| Baylor College of Medicine |
12,250 |
| City College of NY |
9,360 |
| State Farm Insurance Companies |
8,103 |
| Bank of America Corporation |
7,126 |
| CIGNA Corporation |
3,996 |
| ADT Security Services, Inc. |
3,981 |
| Exxon Mobil Corporation |
3,157 |
| Shell Oil Company |
3,027 |
| Nationwide Mutual Insurance Company |
2,867 |
| Gap Inc. |
2,681 |
| Walgreen Co. |
2,229 |
| The Corcoran Group |
1,985 |
| Koenig & Strey GMAC Realtors |
1,946 |
| Tyson Foods, Inc. |
1,890 |
| Eastman Kodak Company |
1,784 |
| Fujitsu America, Inc. |
1,757 |
| Sony Corporation of America |
1,567 |
| Sara Lee Corporation |
1,372 |
| Monash University |
1,277 |
| King & Spalding LLP |
1,253 |
| Experian - North America |
1,214 |
| Zurich Financial |
1,170 |
| Manulife Financial Corporation |
1,094 |
| CIBER, Inc. |
1,063 |
| Publix Super Markets, Inc. |
1,049 |
| Robert Half International Inc. |
1,046 |
| KinderCare Learning Centers, Inc. |
1,037 |
| Bechtel Corporation |
1,029 |
| Consolidated Edison Company of New York, Inc. |
1,022 |
| Health Management Associates, Inc. |
972 |
| Marathon Oil Corporation |
959 |
| Avon Products, Inc. |
956 |
| RadioShack Corporation |
911 |
| The Clorox Company |
901 |
| Albertsons LLC |
889 |
| Nielsen Company (US), L.L.C. (The) d/b/a A. C. Nielsen Company, L.L.C. |
857 |
| Colgate-Palmolive Company |
857 |
| Bloomfield Hills (Michigan) Schools |
838 |
| Limited Brands, Inc. |
811 |
| Emerson Process Management |
770 |
| SRA International, Inc. |
769 |
| Jabil Circuit, Inc. |
685 |
| Cintas Corporation |
685 |
| Ecolab Inc. |
683 |
| Parks Canada |
679 |
| CME Group Inc the |
660 |
| YUM! Brands, Inc. |
659 |
| Cox Enterprises, Inc. |
657 |
| Equifax Inc. |
620 |
| United Business Media LLC |
616 |
| Michaels Stores, Inc. |
616 |
| Ziff Davis Media Inc. |
595 |
| Valvoline Instant Oil Change |
581 |
| Heenan Blaikie LLP |
570 |
| Softchoice Corporation |
553 |
| Safeco Corporation |
550 |
| Terminix |
536 |
| Eversheds LLP |
524 |
| Aamco Transmissions |
515 |
| Dow Corning Corporation |
498 |
| Great American Financial Resource Inc |
492 |
| American Greetings Corporation |
481 |
| Giant Eagle, Inc. |
476 |
| Shaw Industries, Inc. |
465 |
| Arup Group Ltd. |
461 |
| Meijer, Inc. |
451 |
| Underwriters Laboratories Inc. |
450 |
| Fairmont Hotels |
448 |
| Allianz Life |
434 |
| Tampa Tribune (The) |
429 |
| Omnicare, Inc. |
425 |
| Conseco, Inc. |
413 |
| OSI Restaurant Partners, LLC |
405 |
| AutoNation, Inc. |
402 |
| One Communications |
401 |
| Washington State Dept of Transportation |
401 |
| Manheim |
401 |
| HealthPartners |
386 |
| GATX Corporation |
383 |
| Service Corporation International |
381 |
| OGE Energy Corp. |
356 |
| The Western and Southern Life Insurance Company |
353 |
| FedEx Office |
351 |
| Farm Bureau Financial Services |
343 |
| Premier, Inc. |
341 |
| Auto Club Group |
336 |
| Northwestern Memorial Healthcare |
332 |
| HeroTSC |
332 |
| Hy-Vee, Inc. |
327 |
| G&K Services, Inc. |
325 |
| LensCrafters, Inc. |
313 |
| Grange Mutual Casualty Company |
309 |
| Hendrick Automotive Group |
306 |
| Aviva |
304 |
| Plante & Moran, LLP |
304 |
| Automobile Club of Southern California |
304 |
| Penske Automotive Group, Inc. |
303 |
| Deacons |
302 |
| InterTek, Inc. |
301 |
| Williams & Connolly |
298 |
| Cincinnati Financial Corporation |
296 |
| Lifetouch Inc. |
290 |
| S.A. Comunale Co., Inc. |
289 |
| LucasGroup |
286 |
| Electrolux Home Products, NA |
284 |
| RCMP - Royal Canadian Mounted Police |
283 |
| Office Team |
281 |
| Home Instead Senior Care |
278 |
| Dollar General Corporation |
270 |
| Precision Tune Auto Care |
268 |
| Discus Dental, LLC |
265 |
| Shelter Mutual Insurance Company |
255 |
| Goodmans LLP |
252 |
| The Institute Of Internal Auditors |
246 |
| Bright Horizons Family Solutions, Inc. |
236 |
| McAfee Inc |
233 |
| SIMS Group |
232 |
| Danbury Public Schools |
230 |
| UniFirst Corporation |
229 |
| Alion Science and Technology Corporation |
228 |
| Sophos, Inc. |
225 |
| Orkin, Inc. |
222 |
| RSC Equipment Rental, Inc. |
221 |
| CarMax, Inc. |
218 |
| Connexions Tees Valley |
216 |
| EMC Insurance |
216 |
| Jiffy Lube International, Inc. |
213 |
| Solano County Office of Education |
212 |
| Westfield Insurance Company |
210 |
| LIFE TIME FITNESS, Inc. |
210 |
| Ask.com |
208 |
| Catalina Marketing Corporation |
207 |
| RLI Corp. |
205 |
| Ipsos-Reid Corporation |
204 |
| Jo-Ann Stores, Inc. |
204 |
| Gold's Gym - Reynolda |
203 |
| Aaron's, Inc. |
200 |
| Rollins, Inc. |
198 |
| American Modern Insurance Group |
197 |
| Maersk, Inc. |
196 |
| Ohio National Financial Services |
193 |
| Cox |
190 |
| Sotheby's Holdings, Inc. |
189 |
| Evansville Courier |
188 |
| Phillips Lytle L.L.P. |
187 |
| Ducks Unlimited, Inc. |
184 |
| Blue Cross & Blue Shield of Rhode Island |
183 |
| Foremost Insurance Company |
181 |
| Rutan |
181 |
| Sheetz, Inc. |
181 |
| William Morris Agency, Inc. |
179 |
| AREVA T&D Inc |
179 |
| Great Clips Inc |
178 |
| Delta Hotels Limited |
177 |
| Anchor Trust |
176 |
| Georgetown Public Schools |
173 |
| Warburg Pincus LLC |
172 |
| National History Museum |
172 |
| Nash Finch Company |
170 |
| Kentucky Farm Bureau Mutual Insurance |
169 |
| Tractor Supply Company, Inc. |
164 |
| NPOWER |
163 |
| Medical Mutual of Ohio |
163 |
| Scottish Power |
163 |
| Ungaretti & Harris LLP |
160 |
| Prudential Verani Realty Inc |
160 |
| 1-800-FLOWERS.COM, Inc. |
158 |
| Rubin Postaer and Associates |
157 |
| Region of Peel |
152 |
| Alsco, Inc. |
150 |
| Lash Group Healthcare Cons |
149 |
| WAIS MedClub |
148 |
| Weight Watchers International |
147 |
| Central Parking Corporation |
147 |
| OnStar Corporation |
146 |
| SolidWorks Corporation |
145 |
| McDonald's Restaurants Ltd |
145 |
| American Residential Services, LLC |
144 |
| Ray Catena Motors |
144 |
| Six Flags Corp. |
143 |
| Stork Twin City Testing Co |
143 |
| Stewart McKelvey Stirling Scales |
142 |
| Slaughter and May |
140 |
| InsideView, Inc. |
139 |
| Blum Shapiro |
139 |
| Titan Communications Group |
139 |
| United for Families |
138 |
| Safelite AutoGlass |
138 |
| ValleyCrest Companies |
134 |
| Bird & Bird |
132 |
| Sai People Solutions, Inc |
131 |
| Press Ganey Associates, Inc. |
131 |
| West Bend Mutual Insurance Co |
131 |
| Coverall Cleaning Concepts |
129 |
| CASES, Inc |
129 |
| Sarcom |
128 |
| Tom James Company |
128 |
| National Recreation and Park Association |
128 |
| Forum Communications Company |
128 |
| Ryan Herco Products Corp. |
127 |
