| University of Colorado Denver |
6,163 |
| University of Colorado System |
5,624 |
| Starwood Hotels and Resorts Worldwide, Inc. |
2,385 |
| CH2M HILL Companies, Ltd. |
2,331 |
| Colorado State University |
2,274 |
| University of Denver |
2,241 |
| University of Colorado Hospital |
2,183 |
| Qwest Communications International Inc. |
2,085 |
| Regis University |
1,798 |
| First Data Corporation |
1,583 |
| State of Colorado |
1,502 |
| University of Northern Colorado |
1,374 |
| Western Area Power Administration |
1,201 |
| Ball Corporation |
944 |
| Holland |
943 |
| Metropolitan State College of Denver |
938 |
| Banner Health |
814 |
| Western Union Company |
698 |
| tw telecom Inc |
672 |
| Molson Coors Brewing Company |
649 |
| The Hershey Company |
637 |
| Oppenheimer Funds Services |
619 |
| Xcel Energy Inc. |
591 |
| Corporate Express, Inc. |
584 |
| Gates Corporation |
583 |
| Centura Health |
518 |
| Fort Lewis College |
495 |
| DISH Network Corporation |
487 |
| Jeffco Public Schools |
461 |
| Colorado Mountain College |
438 |
| Gambro Renal Products |
428 |
| University Corporation for Atmospheric Research |
413 |
| Holme Roberts & Owen LLP |
407 |
| Coldwell Banker - Colorado Homes |
399 |
| Littleton Public Schools |
398 |
| Denver Public Schools |
395 |
| Otsuka Maryland Research Institute |
383 |
| Red Robin International, Inc |
360 |
| TeleTech Holdings, Inc. |
357 |
| Apartment Investment and Management Company |
348 |
| Aurora Public Schools |
343 |
| ProLogis |
315 |
| Emergency Medical Services Corporation |
309 |
| Brownstein Hyatt Farber Schreck, LLP |
303 |
| Colorado School of Mines |
294 |
| Western State College of Colorado |
291 |
| Janus Capital Group Inc. |
288 |
| Community College of Denver |
279 |
| City |
279 |
| Johns Manville Corporation |
274 |
| Arapahoe Community College |
270 |
| University Physicians, Inc. |
258 |
| Red Rocks Community College |
257 |
| Prestige Real Estate Group |
249 |
| Big O Tires, Inc. |
244 |
| CSG Systems International Inc. |
239 |
| Frontier Airlines, Inc. |
238 |
| Denver Post |
236 |
| Jeppesen |
233 |
| HCA-HealthONE, LLC |
231 |
| Starz Encore Group LLC |
224 |
| The Sports Authority, Inc. |
224 |
| Auraria Higher Education Center |
209 |
| The Group Inc. of Greeley |
208 |
| Newmont Mining Corporation |
195 |
| Jackson Kelly PLLC |
188 |
| Gunnison Watershed School district |
184 |
| Vail Resorts Management Company |
181 |
| Sunrise Medical |
180 |
| Quiznos |
178 |
| WhiteWave Foods Company |
173 |
| Naropa University |
170 |
| Northeastern Junior College; Sterling Colorado |
165 |
| The Denver Newspaper Agency LLP |
164 |
| Vistar/VSA Corporation |
164 |
| Destination Hotels |
164 |
| Hensel Phelps Construction Co. |
164 |
| Community College of Aurora |
160 |
| The City and County of Denver |
160 |
| National Jewish Medical Center |
160 |
| Mesa State College |
153 |
| Spectra Logic Corporation |
150 |
| Global Healthcare Exchange, LLC |
148 |
| Intrado Inc. |
148 |
| Starkey Laboratories, Inc. |
147 |
| Sherman & Howard L.L.C. |
146 |
| Denver Health and Hospital Authority |
144 |
| Tri-State Generation and Transmission Association, Inc. |
141 |
| Cobank Colorado |
141 |
| Exempla Healthcare |
141 |
| Forest Oil Corporation |
140 |
| Slifer Smith |
140 |
| Colorado Community College System |
139 |
| TouchStar Software Corp |
139 |
| Archstone-Smith Trust |
138 |
| Qdoba Restaurant Corporation |
135 |
| Boulder Valley Public Schools |
135 |
| Coram Healthcare Corporation |
132 |
| Davis Graham |
127 |
| Boulder Publishing Inc |
126 |
| City of Lafayette Co. |
125 |
| City of Golden |
122 |
| Larimer County, Colorado |
122 |
| City of Boulder, Co. |
122 |
| Leprino Foods Company |
120 |
| Golden City Hall |
120 |
| United Agri Products, Inc. |
117 |
| Regis Jesuit High School |
117 |
| City of Fort Collins |
116 |
| 9NEWS |
115 |
| Fitness Together |
114 |
| Vectra Bank-Colorado |
114 |
| Alternative Technology, Inc. |
114 |
| MacDermid, Incorporated |
111 |
| FirstBank Holding Company |
109 |
| Aurora City |
109 |
| Rothgerber Johnson |
108 |
| Accuvant, Inc. |
105 |
| Platte Valley Medical Center |
105 |
| ORICA USA, Inc. |
104 |
| DigitalGlobe Inc. |
103 |
| Noodles & Co |
101 |
| Republic Financial Corporation |
101 |
| Crocs, Inc. |
101 |
| Baxa Corporation |
100 |
| Metro Brokers/Realty Oasis |
100 |
| Poudre Valley Health System |
99 |
| Arapahoe County Government |
98 |
| CoorsTek, Inc. |
96 |
| Morgan Community College |
94 |
| Array BioPharma Inc. |
94 |
| Cherry Creek School Dst 5 |
94 |
| Adams 12 Five Star Schools |
93 |
| Saint Mary's Hospital |
92 |
| CableLabs Cable Television Laboratories, Inc. |
91 |
| University of Colorado System Office |
90 |
| Regional Transportation District |
89 |
| Vail Valley Medical Center |
88 |
| Merrick & Company |
88 |
| AORN, Association of Operative Registered Nurses |
88 |
| Cimarex Energy Co. |
87 |
| Aurora Loan Services, A Lehman Brothers Company |
87 |
| Policy Studies Inc. |
85 |
| eCollege.com |
85 |
| Lakewood City Clerk's Office |
84 |
| Fuller |
82 |
| Advanced Systems Group, Inc. |
82 |
| StarTek, Inc. |
82 |
| Greeley Daily Tribune |
82 |
| CoBiz Inc. |
82 |
| St Vrain Valley School District |
82 |
| Re/Max Alliance |
82 |
| American Water Works Association |
81 |
| United General Title Insurance Company |
80 |
| Advanced Energy Industries, Inc. |
80 |
| Boston Market Corporation |
80 |
| Colorado Bar Association |
80 |
| Colorado Christian University |
79 |
| Pillar to Post Professional Home Inspection |
79 |
| New Belgium Brewing Company Inc. |
79 |
| KMGH-TV (ABC 7) |
79 |
| CaridianBCT, Inc. |
79 |
| M.D.C. Holdings, Inc. |
77 |
| National Business Media, Inc. |
77 |
| ACT Teleconferencing, Inc. |
77 |
| Educause |
75 |
| TIC - The Industrial Company |
75 |
| Mesa County Valley Public Schools 51 |
75 |
| City of Wheat Ridge Co. |
73 |
| Poudre School District |
72 |
| 3T Systems Inc |
71 |
| Wagner Equipment Company |
71 |
| Era Tradewind |
71 |
| Automated Packaging Systms Inc. |
71 |
| Mc Whinney Enterprises |
71 |
| 5280 Solutions Incorporated |
70 |
| Denver Investment Advisors |
70 |
| Simpson Housing LP |
70 |
| Whiting Petroleum Corporation |
70 |
| National Conference of State Legislator |
70 |
| Boulder County Information Services |
70 |
| Kennedy Childs |
70 |
| First Western Trust Bank |
70 |
| National Cattlemen's Beef Association |
69 |
| Fort Collins-Loveland Municipal Airport |
69 |
| Quark, Inc. |
69 |
| MarkWest Energy Partners, L.P. |
69 |
| Sundyne Corporation |
69 |
| Mincom |
69 |
| ELA Medical LLC |
69 |
| Land Title Guarantee Company |
69 |
| RE/MAX of Boulder - Andrea Scarsi Taydus |
69 |
| FirsTier Bank |
69 |
| Richard M Russo Attorney |
69 |
| Virtela Communications, Inc. |
68 |
| Vericept Corporation |
68 |
| Handyman Matters, Inc. |
68 |
| Zayo Group |
68 |
| Boulder Community Hospital |
66 |
| Center Partners, Inc. |
66 |
