| Alaska Marine Lines, Dock No. 2. | 4 | 4 | 14.55 |
| Alaskan Copper Works | 3 | 3 | 260.00 |
| Arima Marine Intl. Inc. | 1 | 1 | 9,588.00 |
| Art Brass Plating Inc. | 1 | 1 | 15,665.00 |
| Ash Grove Cement Co, E Marginal | 8 | 23 | 5,808,136.90 |
| Asko Processing Inc. | 1 | 1 | 13,625.00 |
| Ball Metal Beverage Container Corp | 10 | 22 | 461,836.00 |
| Boeing Bcag Auburn | 3 | 5 | 34,837.00 |
| Boeing Commercial Airplane Group North Boeing Field | 4 | 6 | 14,035.00 |
| Boeing Commercial Airplane Group Plant 2 | 3 | 5 | 1,005.00 |
| Boeing Commercial Airplane Group Renton | 6 | 11 | 52,962.00 |
| Bp West Coast Prods. Co. Seattle Terminal | 5 | 10 | 1,784.00 |
| Burlington Environmental Inc. | 1 | 1 | 5.00 |
| Carnation Landfill | 28 | 28 | 196.21 |
| Cedar Hills Landfill | 28 | 28 | 47,506.21 |
| Coal Creek Development Landfill | 28 | 28 | 1,178.82 |
| Conocophillips Renton Terminal | 6 | 12 | 2,127.00 |
| Darigold-Rainier | 1 | 1 | 2,147.00 |
| Duvall Landfill | 28 | 28 | 6,014.90 |
| Duwamish Shipyard Inc. | 1 | 1 | 10,168.00 |
| Dyno Battery Inc. | 1 | 2 | 13.27 |
| Engineered Polymer Solutions Inc. (Dba Valspar Coatings) | 7 | 12 | 8,635.00 |
| Enumclaw Landfill | 28 | 28 | 1,178.82 |
| Equilon Seattle Lubricants Plant | 2 | 2 | 387.00 |
| Equilon Seattle Terminal | 5 | 10 | 3,500.00 |
| Farwest Paint Mfg. Co. | 3 | 6 | 1,010.00 |
| Formula Corp. | 1 | 1 | 750.00 |
| Gaco Western Inc. | 4 | 4 | 4,154.00 |
| Genie Inds. (South Campus) | 3 | 4 | 8,151.00 |
| Genie Inds. - Bothel | 1 | 1 | 1.00 |
| Genie Inds. - Moosewerks | 2 | 2 | 37.00 |
| Genie Inds. - Z45 | 2 | 2 | 11.00 |
| Genie Inds. Fab Services | 1 | 1 | 1.00 |
| Genie Inds. Main Campus | 2 | 2 | 96.00 |
| Heckett Multiserv Plant 65 | 1 | 1 | 124.00 |
| Hexcel Corp. | 1 | 2 | 10,080.00 |
| Hobart Landfill | 28 | 28 | 878.70 |
| Johns Manville Intl. | 0 | 0 | 0.00 |
| Kent Highlands Landfill | 28 | 28 | 43,458.04 |
| Kenworth Truck Co. | 1 | 2 | 24.00 |
| King Co Ntrl Res Wastewater Treatment | 17 | 33 | 395,336.00 |
| Lafarge North America Inc | 9 | 13 | 6,798,837.61 |
| Machinists Dsr Inc. (Dba Pugetsound Coatings) | 2 | 2 | 39,773.00 |
| Midway Restricted Landfill | 28 | 28 | 196.21 |
| Modine Aftermarket Holdings Inc. | 1 | 2 | 1.10 |
| Mutual Materials Co | 15 | 15 | 202,023.93 |
| Non-Ferrous Metals Inc. | 1 | 2 | 31.00 |
| Nucor Steel Seattle, Inc | 17 | 34 | 2,179,056.37 |
| Philips Oral Healthcare Inc. | 1 | 1 | 0.25 |
| Praxair Specialty Ceramics | 1 | 2 | 5.00 |
| Qualitel Corp. | 1 | 2 | 0.50 |
| Rexam Beverage Can Co | 12 | 17 | 581,896.00 |
| Rudd Co. Inc. | 8 | 16 | 11,169.00 |
| Safety-Kleen Sys. (118101) | 1 | 2 | 28.00 |
| Saint-Gobain Containers Inc | 6 | 20 | 1,329,662.00 |
| Schippers & Crew Inc. | 1 | 1 | 0.47 |
| Seattle Steam Co, Western | 5 | 33 | 694,575.00 |
| Sound Propeller Services Inc. | 2 | 2 | 500.00 |
| Starrow Ents. | 1 | 2 | 1,000.00 |
| Tally Printer Corp. | 1 | 1 | 0.08 |
| Todd Pacific Shipyards Corp. | 1 | 1 | 12,019.00 |
| Transpro Inc. | 1 | 1 | 12.00 |
| Travis Ind. | 1 | 2 | 11,624.00 |
| Trim Sys. | 1 | 1 | 3,225.00 |
| Ttm Techs. Inc. Redmond | 2 | 2 | 4,599.00 |
| Univar Usa Inc. (Formerly Vopak Usa Inc.) | 3 | 6 | 2,674.00 |
| Vashon Landfill | 28 | 28 | 618.23 |
| Viox Corp. | 1 | 2 | 37.00 |
| Wescor Graphics Corp. | 1 | 1 | 15,420.00 |
| Western Pneumatic Tube Co. | 1 | 1 | 30,446.00 |
