| 01 | City of Phoenix |
| 02 | Alameda County |
| 03 | Denver International Airport |
| 04 | Miami-Dade County |
| 05 | Department of the Air Force |
| 06 | UCLA |
| 07 | City Furniture |
| 08 | City of Durham |
| 09 | City of New York |
| 10 | County of Ventura |
| 11 | County of Sacramento |
| 12 | UCI Irvine |
| 13 | City of Dublin |
| 14 | DC Department of Public Works |
| 15 | King County |
| 16 | Prince George County |
| 17 | Portland |
| 18 | City of Tallahassee |
| 19 | County of Santa Clara |
| 20 | DeKalb County |
| 21 | Salt River Project |
| 22 | Pierce Transit |
| 23 | Cobb County |
| 24 | City of Riverside |
| 25 | City of Long Beach |
| 26 | City of San Diego |
| 27 | Chesterfield County |
| 28 | University of Virginia |
| 29 | Union Chimique Belge |
| 30 | Port Authority of NY & NJ |
| 31 | City of Charlotte |
| 32 | University of California Davis |
| 33 | City of Fort Lauderdale |
| 34 | National Renewable Energy Laboratory |
| 35 | City of Atlanta |
| 36 | CPS Energy |
| 37 | Hennepin County |
| 38 | West Valley Construction |
| 39 | State of Delaware |
| 40 | City of Birmingham |
| 41 | Town of Cary |
| 42 | City of Alexandria |
| 43 | City of Miami Beach |
| 44 | Laketran |
| 45 | Town of Warrenton |
| 46 | City of Thousand Oaks |
| 47 | City of Albany |
| 48 | Blossman Gas |
| 49 | City of Brampton |
| 50 | Hawaiian Electric |
