |
| The City of Hamilton, Ontario Canada |
224 |
| Davies Ward Phillips |
216 |
| St. Joseph's Health Care, London |
215 |
| Purolator Ltd. |
214 |
| Tim Hortons |
213 |
| Canoe.ca |
213 |
| Ontario Teachers' Pension Plan |
212 |
| ATS Automation Tooling Systems Inc. |
208 |
| University of Torornto, Rotman School of Management |
208 |
| Region of Peel |
207 |
| Agricorp |
207 |
| Tyndale University |
205 |
