| United States Department of Health and Human Services |
52,214 |
| Government of Ontario, Canada |
33,730 |
| University of Iowa |
33,427 |
| University of Michigan |
30,914 |
| The University of Georgia |
26,826 |
| State of Connecticut |
19,785 |
| Government of Alberta |
18,361 |
| Abbott Laboratories |
15,847 |
| CB Richard Ellis Group, Inc. |
14,776 |
| Public Works and Government Services Canada (PWGSC) |
12,441 |
| National University of Singapore |
9,833 |
| City College of NY |
9,405 |
| Fairfax County Public Schools |
7,061 |
| Weichert Realtors |
6,890 |
| Veterans Health Administration |
6,397 |
| City of Ottawa |
6,378 |
| University of Wollongong |
6,107 |
| San Jose State University |
5,978 |
| University of South Australia |
5,877 |
| UC Riverside |
5,874 |
| GlaxoSmithKline plc. |
5,867 |
| Hilton Worldwide |
5,857 |
| University of Otago |
5,646 |
| Long & Foster Real Estate, Inc. |
5,487 |
| SAP America, Inc. |
5,427 |
| Kent State University |
5,237 |
| State University of New York, University at Buffalo |
5,149 |
| Centers for Disease Control and Prevention |
5,025 |
| State of Texas (USA) |
4,913 |
| Marriott International, Inc. |
4,863 |
| University of Victoria |
4,674 |
| Service Canada |
4,660 |
| Novartis Corporation |
4,650 |
| Windermere Services Company |
4,606 |
| Prince William Sound Community College |
4,359 |
| Schering-Plough Corporation |
4,313 |
| Prudential Financial, Inc. |
4,311 |
| University of Nevada, Las Vegas |
4,234 |
| AstraZeneca PLC |
4,222 |
| American Express Company |
4,210 |
| Colliers International Property Consultants, Inc. |
4,192 |
| Princeton University |
4,075 |
| Subway |
3,989 |
| 3M Company |
3,981 |
| Boston Scientific Corporation |
3,973 |
| Deakin University |
3,869 |
| Federal Government Of United Kingdom |
3,846 |
| University of Puget Sound |
3,767 |
| University of Glasgow |
3,748 |
| Delaware Technical & Community College Central Office |
3,634 |
| Memorial Health Services |
3,615 |
| Georgia Southern University |
3,559 |
| University of Cape Town |
3,549 |
| St Petersburg College |
3,367 |
| Procter & Gamble Company |
3,342 |
| Eli Lilly and Company |
3,257 |
| Unversity Of Bristol FRPERC |
3,232 |
| Suffolk County Community College |
3,187 |
| University of Connecticut Health Center |
3,136 |
| University of Arkansas |
3,114 |
| Genzyme Corporation |
3,033 |
| City of Richmond - Virginia |
3,031 |
| University of Texas Arlington |
3,008 |
| The College of William & Mary |
2,976 |
| British Telecom Group Plc |
2,944 |
| Ivy Tech Community College |
2,860 |
| Alcatel-Lucent Technologies Inc. |
2,858 |
| McKesson Corporation |
2,846 |
| EMCOR Group, Inc. |
2,740 |
| Gannett Co., Inc. |
2,717 |
| Brown University |
2,560 |
| Sanofi-Aventis U.S. LLC |
2,546 |
| Bonneville Power Administration |
2,532 |
| WellPoint Inc |
2,461 |
| Tarrant County Junior College |
2,442 |
| Lansing Community College |
2,380 |
| University of Salford |
2,324 |
| NetApp Inc |
2,302 |
| Reading School District |
2,301 |
| Board Education Prince George County |
2,281 |
| University of Denver |
2,241 |
| Tribune Company |
2,201 |
| University of Colorado Hospital |
2,183 |
| Turner Broadcasting System - Time Warner |
2,156 |
| The Hearst Corporation |
2,133 |
| Kirkland & Ellis LLP |
2,108 |
| TIAA-CREF |
2,081 |
| Cushman |
2,054 |
| Pasadena City College |
2,045 |
| California State Polytechnic University, Pomona |
2,043 |
| ConocoPhillips Company |
2,023 |
| National-Louis University |
2,022 |
| Housing and Urban Development |
1,993 |
| California State University, Los Angeles |
1,922 |
| Hofstra University |
1,895 |
| University of Rhode Island |
1,877 |
| Becton, Dickinson and Company |
1,868 |
| Curtin University of Technology |
1,865 |
| Allergan, Inc. |
1,859 |
| Algonquin College |
1,828 |
| Seattle Community College District |
1,820 |
| City of Lincoln Nebraska |
1,786 |
| Brigham Young University of Hawaii |
1,775 |
| CVS / Caremark Corporation |
1,750 |
| Collin County Community College District |
1,714 |
| US Small Business Administration |
1,698 |
| North Carolina Central University |
1,687 |
| Clifford Chance US LLP |
1,666 |
| The College of New Jersey |
1,648 |
| Central New Mexico Community College |
1,637 |
| Salt Lake Community College |
1,630 |
| The Coca-Cola Company |
1,615 |
| United Technologies Corporation |
1,613 |
| Autodesk, Inc. |
1,589 |
| First Data Corporation |
1,583 |
| Fordham University |
1,560 |
| Coastal Carolina University |
1,540 |
| Intercontinental Hotels Group |
1,538 |
| eBay Inc. |
1,534 |
| Pitney Bowes Inc. |
1,527 |
| University of South Florida |
1,524 |
| State of California, Department of Education |
1,462 |
| Faculty of Business and Economics Counter Student Service Centre |
1,462 |
| Federal Bureau of Prisons |
1,460 |
| Ropes & Gray LLP |
1,454 |
| McAfee, Inc. |
1,454 |
| Joliet Junior College |
1,451 |
| Assurant Inc. |
1,437 |
| Dow Jones & Company |
1,436 |
| Grand Rapids Community College |
1,434 |
| American Red Cross |
1,425 |
| AFLAC Incorporated |
1,424 |
| Federal Communications Commission |
1,414 |
| University Of Pennsylvania |
1,414 |
| Stryker |
1,399 |
| The New York Times Company |
1,383 |
| Southern Company |
1,382 |
| Southern Connecticut State University |
1,376 |
| University of Northern Colorado |
1,374 |
| Utah State Courts |
1,368 |
| Lee County School District |
1,357 |
| United States Department of Commerce |
1,329 |
| Deere & Company |
1,326 |
| The Conde Nast Publications Inc. |
1,303 |
| Columbia College Chicago |
1,299 |
| American Airlines |
1,280 |
| Kohl's Corporation |
1,270 |
| Northeastern Illinois University |
1,267 |
| The Institute of Electrical and Electronics Engineers, Inc. |
1,259 |
| Kroger Co. |
1,234 |
| Otis Elevator Company |
1,225 |
| Robert Morris University |
1,214 |
| Pacific Lutheran University |
1,209 |
| Novo Nordisk Pharmaceuticals |
1,196 |
| Fiserv, Inc. |
1,190 |
| California State University, Northridge |
1,176 |
| AECOM |
1,161 |
| Rowan University |
1,142 |
| Morehead State University |
1,135 |
| Alcon Laboratories Inc |
1,131 |
| University of Sydney |
1,130 |
| Wesleyan University |
1,129 |
| Anadarko Petroleum Corporation |
1,116 |
| Wichita Public Schools USD #259 |
1,112 |
| Delphi Corporation |
1,110 |
| iGate Corporation |
1,101 |
| LifePoint Hospitals, Inc. |
1,089 |
| Kellogg Company |
1,086 |
| Brevard Community College |
1,084 |
| Monsanto |
1,078 |
| Temasek Polytechnic |
1,068 |
| Electronic Arts Inc. |
1,065 |
| Debevoise & Plimpton LLP |
1,058 |
| Foot Locker, Inc. |
1,058 |
| ABN AMRO Corporate and Institutional Banking |
1,057 |
| Cognizant Technology Solutions Corporation |
1,053 |
| ConAgra Foods, Inc. |
1,051 |
| Corning Incorporated |
1,050 |
| Publix Super Markets, Inc. |
1,045 |
| San Jose Community College |
1,042 |
| Community Health Systems, Inc. |
1,041 |
| Black Box Corporation |
1,034 |
| California Air Resources Board |
1,034 |
| Sonoma State University |
1,033 |
| The Black & Decker Corporation |
1,032 |
| Bechtel Corporation |
1,030 |
| Freddie Mac/Federal Home Loan Mortgage Corporation |
1,028 |
| Hopewell Valley Regional School District |
1,024 |
| Discovery Communications, Inc. |
1,022 |
| State of Delaware |
1,010 |
| AAA Washington |
1,003 |
| Prairie View A&M University |
1,003 |
| DTE Energy Company |
1,001 |
| Wilson, Elser, Moskowitz, Edelman & Dicker LLP |
995 |
| AXA Financial, Inc. |
991 |
| Skadden, Arps, Slate, Meagher & Flom LLP |
990 |
| College of the Sequoias |
986 |
| Mattel, Inc. |
982 |
| Air Products and Chemicals, Inc. |
980 |
| Digital Insight Corporation |
980 |
