| Company | Number of Racers | CO2(lbs) Saved | CO2 Neutral Miles |
| San Francisco Public Library | 47 | 1865 | 1736 |
| San Francisco Public Utilities Commission | 122 | 18285 | 17025 |
| Sandia National Laboratories | 64 | 6491 | 6044 |
| Sellers Markets | 13 | 0 | 0 |
| Serious Materials | 10 | 4131 | 3847 |
| SFO Airport Commission | 3 | 184 | 171 |
| Shelter Network | 23 | 4579 | 4263 |
| Slide, Inc. | 13 | 228 | 212 |
| Space Systems Loral | 38 | 8984 | 8365 |
| Spencer and Daniels Wine Outlet | 0 | 0 | 0 |
| Stanford University, Hospital, and Clinics | 482 | 51197 | 47669 |
| State Compensation Ins Fund | 7 | 640 | 596 |
| SYSTIME Computer Corporation | 3 | 2684 | 2499 |
| TechExcel, Inc. | 0 | 0 | 0 |
| TemPositions | 2 | 0 | 0 |
| The Regeneration Project | 0 | 0 | 0 |
| Third Planet Windpower LLC | 3 | 32 | 30 |
| Toolup Professional Contractor Supplies | 0 | 0 | 0 |
| TY Lin International | 6 | 644 | 600 |
| U.S. General Services Administration | 63 | 78825 | 73394 |
| Underwriters Laboratories Inc. | 6 | 3123 | 2907 |
| United States Environmental Protection Agency, Region 9 | 66 | 3097 | 2884 |
| University of California, San Francisco | 6 | 350 | 326 |
| ValleyCare Health System | 8 | 3485 | 3245 |
| Virgin America | 46 | 5729 | 5335 |
| Walter P Moore | 5 | 0 | 0 |
| Workday | 23 | 4537 | 4224 |
| Yahoo! Inc. | 155 | 73575 | 68506 |
| 511 Contra Costa | 1 | 1010 | 940 |
| 511 Rideshare | 10 | 567 | 528 |
| Addison Avenue Federal Credit Union | 2 | 0 | 0 |
| Adobe Systems Inc. | 10 | 522 | 486 |
| Agilent Technologies - Santa Clara | 42 | 3858 | 3592 |
| Agilent Technologies -- Santa Rosa Site | 26 | 4397 | 4094 |
| AirTreks | 15 | 2613 | 2433 |
| Alameda County - Supervisor Scott Haggerty | 6 | 0 | 0 |
| Alameda County Transportation Commission | 10 | 2964 | 2759 |
| Alfa Tech | 4 | 580 | 540 |
| Allen Matkins | 0 | 0 | 0 |
| Allied Waste Services | 1 | 0 | 0 |
| AMC Entertainment | 3 | 1344 | 1252 |
| AT&T | 29 | 3062 | 2851 |
| Aviat Networks | 56 | 19341 | 18009 |
| Bay Area Air Quality Management District | 60 | 10975 | 10219 |
| Bay Area Bicycle Coalition | 0 | 0 | 0 |
| BayStreet Research | 7 | 1945 | 1811 |
| bebe stores, inc. | 11 | 2563 | 2387 |
| Bloomingdale's | 1 | 0 | 0 |
| Breakthrough Collaborative | 1 | 0 | 0 |
| Brereton Architects | 0 | 0 | 0 |
| Burr Pilger Mayer, Inc. | 1 | 0 | 0 |
| California Academy of Sciences | 86 | 7567 | 7045 |
| Calpine Corporation | 0 | 0 | 0 |
| CBRE | 1 | 177 | 165 |
| CCSF | 16 | 1486 | 1383 |
| Chancellor Hotel on Union Square | 3 | 0 | 0 |
| Chronicle Books | 1 | 0 | 0 |
| Cisco Systems | 23 | 6814 | 6345 |
| Citizen Chain Cyclery | 0 | 0 | 0 |
| CITY & COUNTY OF S F | 3 | 37 | 34 |
| City & County of San Francisco - Board of Supervisors | 21 | 1002 | 933 |
| City & County of San Francisco - Department of Building Inspection | 11 | 3429 | 3193 |
| City & County of San Francisco - Real Estate Dept | 4 | 0 | 0 |
| City & County of San Francisco – Airport | 18 | 6250 | 5819 |
| City & County of San Francisco—Department of Human Resources | 5 | 54 | 50 |
| City and County of San Francisco - Civil Service Commission | 3 | 645 | 601 |
| City and County of San Francisco - Office of Contract Administration | 2 | 720 | 670 |
| City and County of San Francisco - Planning Department | 18 | 301 | 280 |
| City and County of San Francisco - SF Employees' Retirement System | 1 | 0 | 0 |
| City and County of San Francisco- Department of the Environment | 42 | 4185 | 3896 |
| City of Belmont | 1 | 0 | 0 |
| City of Dublin | 14 | 3780 | 3520 |
| City of Foster City | 5 | 527 | 491 |
| City of Hayward | 2 | 1423 | 1325 |
| City of Livermore | 12 | 2241 | 2086 |
| City of Millbrae | 7 | 1257 | 1171 |
| City of Milpitas | 9 | 3829 | 3565 |
| City of Mountain view | 33 | 9109 | 8481 |
| City of Palo Alto | 86 | 13848 | 12894 |
| City of Pleasanton | 31 | 2887 | 2688 |
| City of San Jose | 2 | 148 | 138 |
| City of San Ramon | 5 | 56 | 52 |
| City of Sunnyvale | 22 | 6971 | 6491 |
| Cloudera, Inc. | 2 | 0 | 0 |
| Coast Guard Civil Engineering Unit Oakland | 18 | 5565 | 5181 |
| Common Sense Media | 1 | 0 | 0 |
| Community Focus - Tides Center | 0 | 0 | 0 |
| County of San Mateo | 136 | 21682 | 20188 |
| County of Santa Clara | 202 | 35544 | 33095 |
| Crane Pest Control | 4 | 279 | 260 |
| David Baker + Partners | 0 | 0 | 0 |
| Davis Wright Tremaine LLP | 31 | 10544 | 9817 |
| DigitalPersona | 3 | 1203 | 1120 |
| Dublin San Ramon Services District | 1 | 0 | 0 |
| Dublin Unified School District | 21 | 1794 | 1670 |
| ecology and environment, inc. | 12 | 1684 | 1568 |
| EMPSi (Environmental Management and Planning Solutions, Inc.) | 7 | 2085 | 1941 |
| Exploratorium | 45 | 4022 | 3745 |
| facebook | 57 | 8215 | 7649 |
| Farella Braun + Martel | 34 | 8800 | 8194 |
| Fehr & Peers Transportation Consultants | 25 | 3439 | 3202 |
| Ferry Plaza Seafood | 1 | 0 | 0 |
| First Solar | 15 | 2998 | 2791 |
| Flashbay Inc | 0 | 0 | 0 |
| Ford Graphics | 0 | 0 | 0 |
| GaryAir | 0 | 0 | 0 |
| Gilead Sciences, Inc. | 133 | 31187 | 29038 |
| Glumac | 10 | 838 | 780 |
| Golden Gate National Recreation Area | 45 | 3868 | 3602 |
| Good Vibrations | 5 | 1380 | 1285 |
| Grid Net, Inc. | 1 | 0 | 0 |
| Hacienda Owners Association | 3 | 165 | 154 |
| Herrero Contractors, Inc. | 6 | 1002 | 933 |
| Hines | 12 | 4311 | 4014 |
| HOWREY LLP | 10 | 216 | 201 |
| Immune Enhancement Project | 0 | 0 | 0 |
| Incredible Adventures | 2 | 75 | 70 |
| JTB International, Inc. | 3 | 129 | 120 |
| Juniper Networks | 119 | 21955 | 20442 |
| Kaiser - 501 Lennon Lane | 20 | 4910 | 4572 |
| kaiser permanente | 0 | 0 | 0 |
| Kaiser Permanente - Oakland Regional Offices | 172 | 45525 | 42388 |
| Kaiser Permanente - Redwood City | 20 | 2333 | 2172 |
| KP | 2 | 198 | 185 |
| KTVU | 4 | 387 | 360 |
| Lawrence Berkeley National Laboratory | 133 | 3870 | 3603 |
| Lawrence Livermore National Lab | 113 | 10163 | 9463 |
| LifeTechnologies | 0 | 0 | 0 |
| Lockheed Martin Space Systems Company | 41 | 11738 | 10929 |
| LSA Associates, Inc. | 9 | 1046 | 974 |
| m + w u.s., inc. | 1 | 516 | 480 |
| m + w us inc | 0 | 0 | 0 |
| Mozilla | 14 | 387 | 361 |
| Nektar | 23 | 5862 | 5458 |
| NVIDIA | 20 | 50084 | 46633 |
| Opinion Dynamics | 1 | 0 | 0 |
| Oracle - Pleasanton | 174 | 26528 | 24700 |
| Oracle Redwood City | 125 | 16954 | 15786 |
| Peninsula Traffic Congestion Relief Alliance | 5 | 2355 | 2192 |
| Pestec Integrated Pest Management Providers | 0 | 0 | 0 |
| Planet Moon Studios | 24 | 5204 | 4846 |
| Portola Pharmaceuticals | 12 | 2335 | 2174 |
| Publicis Groupe | 10 | 0 | 0 |
| Pulsar Vascular | 2 | 124 | 115 |
| REI San Carlos | 0 | 0 | 0 |
| REI-San Francisco | 15 | 1747 | 1627 |
| Riezebos Holzbaur Group | 12 | 2779 | 2588 |
| Safeway Inc. | 28 | 4969 | 4627 |
| San Francisco 311 Customer Service Center | 23 | 4233 | 3942 |
| San Francisco City Admin/General Services Agency | 13 | 1150 | 1071 |
| San Francisco County Transportation Authority | 25 | 4239 | 3947 |
| San Francisco Department of Public Works | 83 | 3722 | 3466 |
| San Francisco Maritime National Historical Park | 18 | 9275 | 8636 |
| San Francisco Municipal Transportation Agency | 42 | 4723 | 4398 |
| San Francisco Office of Citizen Complaints | 5 | 2387 | 2223 |