| Government of Ontario |
27,877 |
| Public Works Government Service of Canada |
17,387 |
| Health Canada / Canadian Health Network |
11,376 |
| Agriculture and Agri-Food Canada |
9,244 |
| Canadian Food Inspection Agency |
7,026 |
| Government of Canada |
6,192 |
| Canadian Imperial Bank of Commerce (CIBC) |
5,755 |
| Royal Bank of Canada |
5,746 |
| Sutton Group Inc |
5,632 |
| City of Ottawa |
5,397 |
| Royal LePage Real Estate Services |
5,036 |
| Humber College |
4,989 |
| University of Western Ontario |
4,984 |
| Toronto Dominion Bank (TD) |
4,750 |
| Transport Canada |
4,332 |
| City of Toronto |
4,305 |
| University of Toronto |
4,277 |
| Natural Resources Canada |
4,215 |
| York University |
3,985 |
| Algonquin College |
3,982 |
| BMO Financial Group ltd |
3,836 |
| McMaster University |
3,685 |
| Rogers Communications Inc. |
3,301 |
| Fisheries and Oceans Canada |
3,053 |
| Public Health Agency of Canada |
2,992 |
| BlackBerry |
2,946 |
| Department of Justice |
2,607 |
| National Research Council of Canada |
2,573 |
| Ryerson University |
2,457 |
| Sun Life Financial Inc. |
2,457 |
| University of Waterloo |
2,383 |
| Scotiabank |
2,344 |
| Industry Canada |
2,170 |
| Treasury Board of Canada Secretariat |
2,090 |
| Queen's University |
1,842 |
| University of Guelph |
1,834 |
| Environment Canada |
1,805 |
| BMO Nesbitt Burns |
1,782 |
| George Brown College |
1,731 |
| Open Text Corporation |
1,708 |
| Manulife Financial |
1,684 |
| Canadian Broadcasting Corporation |
1,629 |
| Fanshawe College |
1,346 |
| Statistics Canada |
1,340 |
| National Defence and the Canadian Forces |
1,312 |
| Fasken Martineau DuMoulin LLP |
1,288 |
| RBC Capital Markets |
1,261 |
| Toronto Community Housing Corporation |
1,247 |
| Canada Public Service Commission |
1,214 |
| Carleton University |
1,213 |
| City of London |
1,192 |
| Softchoice Corporation |
1,086 |
| Lakehead University |
1,069 |
| Cambrian College |
1,069 |
| University of Ottawa. |
1,048 |
| Thales Group |
1,041 |
| Scotia Capital |
1,037 |
| Loblaw Companies Limited |
1,000 |
| Government of Canada |
949 |
| Fairmont Raffles Hotels International |
947 |
| Borden Ladner Gervais |
946 |
| Ottawa Hospital |
931 |
| The City of Kingston |
915 |
| University of Windsor |
912 |
| Ontario Power Generation Inc. |
906 |
| Bell Media |
887 |
| Niagara College |
868 |
| Foreign Affairs and International Trade Canada |
842 |
| McCarthy Tetrault |
834 |
| Shaw Media |
816 |
| University Health Network |
807 |
| RCMP - Royal Canadian Mounted Police |
755 |
| Wilfrid Laurier University |
747 |
| Brock University |
740 |
| Miller Thomson LLP |
739 |
| Confederation College |
719 |
| Seneca College of Applied Arts & Technology |
713 |
| Canadian Tire Corporation, Limited |
711 |
| Sheridan College |
700 |
| London Health Sciences Centre |
677 |
| Conestoga College |
676 |
| Canada Mortgage and Housing Corporation |
670 |
| Canada Revenue Agency |
659 |
| Four Seasons Resorts |
658 |
| York Catholic District School Board |
649 |
| Sunnybrook Health Sciences Centre |
640 |
| Hudson's Bay Company |
625 |
| Shoppers Drug Mart Corporation |
617 |
| College of Physicians & Surgeons of Ontario Archives |
608 |
| TD Securities, LLC |
601 |
| Apotex, Inc. |
594 |
| Canada Post Corporation |
593 |
| Coldwell Banker Peter Benninger Realty |
580 |
| CBC / Radio-Canada |
577 |
| Office of the Auditor General of Canada |
560 |
| Thames Valley District School Board |
559 |
| Osler Hoskin |
539 |
| Workplace Safety & Insurance Board |
530 |
| Torys LLP |
525 |
| The Canadian Press |
524 |
| Export Development Canada |
523 |
| Canadian Institutes of Health Research |
518 |
| Stikeman Elliott LLP |
518 |
| Avison Young Commercial Real Estate |
518 |
| Atomic Energy of Canada Limited |
516 |
| Hydro One Inc |
514 |
| Durham College of Applied Arts |
513 |
| Dundee Capital Markets |
512 |
| Toronto Real Estate Board |
502 |
| Toronto District School Board |
497 |
| Sears Canada Inc. |
487 |
| TELUS Mobility |
487 |
| Grand & Toy |
484 |
| Direct Energy Marketing Limited |
484 |
| Corus Entertainment Inc. |
481 |
| Nipissing University |
463 |
| University of Ontario Institute of Technology |
447 |
| Freedom 55 Financial |
440 |
| Magna International Inc |
439 |
| Mount Sinai Hospital |
429 |
| Infrastructure Canada |
429 |
| Office of the Superintendent of Financial Institutions Canada |
422 |
| Celestica Inc. |
395 |
| Maple Leaf Foods Inc. |
391 |
| Co-operators General Insurance Company |
385 |
| Assante Wealth Management and Assante Capital Management Ltd |
384 |
| Mitel Networks Corporation |
380 |
| University of Guelph-Humber |
379 |
| Ontario College of Art |
376 |
| McMillan LLP |
371 |
| Financial Services Commission of Ontario (FSCO) |
369 |
| Liquor Control Board of Ontario (LCBO). |
363 |
| AON Reed Stenhouse |
361 |
| Hatch Ltd. |
356 |
| Toronto Catholic District School Board |
352 |
| The Regional Municipality of Halton |
347 |
| Ontario Lottery and Gaming Corporation |
341 |
| Canadian Medical Association |
341 |
| ABB |
340 |
| Intact Financial Corporation |
335 |
| Royal & Sun Alliance Insurance Company of Canada d/b/a RSA |
330 |
| London Life Insurance Company |
330 |
| St Michael's Hospital |
328 |
| The Credit Valley Hospital |
324 |
| Cassels Brock & Blackwell LLP |
319 |
| The Toronto Star |
317 |
| Natural Sciences and Engineering Research Council of Canada |
314 |
| The Globe and Mail |
309 |
| Revera Inc. |
309 |
| Toyota Motor Manufacturing Canada |
307 |
| Canada School of Public Service |
306 |
| Royal Military College of Canada |
304 |
| Toromont Industries Ltd. |
291 |
| Sun Media Corporation |
290 |
| Davis + Henderson Ltd. |
286 |
| CAMH Centre for Addiction and Mental Health |
286 |
| Humber River Regional Hospital |
284 |
| Labatt Breweries of Canada |
283 |
| Constellation HomeBuilder Systems |
283 |
| Oxford Properties Group Inc. |
280 |
| Livingston International Inc. |
278 |
| Husky Injection Molding Systems Ltd. |
277 |
| Children's Hospital Eastern Ontario |
275 |
| Aviva Canada Inc. |
265 |
| St. Joseph's Health Care, London |
264 |
| Goodmans LLP |
263 |
| Staples Canada |
263 |
| Info-Tech Research Group |
258 |
| Defence Construction Canada |
252 |
| Coldwell Banker Terrequity Realty |
251 |
| ING Direct Canada |
251 |
| Delta Hotels Limited |
249 |
| BDO Canada |
248 |
| Mohawk College of Applied Arts and Technology |
247 |
| Barrick Gold Corporation |
247 |
| Centennial College |
247 |
| McCain Foods |
246 |
| Bruce Power LP |
246 |
| Toronto Hydro Corporation |
245 |
| Brookfield Asset Management Inc. |
242 |
| ENCON Group Inc. |
242 |
| Canadian Blood Services |
239 |
| Progressive Waste Solutions Ltd. |
239 |
| Union Gas Limited |
237 |
| Government of Canada Privy Council Office |
235 |
| Ontario Teachers' Pension Plan |
232 |
| Shred-it |
231 |
| Trent University |
231 |
| Royal Victoria Hospital Foundation |
230 |
| Independent Order of Foresters |
226 |
| Irdeto |
225 |
| The City of Hamilton, Ontario Canada |
225 |
| Canoe.ca |
223 |
| Davies Ward Phillips |
222 |
| Purolator Ltd. |
219 |
| Tim Hortons |
219 |
| North York General Hospital |
218 |
| St. Joseph's Health Centre of Toronto |
216 |
| Women's College Hospital |
216 |
| Region of Peel |
209 |