| Abacus Auto Body & Paint | 2 | 4 | 328.48 |
| Agilent Technologies | 1 | 4 | 775.82 |
| Agilent Technologies, Inc | 17 | 43 | 8,993.97 |
| Aj'S Quick Clean Center | 2 | 2 | 865.55 |
| Akins Body Shop Inc | 2 | 8 | 3,096.98 |
| Alta Mesa Improvement Company | 1 | 2 | 0.00 |
| Alza Corporation | 3 | 5 | 728.05 |
| Alza Corporation | 1 | 1 | 40.80 |
| Amp Incorporated | 1 | 1 | 6.60 |
| Arts Bodycraft Inc | 3 | 7 | 1,697.94 |
| Aydin Corporation | 2 | 2 | 0.32 |
| Beckman Coulter | 1 | 7 | 2,324.80 |
| California Avenue Norge Villag | 2 | 2 | 1,745.00 |
| Cardinal Cleaners Inc | 1 | 1 | 472.18 |
| Cardinal Cogen A Joint Venture | 9 | 29 | 1,155.35 |
| Cardinal Cogen Inc | 6 | 36 | 543,324.57 |
| Cavallino Rampante Ltd | 3 | 14 | 14,868.83 |
| Charleston Cleaners | 1 | 1 | 655.65 |
| City Of Palo Alto Landfill | 18 | 26 | 76,946.87 |
| City Of Palo Alto Utilities De | 6 | 24 | 57,186.95 |
| Communications & Power Industr | 15 | 33 | 8,310.94 |
| Crystal Technology, Inc | 2 | 5 | 1,612.51 |
| Dow Jones & Company, Inc | 1 | 4 | 19,945.20 |
| Dpix Llc | 5 | 12 | 22,428.87 |
| Emerson Cleaners | 1 | 1 | 675.00 |
| Gemfire Corporation | 3 | 3 | 3.09 |
| Genencor International | 8 | 16 | 6,606.96 |
| Hewlett-Packard Company | 5 | 14 | 2,694.05 |
| Hewlett-Packard Company | 2 | 4 | 176.14 |
| Holiday Cleaners | 2 | 2 | 1,375.31 |
| Ideo Product Development | 3 | 5 | 379.99 |
| La Cream De Cafe | 3 | 3 | 0.15 |
| Leonardini Property C/O Brunsi | 1 | 1 | 1.52 |
| Lockheed Martin Corporation, M | 3 | 3 | 148.03 |
| Lockheed Martin Corporation, M | 2 | 2 | 69.18 |
| Lotus Printing Corp | 1 | 3 | 1,598.00 |
| Maaco Auto Painting & Bodywork | 1 | 3 | 5,644.66 |
| Mathews Carlsen Body Works | 1 | 2 | 2,112.45 |
| Omega Printing | 1 | 2 | 448.50 |
| Pacific Bell | 6 | 6 | 1,487.82 |
| Palo Alto Coffee Roasting Comp | 2 | 2 | 0.19 |
| Palo Alto Landfill And Recycling Center | 28 | 28 | 4,727.62 |
| Palo Alto One Hour Martinizing | 1 | 1 | 582.80 |
| Palo Alto Regional Water Quali | 21 | 60 | 63,679.55 |
| Palo Alto Research Center | 1 | 1 | 114.40 |
| Palo Alto Sanitation Company | 1 | 2 | 2,029.69 |
| Philip Roberts Models | 1 | 1 | 8.63 |
| Planter Technology Inc | 2 | 2 | 324.39 |
| Roche Palo Alto Llc | 10 | 42 | 9,769.47 |
| Roy-Aero Enterprise Llc | 5 | 20 | 2,393.42 |
| Saronix | 2 | 2 | 378.20 |
| Southwall Technologies | 3 | 4 | 3,378.70 |
| Space System/Loral (Bldg #12) | 2 | 2 | 0.58 |
| Space System/Loral (Bldg 28) | 1 | 1 | 23.05 |
| Space Systems/Loral | 10 | 55 | 3,471.00 |
| Space Systems/Loral (Bldg #25) | 6 | 6 | 213.97 |
| Space Systems/Loral (Bldg 7&8) | 2 | 5 | 382.77 |
| Stanford Cleaners | 1 | 1 | 472.18 |
| Stanford Cleaners | 1 | 1 | 303.19 |
| Stanford European | 1 | 2 | 952.11 |
| Stanford Hospital & Clinics | 1 | 2 | 0.05 |
| Stanford University | 6 | 72 | 9,761.82 |
| Stellex Microwave Systems Inc | 1 | 1 | 4.30 |
| Town & Country Cleaners | 2 | 2 | 1,149.87 |
| Ultramar C/O Horizon Environme | 2 | 2 | 377.32 |
| Varian Medical Systems, Inc | 1 | 1 | 159.28 |
| Varian Nmr Instruments | 3 | 6 | 416.45 |
| Varian Oncology Systems | 3 | 6 | 326.26 |
| Veterans Administration Medica | 16 | 46 | 27,875.29 |
| Viking Motor Body | 1 | 2 | 380.71 |
| Watkins-Johnson Company | 5 | 13 | 178.15 |
| Wpi Packaging & Maintenance Co | 20 | 42 | 42,387.13 |
| Yamanouchi Pharma Technology | 3 | 3 | 162.00 |
| Yeaman Auto Body | 1 | 3 | 3,190.82 |
