| 69th St Sludge Drying | 7 | 98 | 150,572.80 |
| Abb Vetco Gray Inc. | 2 | 4 | 272.00 |
| Abitibi-Consolidated Corporation Sheldon Mill | 13 | 168 | 2,143,067.01 |
| Accent Marble Co. Inc. | 1 | 1 | 9,994.00 |
| Aes Deepwater Inc | 77 | 135 | 13,932,484.44 |
| Akzo Nobel Chemicals, Inc. | 14 | 503 | 696,896.20 |
| Allied Aviation Fueling Co. Of Houston Inc. - Iah | 6 | 12 | 6,911.00 |
| Alternative Fuels Dev | 5 | 14 | 0.00 |
| American Envirotech | 16 | 16 | 116.42 |
| Anheuser-Busch, Inc. | 14 | 568 | 922,821.60 |
| Architectural Woodwork | 17 | 81 | 0.00 |
| Arrow Marble L.L.C. | 1 | 1 | 17,128.00 |
| Ashbrook Corp. | 1 | 1 | 5.00 |
| Ashland Distribution Co. | 8 | 16 | 4,552.00 |
| Atofina Inc | 25 | 203 | 1,953,947.51 |
| Bammel Gasfield | 11 | 232 | 47,437.00 |
| Baylor College Of Med | 14 | 116 | 50,197.20 |
| Blentech Corp. | 2 | 3 | 45.60 |
| Bluebonnet Recycling And Disposal Facility | 6 | 17 | 211,035.20 |
| Bollinger Shipyards, Inc. | 18 | 103 | 94,468.80 |
| Bonanza Marble Company | 3 | 6 | 64,580.00 |
| Bonney Forge Texas L.P. (Dba Wfi Intl.) | 3 | 3 | 15.00 |
| Brenntag Southwest Inc. Houston | 4 | 8 | 807.00 |
| Brochsteins, Inc. | 16 | 124 | 38,633.80 |
| Brown & Root Greens Bayou | 14 | 49 | 16,797.20 |
| Carthage Sta No 1 | 7 | 61 | 351,165.80 |
| Cb&I Constructors Inc | 24 | 110 | 99,391.00 |
| Central Plant | 5 | 29 | 167,440.00 |
| Champagne Fine Printing | 9 | 41 | 34,604.40 |
| Champion Coatings Inc | 20 | 54 | 36,475.50 |
| Channel Energy Energy | 36 | 3321 | 11,398,462.20 |
| Channelview | 20 | 196 | 390,640.20 |
| Chem Central Houston | 15 | 133 | 7,880.60 |
| Chemcentral Southwest L.P. | 20 | 219 | 40,390.40 |
| Chevron Chemical Co | 21 | 1115 | 5,669,028.77 |
| Clorox Prods. Mfg. Co. | 1 | 1 | 5.00 |
| Compressor Site | 12 | 86 | 317,365.40 |
| Compressor Station 2 | 8 | 35 | 307,247.61 |
| Continental Airlines, Inc. | 17 | 223 | 110,159.20 |
| Cook Composites & Polymers Co. | 14 | 28 | 7,786.07 |
| Crude Oil Pipeline | 9 | 34 | 16,261.60 |
| Crude Petroleum Pipeline | 12 | 61 | 47,595.60 |
| Crystal Crk Ceramic Tile | 8 | 90 | 604,036.00 |
| Custom Blast Services, Inc. | 24 | 102 | 86,062.60 |
| Custom Pipe Coating Inc | 16 | 24 | 105,105.80 |
| Cypress Plant | 12 | 466 | 297,615.60 |
| D & R Metal Finishing | 3 | 6 | 5,908.00 |
| Dallas Chemical Techs. Inc. | 1 | 1 | 10.00 |
| Davis 1 Battery | 11 | 62 | 92,925.80 |
| Dayton Manufacturing Unit | 12 | 441 | 31,766.20 |
| Degussa Construction Chemicals Ops. Inc. | 2 | 4 | 4,342.00 |
| Dixie Electro Plating Co. | 2 | 3 | 12.92 |
| Durkee Field | 9 | 21 | 13,094.80 |
| Dxi Inds. Inc. | 2 | 3 | 1,012.00 |
| East Houston Tank Farm | 8 | 213 | 42,926.00 |
| Eastex Forest Prods. | 2 | 2 | 10.00 |
| El Paso Field Services Almeda | 13 | 164 | 361,877.20 |
| Ellwood Texas Forge | 10 | 32 | 62,903.00 |
| End Finishing | 7 | 33 | 174,410.00 |
| Enduro Composite Systems | 9 | 38 | 71,568.40 |
| Enterprise Products Operating, L.P. | 12 | 388 | 4,148,113.23 |
| Exxonmobil South Houston Terminal | 14 | 74 | 44,444.02 |
| Fauna Station | 8 | 56 | 43,088.20 |
| Firth-Mpd | 1 | 1 | 1.00 |
| Florida Gas Transmission | 14 | 42 | 762,668.00 |
| Fmc Energy Sys. | 1 | 1 | 250.00 |
| Foam Enterprises | 0 | 0 | 0.00 |
| Foster Products Corporation | 20 | 236 | 4,198.20 |
| Friendswood B C Station | 2 | 8 | 0.00 |
| Furnace Plant | 5 | 40 | 16,469.60 |
| Galvanizing Services Co.Inc. | 2 | 2 | 765.00 |
| Gardner Asphalt Inc. | 1 | 2 | 0.14 |
| Garlock Metallic Gaskets | 3 | 3 | 15.00 |
| Gb Biosciences Corporatio | 30 | 2284 | 450,647.67 |
| General Electric "Aep/Aps" | 23 | 126 | 108,657.40 |
| Georgia-Pacific Resins Inc. | 2 | 4 | 269.00 |
| Goodman Manufacturing Company, L.P. | 7 | 182 | 42,134.60 |
| Goodyear Houston Chem Plt | 21 | 1984 | 2,094,627.11 |
| Greens Bayou Electric | 38 | 79 | 482,160.04 |
| Grover Printing Company | 12 | 12 | 22,971.00 |
| Gsf Energy Llc | 6 | 32 | 114,198.40 |
| Gulf Reduction Corp. Greenwood Metal Div. Of U.S. Zin | 1 | 2 | 809.00 |
| H O Clarke Station | 6 | 36 | 4,256.40 |
| Halliburton Energy Services - Cps Mfg. Sawyer | 1 | 1 | 1.00 |
| Halliburton Energy Services Inc. Security Dbs | 1 | 1 | 80.00 |
| Hamill Estate Compressor Station | 11 | 51 | 63,281.20 |
| Heatset Web Printing | 13 | 21 | 24,101.60 |
| Highland 116 "A" Platform | 11 | 38 | 238,062.40 |
| Hobas Pipe Usa Inc | 7 | 113 | 76,464.60 |
| Hobby Airport Jet Fuel | 3 | 24 | 9,158.00 |
| Hockley Facility | 38 | 97 | 2,219.80 |
| Houston Almeda Sims | 7 | 38 | 68,310.00 |
| Houston Asphalt Terminal | 5 | 20 | 7,861.80 |
| Houston Olefins Plant | 47 | 845 | 902,838.21 |
| Houston Plant | 9 | 39 | 68,725.60 |
| Houston Plant | 8 | 81 | 90,170.00 |
| Houston Plant | 24 | 131 | 16,465,456.00 |
| Houston Plant | 9 | 52 | 27,402.20 |
| Houston Plant & Forklift | 15 | 169 | 110,550.80 |
| Houston Refinery | 29 | 2276 | 10,367,003.75 |
| Houston Retail Support Center | 1 | 1 | 1,516.00 |
| Houston Site | 11 | 46 | 35,569.00 |
| Houston Terminal | 10 | 58 | 43,390.60 |
| Houston Terminal | 14 | 229 | 295,020.56 |
| Igloo Prods. Corp. | 0 | 0 | 0.00 |
| Industrial Metal Finishing | 18 | 26 | 23,016.60 |
| Intercoastal Trmnl Inc | 14 | 78 | 138,590.40 |
| International Paint, Inc. | 12 | 101 | 28,720.60 |
| Jacob Stern And Sons Inc | 5 | 10 | 27,983.60 |
| Jet-Lube Inc. | 1 | 1 | 12.00 |
| Kik (Houston) Inc. | 3 | 3 | 8,334.62 |
| Kirby Lumber Tank Battery | 6 | 39 | 54,400.00 |
| Lead Prods. Co. Inc. | 2 | 4 | 160.00 |
| Lone Star Heat Treating Co. Ltd. | 2 | 2 | 10.00 |
| Longhorn Glass | 8 | 166 | 1,175,870.47 |
| M D Anderson Cancer Ctr | 7 | 161 | 32,095.20 |
| Manchester Terminal Corp., Ship Channel Wharf. | 1 | 1 | 29.88 |
| Manchester Terminal Corp., Sims Bayou Wharf | 1 | 1 | 29.88 |
| Marble Manufacturing Faci | 6 | 6 | 138,500.00 |
| Maxwell House Division | 6 | 584 | 791,976.60 |
| Mccarty Rd Landfill Flare | 17 | 35 | 259,862.00 |
| Mcfarland Facility | 10 | 33 | 79,697.60 |
| Merchant Metals Inc. | 2 | 2 | 409.00 |
| Merisol-Greens Bayou Plt | 27 | 1317 | 526,535.40 |
| Metal Prep., Inc. | 10 | 22 | 87,944.20 |
| Metalplate Galvanizing L.P. | 1 | 1 | 5.00 |
| Metalplate Galvanizing L.P. | 1 | 1 | 10.00 |
| Mirror Inds. | 1 | 2 | 30.10 |
| Mission Petroleum Carrier | 12 | 26 | 10,204.00 |
| Monco Compressor Station | 5 | 19 | 363,381.80 |
| Motiva Enterprises Llc | 20 | 288 | 144,107.40 |
| Mrs Bairds Bakeries | 6 | 70 | 48,595.40 |
| Nasa Ellington Field | 41 | 103 | 63,632.20 |
| Nasa Lbj Space Center | 83 | 703 | 243,521.40 |
| Nci Building Systems L P | 8 | 38 | 50,074.80 |
| Newpark Shipbuilding | 39 | 324 | 126,932.40 |
| North American Galvanizing Co. Fairbanks | 1 | 1 | 10.00 |
| North Houston Terminal | 18 | 93 | 66,621.04 |
| North Milton | 12 | 32 | 118,924.60 |
| Owens Corning | 25 | 262 | 279,493.20 |
| P H Robinson Station | 38 | 203 | 9,484,207.44 |
| Parkens International | 16 | 16 | 3,086.61 |
| Performance Plastic Produ | 5 | 60 | 36,006.00 |
| Pilot Chemical Co. | 3 | 6 | 765.00 |
| Plant 62 | 13 | 30 | 27,765.60 |
| Powell Electrical Manuf C | 10 | 80 | 65,200.80 |
| Promotional Printing | 17 | 79 | 17,574.20 |
| Quality Electric Steel Casting, Inc. | 15 | 195 | 455,828.20 |
| Quality Product Finishing | 12 | 83 | 74,407.40 |
| Quest Chemical Corp. | 5 | 7 | 14,139.00 |
| Quietflex Mfg Co Lp | 5 | 15 | 29,447.60 |
| Raywood East Facility | 12 | 106 | 62,892.20 |
| Rectorseal | 2 | 3 | 35,225.00 |
| Reed Hycalog Lp | 6 | 125 | 162,547.80 |
| Reef Industries Inc | 3 | 20 | 23,417.40 |
| Reichhold Chemicals Inc | 14 | 182 | 58,455.00 |
| Rice University | 8 | 39 | 165,939.00 |
| Riviana Foods Inc | 8 | 207 | 195,774.40 |
| Rki Inc | 8 | 47 | 23,336.00 |
| Russell Stanley Sw Inc | 19 | 169 | 141,108.40 |
| Same | 18 | 65 | 28,179.80 |
| Sartomer Co. Inc. | 3 | 6 | 551.00 |
| Schlumberger Tech. Corp. | 2 | 2 | 14.00 |
| Schumacher Co. Inc. | 3 | 4 | 147.42 |
| Set Environmental Inc. | 1 | 2 | 10.00 |
| Shaw Fabricators Inc. | 2 | 2 | 62.00 |
| Shore Acres Compressor | 10 | 40 | 10,932.80 |
| Smith International Inc | 23 | 1504 | 935,544.20 |
| South Coast Terminals Lp | 21 | 300 | 57,504.00 |
| Southline Metal Products | 21 | 174 | 377,818.20 |
| Southwest Freeway | 12 | 23 | 38,895.80 |
| Southwest Galvanizing Inc. | 2 | 2 | 235.00 |
| Southwestern Plating Co. Inc. | 1 | 1 | 17.00 |
| Subsea Ventures Inc. | 2 | 3 | 13,007.00 |
| Sugarland Compressor Station | 6 | 22 | 160,515.40 |
| Syntech Chemicals Inc. | 1 | 1 | 7,539.00 |
| T.H. Wharton Station | 38 | 120 | 837,288.72 |
| Texas Hobby Auto Auction | 12 | 74 | 19,538.00 |
| Texas Medical Center | 10 | 67 | 179,882.80 |
| The Earthgrains Companies | 7 | 86 | 29,851.00 |
| The Houston Chronicle | 13 | 32 | 26,066.00 |
| Thermal Energy Coop | 11 | 31 | 10,054.40 |
| Thomas & Betts Corp. | 1 | 1 | 45.00 |
| Trnscntnntl Gas Pipeline | 15 | 71 | 84,108.40 |
| Tuboscope A Div. Of Varco Plant 3 | 6 | 6 | 8,916.00 |
| Tuboscope West Little York Coating Plant | 19 | 143 | 72,701.20 |
| Tuboscope, Inc. | 17 | 188 | 193,639.20 |
| Tx Petrochemicals Lp | 23 | 414 | 5,531,967.80 |
| Tyco Valves & Controls L.P. | 3 | 6 | 1,500.00 |
| United Galvanizing Inc. | 2 | 2 | 5,498.00 |
| United Structures Of Am | 5 | 20 | 117,004.00 |
| Univar Usa | 12 | 24 | 2,877.00 |
| Universal Compression | 10 | 40 | 33,098.00 |
| University Of Houston | 6 | 75 | 61,324.00 |
| Valero Almeda Refined Prods. Terminal | 6 | 12 | 4,158.00 |
| Varco Quality Tubing Tuboscope Div. | 1 | 1 | 15,818.00 |
| Varco Shaffer Facility | 11 | 70 | 50,693.00 |
| West Clear Lake Peaking | 12 | 226 | 185,543.40 |
| West U Marble | 1 | 1 | 1,935.00 |
| Westhollow Tech Center | 23 | 71 | 201,577.60 |
| Wetmore & Company | 13 | 86 | 65,468.40 |
| Whirlwind Bldg Systems | 4 | 7 | 77,920.00 |
| Whispering Pines Landfill | 10 | 19 | 98,286.00 |
| Witco Corporation | 26 | 802 | 359,656.80 |
| Withers | 9 | 35 | 182,756.00 |
| Wyman-Gordon Forgings Inc. | 5 | 9 | 2,265.03 |