| Packard Hughes Interconnect | 19 | 65 | 16,381.00 |
| Gas Recovery Systems, Inc | 45 | 64 | 123,869.25 |
| B Braun Medical Inc. | 9 | 61 | 65,396.13 |
| Silverado Constructors | 6 | 56 | 832.72 |
| Univ Of California Irvine | 8 | 40 | 103,624.58 |
| Maruchan Inc | 6 | 40 | 14,881.22 |
| Motorola Corporation | 17 | 39 | 13.85 |
| Royalty Carpet Mills Inc | 7 | 38 | 41,303.56 |
| Parker Hannifin Aerospace Corp | 18 | 38 | 93,713.01 |
| Edwards Lifesciences Llc | 7 | 35 | 36,900.00 |
| Ricoh Electronics Inc | 10 | 35 | 57,108.92 |
| 3m Medical Products | 8 | 35 | 24,392.19 |
| Raytheon Service Co | 15 | 34 | 361.88 |
| Plan Hold Corp | 13 | 34 | 13,203.58 |
| The Dot Printer Inc | 10 | 31 | 54,643.03 |
| Mazda North America Inc | 21 | 30 | 613.75 |
| Joe Macpherson Chevrolet | 8 | 30 | 7,667.09 |
| Deft Inc | 8 | 28 | 17,215.32 |
| Kaiser Electroprecision | 9 | 28 | 76,955.02 |
| Aqua Chinon Wash | 28 | 28 | 285.51 |
| Coyote Canyon Sanitary Landfill | 28 | 28 | 718.69 |
| Gold Coast Biomass | 28 | 28 | 1,715.36 |
| Lane Road Disposal Station #21 | 28 | 28 | 285.51 |
| Frank R Bowerman Landfill | 28 | 28 | 38,222.01 |
| San Joaquin Road Disposal Station #13 | 28 | 28 | 63,237.99 |
| Santiago Canyon Sanitary Landfill | 28 | 28 | 39,890.97 |
| El Toro Mcas #4/Site 17/Ou / 2 | 28 | 28 | 285.51 |
| Jefferson Smurfit Corp | 10 | 27 | 68,828.20 |
| Amisub, Irvine Medical Ctr Dba | 6 | 24 | 11,376.68 |
| General Construction Co. | 6 | 24 | 26,188.49 |
| Ansys, Inc | 10 | 23 | 1,603.75 |
| Allergan Inc | 6 | 22 | 26,587.44 |
| Riston Keller Inc,The Stocklan | 9 | 20 | 61,586.72 |
| Gensiasicor Pharmaceuticals | 6 | 20 | 79,640.00 |
| Ocpc, Inc. | 6 | 20 | 7,119.07 |
| Tech Spray Inc | 4 | 19 | 10,013.50 |
| Renkus-Heinz, Inc | 6 | 18 | 2,574.57 |
| San Diego Shutter Co Ron&Royce | 8 | 17 | 23,189.84 |
| Baxter Health Care Corp,Bentle | 6 | 17 | 6,540.00 |
| Pacific Coast Printing | 1 | 15 | 10,692.00 |
| Giannico Inc | 6 | 15 | 1,907.94 |
| Shipley'S Rentals Inc | 6 | 14 | 11,145.97 |
| Full Force Inc, New Age Graphi | 13 | 14 | 0.17 |
| Sorin Biomedical Inc | 5 | 14 | 9,947.48 |
| Kyowa America Corp | 6 | 14 | 3,380.00 |
| Gish Biomedical Inc | 6 | 12 | 8,558.16 |
| Mybar Printing Inc | 6 | 12 | 4,040.00 |
| Anabolic Laboratories Inc | 8 | 12 | 19,553.00 |
| Cosmotronics Corp. | 7 | 12 | 2,919.47 |
| Bertea Corp Logistics Div | 6 | 11 | 32,371.05 |
| Jacuzzi Whirlpool Bath | 3 | 10 | 212,155.00 |
| Electrolurgy Inc | 6 | 10 | 640.00 |
| Spectrum Business Forms Inc | 6 | 10 | 0.00 |
| Alcon Surgical Inc | 6 | 10 | 2,536.09 |
| Sully-Miller Contracting Co | 6 | 9 | 6,302.65 |
| Grondorf Field Black & Co | 1 | 9 | 1,700.00 |
| Prudential Overall Supply | 7 | 9 | 29,870.80 |
| Sterling Electric Inc | 9 | 9 | 31.29 |
| Barcel/Cdt, Inc. | 2 | 9 | 55,317.90 |
| R&S Trading Co./Nyala Screenpr | 6 | 8 | 3,744.45 |
| Tri-County Sanblasting Inc | 6 | 8 | 78,728.46 |
| Newport Adhesives & Composites | 1 | 8 | 960.00 |
| Tuttle-Click Inc | 6 | 8 | 60.00 |
| Gateway Sandblasting | 6 | 8 | 10,565.17 |
| J E M Industries, Inc | 6 | 6 | 287.64 |
| R. J. Noble Co | 6 | 6 | 396.43 |
| Verizon Wireless | 6 | 6 | 534.00 |
| Penhall Company | 6 | 6 | 2,234.30 |
| New Age Graphics L.P., Full Fo | 2 | 6 | 922.00 |
| Xerox Corp | 6 | 6 | 11.36 |
| Shiley | 6 | 6 | 13,564.20 |
| Allergan Medical Optics | 4 | 5 | 739.03 |
| Tapmatic Corp | 1 | 5 | 402.00 |
| Alton Geoscience | 4 | 4 | 5,070.03 |
| Precision Offset Inc | 1 | 4 | 9,374.19 |
| Ridgewood/Cal Power Partners L | 2 | 4 | 5,640.00 |
| Toshiba America Information Sy | 1 | 3 | 4,940.00 |
| Boral Resources Inc, Irvine Pl | 3 | 3 | 11.00 |
| Calsonic Climate Control Inc | 3 | 3 | 11,877.76 |
| Program Data Inc | 2 | 3 | 298.35 |
| 3m Co, Dental Products Div | 1 | 2 | 632.80 |
| Racal Dana Instruments Inc | 2 | 2 | 0.00 |
| Shiley, Inc. | 2 | 2 | 258.00 |
| Multilayer Tech. Inc. | 2 | 2 | 10,600.00 |
| Enthone Inc. | 1 | 2 | 823.00 |
| Ucar Composites | 2 | 2 | 26.77 |
| Printronix Inc | 2 | 2 | 8,273.33 |
| Pacific Color Connection | 1 | 2 | 1,200.00 |
| Irvine Ranch Water Dist | 1 | 1 | 13.97 |
| Western Digital Corp | 1 | 1 | 61.58 |
| National Semiconductor Co. | 1 | 1 | 0.02 |
| Soundcoat Co. Inc. | 1 | 1 | 1.00 |
| Catalina Pacific Concrete Co. Irvine Plant | 1 | 1 | 0.00 |
| Second Source | 1 | 1 | 612.50 |
| R C Designs International | 1 | 1 | 1,860.00 |
| Shur-Lok Corp | 1 | 1 | 73.94 |
| Irvine Valencia Growers | 1 | 1 | 435.00 |