| <Agency Code> | <Agency Desc> | <Agency Type> | <Agency Type Desc> |
|---|---|---|---|
| 0642 | Marathon Oil | J | PRIVATE |
| 0661 | Massachusetts Muncipal Wholesale Electric Company | J | PRIVATE |
| 0663 | Master Metals | J | PRIVATE |
| 0665 | Mauna Loa Observatory | J | PRIVATE |
| 0667 | McVehil-Monnett Associates | J | PRIVATE |
| 0633 | Madison Paper Industries | J | PRIVATE |
| 0601 | Lansing Car Assembly | J | PRIVATE |
| 0674 | Menasha | J | PRIVATE |
| 0688 | Michigan Standard Alloys | J | PRIVATE |
| 0537 | J.M. Huber Corporation, Easton | J | PRIVATE |
| 0304 | Detroit Metro Airport | J | PRIVATE |
| 0347 | Enviro Plan | J | PRIVATE |
| 0401 | FMC Corporation | J | PRIVATE |
| 0402 | Ford Motors | J | PRIVATE |
| 0409 | Foth And Van Dyke | J | PRIVATE |
| 0377 | Exxon Minerals Company | J | PRIVATE |
| 0341 | Energy Lab Inc, Billings, Mt | J | PRIVATE |
| 0343 | Engineering Science, Inc | J | PRIVATE |
| 0345 | AECOM | J | PRIVATE |
| 0385 | Flambeau Mining Corporation | J | PRIVATE |
| 0425 | GCA, Technology Division | J | PRIVATE |
| 0427 | General Electric | J | PRIVATE |
| 0429 | General Mills | J | PRIVATE |
| 0430 | General Motors | J | PRIVATE |
| 0432 | General Smelting And Refining | J | PRIVATE |
| 0434 | Geneva Steel | J | PRIVATE |
| 0435 | Geomet Technologies, Inc | J | PRIVATE |
| 1336 | Graymont Western US, Inc. | J | PRIVATE |
| 1345 | Mactec, Inc | J | PRIVATE |
| 1361 | ARA, Atmospheric Research and Analysis | J | PRIVATE |
| 1362 | EE-MS, Environmental Engineering Measurement | J | PRIVATE |
| 1331 | Meteorological Solutions, Inc. | J | PRIVATE |
| 1332 | Hydrometrics | J | PRIVATE |
| 1333 | Aspen Consulting & Testing | J | PRIVATE |
| 1334 | Chester LabNet. | J | PRIVATE |
| 1346 | New York City Department of Health and Mental Hygiene | J | PRIVATE |
| 1386 | CGI Federal | J | PRIVATE |
| 0440 | Georgia Pacific Company, Woodland | J | PRIVATE |
| 0442 | Gillen Company | J | PRIVATE |
| 0443 | Glacier Daido America | J | PRIVATE |
| 0412 | Fraser Paper Company, Madawaska | J | PRIVATE |
| 0460 | Great Northern Paper Company, Millinocket | J | PRIVATE |
| 0462 | Greater Detroit Resource Recovery Authority | J | PRIVATE |
| 0476 | Hanna Mining Company | J | PRIVATE |
| 0477 | Hardy Salt | J | PRIVATE |
| 0450 | Gmad - Lake Orion | J | PRIVATE |
| 0509 | I/N Tek | J | PRIVATE |
| 0517 | Imore Gas Gaw And Electric Company | J | PRIVATE |
| 0519 | Indiana & Michigan Electric Company | J | PRIVATE |
| 0451 | Gold Field Mining Corporation | J | PRIVATE |
| 0453 | Gopher Smelting And Refining | J | PRIVATE |
| 0455 | Grand Haven Board Of Water And Light | J | PRIVATE |
| 0531 | Iowa Power And Light Company | J | PRIVATE |
| 0374 | Ewing Paper Mills | J | PRIVATE |
| 0376 | Exxon | J | PRIVATE |
| 0340 | EMPE | J | PRIVATE |
| 0158 | Centerior Energy | J | PRIVATE |
| 0160 | Central Foundry | J | PRIVATE |
| 0238 | Coldwater Board Of Public Utilities | J | PRIVATE |
| 0242 | Colt Industries-Beloit | J | PRIVATE |
| 0244 | Columbia Falls Aluminum | J | PRIVATE |
| 0253 | Conservation Consultants, Inc | J | PRIVATE |
| 0255 | Consolidated Papers | J | PRIVATE |
| 0257 | Continental Lime | J | PRIVATE |
| 0261 | Cordero Mining Company | J | PRIVATE |
| 0270 | Cyprus Industrial Minerals Company | J | PRIVATE |
| 0273 | D.I. Corporation/James River, Old Town | J | PRIVATE |
| 0277 | Dairyland Greyhound Park | J | PRIVATE |
| 0279 | Dakota Gasification Company | J | PRIVATE |
| 0283 | David E. Woodman | J | PRIVATE |
| 0286 | Dayton Power and Light | J | PRIVATE |
| 0290 | Deerfield Speciality Papers | J | PRIVATE |
| 0295 | Delco Remy | J | PRIVATE |
| 0296 | Delta Chemicals, Searsport | J | PRIVATE |
| 0312 | Dow Chemical Company | J | PRIVATE |
| 0313 | Dow Corning | J | PRIVATE |
| 0315 | Dry Fork Coal Company | J | PRIVATE |
| 0317 | Du Pont Imaging System | J | PRIVATE |
| 0320 | Duluth Missabe And Iron Range Railway Company | J | PRIVATE |
| 0327 | East Penn Manufacturing Company | J | PRIVATE |
| 1395 | Consci LTD | J | PRIVATE |
| 1398 | Taylor Frac, LLC | J | PRIVATE |
| 0329 | Eastern Research Group | J | PRIVATE |
| 0333 | Ecology Audits, Inc | J | PRIVATE |
| 0352 | Environmental Health Services | J | PRIVATE |
| 0354 | Environmental Research Foundation | J | PRIVATE |
| 0356 | Environmental Science And Engineering | J | PRIVATE |
| 0358 | Environmental Testing | J | PRIVATE |
| 0360 | Enviroplan | J | PRIVATE |
| 0361 | Environmental Monitoring Company (Emc) | J | PRIVATE |
| 0363 | ER & T Commonwealth Edison | J | PRIVATE |
| 0370 | Espey, Huston, And Associates, Inc | J | PRIVATE |
| 0897 | Qualitech | J | PRIVATE |
| 0898 | R-3, Inc | J | PRIVATE |
| 0746 | National Southwire Aluminum Company | J | PRIVATE |
| 0748 | Natural Gas Pipeline Company | J | PRIVATE |
| 0756 | Network Environmental, Inc | J | PRIVATE |
| 0760 | New England Ethanol, Auburn | J | PRIVATE |
| 0767 | New York Port Authority And Environmental Management | J | PRIVATE |
| 0706 | Mobil Chemical Company | J | PRIVATE |
| 0786 | Northeast Utilities | J | PRIVATE |
| 0788 | Northern Indiana Public Service Company | J | PRIVATE |
| 0792 | Northern States Power Company | J | PRIVATE |
| 0793 | Northrop Services | J | PRIVATE |
| 0795 | NTH, Consultants, Ltd | J | PRIVATE |
| 0800 | O.M. Scott Company | J | PRIVATE |
| 0804 | Ohio Edison Company | J | PRIVATE |
| 0773 | North American Coal | J | PRIVATE |
| 0743 | National Lime And Stone Company | J | PRIVATE |
| 0825 | OWR Grace | J | PRIVATE |
| 0829 | Pacific Environmental Services | J | PRIVATE |
| 0831 | Packaging Corporation Of America | J | PRIVATE |
| 0839 | Payne And Dolan, Inc | J | PRIVATE |
| 0840 | PBX | J | PRIVATE |
| 0842 | Peavey Company | J | PRIVATE |
| 0843 | Pedco And Battelle | J | PRIVATE |
| 0845 | Peerless Cement | J | PRIVATE |
| 0846 | Pegasus Gold Corporation | J | PRIVATE |
| 0774 | North American Weather Consultants | J | PRIVATE |
| 0855 | Penobscot Energy Recovery Company, Orrington | J | PRIVATE |
| 0857 | Pepco | J | PRIVATE |
| 0859 | Pfizer Corporation | J | PRIVATE |
| 0860 | Phelps Dodge Corporation | J | PRIVATE |
| 0883 | PPG Ind, Inc | J | PRIVATE |
| 0849 | Penn-Dixie Industries, Inc | J | PRIVATE |
| 0901 | Rayovac Company | J | PRIVATE |
| 0903 | Regional Waste Systems, Portland | J | PRIVATE |
| 0905 | Reserve Mining Company | J | PRIVATE |
| 0906 | Resource Consultants Incorporated | J | PRIVATE |
| 0908 | Rhone Poulenc | J | PRIVATE |
| 0912 | RMT, Inc | J | PRIVATE |
| 0915 | Robert Ogilby Company | J | PRIVATE |
| 0921 | Horsehead Corp | J | PRIVATE |
| 1339 | Citation Corp., WI | J | PRIVATE |
| 1340 | Didion Milling, Inc., WI | J | PRIVATE |
| 1341 | Metal Tek Inc., WI | J | PRIVATE |
| 1356 | Environmental Standards, Inc., PA | J | PRIVATE |
| 0925 | Rosebud Operating Services, Inc | J | PRIVATE |
| 0929 | Rowe Yankee Atomic Power Plant | J | PRIVATE |
| 0933 | Rust/Sec Donohue Environment & Infastructure | J | PRIVATE |
| 0953 | Savage Zinc Incinc Company | J | PRIVATE |
| 0955 | Science Applications International Corporation | J | PRIVATE |
| 0957 | Scott Paper Company, Winslow | J | PRIVATE |
| 0926 | Ross Metals Incorporated | J | PRIVATE |
| 0996 | St Regis Paper Company, Champion, Bucksport | J | PRIVATE |
| 0974 | South Dakota School Of Mines And Technology | J | PRIVATE |
| 0964 | Silver Valley Laboratory | J | PRIVATE |
| 0998 | Standard Oil Company | J | PRIVATE |
| 1004 | Statler Industries | J | PRIVATE |
| 1006 | Steel Dynamics | J | PRIVATE |
| 1012 | Superior Environmental Services, Inc | J | PRIVATE |
| 1017 | Swanson Environmental, Inc | J | PRIVATE |
| 1019 | Superior Services, Inc | J | PRIVATE |
| 1027 | Tennessee Luttrell Lime | J | PRIVATE |
| 1031 | Texaco | J | PRIVATE |
| 1034 | Texas Gulf Chemical Company | J | PRIVATE |
| 1038 | The Otis Elevator Company | J | PRIVATE |
| 1056 | Triton Coal | J | PRIVATE |
| 1058 | Tucson Electric Power Company | J | PRIVATE |
| 1062 | U P Generating Company | J | PRIVATE |
| 1066 | Union Carbide | J | PRIVATE |
| 1037 | The Canter Oil Company | J | PRIVATE |
| 1068 | United Power Association | J | PRIVATE |
| 1070 | United State Fluorspar Corporation | J | PRIVATE |
| 1084 | University Of Iowa | J | PRIVATE |
| 1092 | Upjohn | J | PRIVATE |
| 1111 | USG Interior Products | J | PRIVATE |
| 1129 | W W Engineering And Science | J | PRIVATE |
| 1141 | WAUPACA Foundry | J | PRIVATE |
| 1317 | APPTIS, Inc. | J | PRIVATE |
| 1318 | EXCEL Management Systems, Inc. | J | PRIVATE |
| 1389 | Colorado State University | J | PRIVATE |
| 1390 | Tata Chemicals | J | PRIVATE |
| 1391 | Devon Energy | J | PRIVATE |
| 1396 | Chippewa Sand Company, LLC | J | PRIVATE |
| 1372 | Encana, WY | J | PRIVATE |
| 1142 | Wausau Paper Mills | J | PRIVATE |
| 1144 | Wayne Disposal, Inc | J | PRIVATE |
| 1149 | West Central Wisconsin Biosolids | J | PRIVATE |
| 1116 | Vandenberg AFB | J | PRIVATE |
| 1184 | Woodward Clyde Consultants | J | PRIVATE |
| 1186 | WW Engineering And Science | J | PRIVATE |
| 1154 | Western Environmental Services | J | PRIVATE |
| 1156 | Western Kraft Paper Group | J | PRIVATE |
| 1158 | Westinghouse Environmental Services Department | J | PRIVATE |
| 1160 | Weston Consultants | J | PRIVATE |
| 1162 | Weyerhaeuser Company | J | PRIVATE |
| 1164 | Whirlpool Corporation | J | PRIVATE |
| 1172 | Wilner Wood Products, South Paris | J | PRIVATE |
| 1176 | Wisconsin Electric Power Company | J | PRIVATE |
| 1178 | Wisconsin Public Service Corporation | J | PRIVATE |
| 1197 | Yellowstone Energy Ltd Partnership | J | PRIVATE |
| 1206 | Dynecol, Inc | J | PRIVATE |
| 1208 | Environmental Engineering | J | PRIVATE |
| 0008 | Air Quality Consultants, Inc | J | PRIVATE |
| 0010 | Air Sciences Incorporated | J | PRIVATE |
| 0028 | Amerada Hess | J | PRIVATE |
| 0029 | American Colloid | J | PRIVATE |
| 0031 | American Electric Power | J | PRIVATE |
| 0033 | American Natural Gas | J | PRIVATE |
| 0034 | Amoco | J | PRIVATE |
| 0036 | Anaconda Aluminum Company | J | PRIVATE |
| 0038 | Anaconda Minerals Company | J | PRIVATE |
| 0051 | Arco Coal Company | J | PRIVATE |
| 0057 | Armco | J | PRIVATE |
| 0062 | Asarco, Inc | J | PRIVATE |
| 0063 | Ash Grove Cement | J | PRIVATE |
| 0067 | Atlantic Gelatine | J | PRIVATE |
| 0069 | Air Quality Services | J | PRIVATE |
| 0070 | American Municipal Power-Ohio, Inc | J | PRIVATE |
| 0077 | Barkley And Dexter Labs, Inc | J | PRIVATE |
| 0002 | A. E. Staly Company | J | PRIVATE |
| 0006 | Affiliated Environmental Services, Inc | J | PRIVATE |
| 0088 | Bearpaw Energy Inc | J | PRIVATE |
| 0092 | Benham Holway Power Group | J | PRIVATE |
| 0096 | BGI- Billings Generation Incorporated | J | PRIVATE |
| 0098 | Big Rivers Electric Corporation | J | PRIVATE |
| 0102 | Bison Engineering | J | PRIVATE |
| 0105 | Boc Flint | J | PRIVATE |
| 0106 | Boise Cascade Company | J | PRIVATE |
| 0108 | Boliden Resources Inc, T12r8 | J | PRIVATE |
| 0110 | Boston Edison Company | J | PRIVATE |
| 0112 | Bowater Southern Paper Company | J | PRIVATE |
| 0114 | Braun Intertec | J | PRIVATE |
| 0115 | Brc/Rasmussen | J | PRIVATE |
| 0119 | Briess Industries, Inc | J | PRIVATE |
| 0080 | Basic, Inc | J | PRIVATE |
| 0043 | Appalachian Mountain Club | J | PRIVATE |
| 0133 | Burgess & Niple, Limited | J | PRIVATE |
| 0135 | Burns And Mcdonnell Engineering Company | J | PRIVATE |
| 0139 | C.T. Main, Inc, Boston, MA | J | PRIVATE |
| 0152 | Carborundum | J | PRIVATE |
| 0153 | Carter Mining Company | J | PRIVATE |
| 0082 | Batelle | J | PRIVATE |
| 0083 | Bath Iron Works, Bath, Me | J | PRIVATE |
| 0085 | Battelle Northwest Laboratories | J | PRIVATE |
| 1304 | CIRA, Colorado State University | K | INSTITUTION |
| 1311 | Loyola University Chicago | K | INSTITUTION |
| 1335 | Ohio University, Athens, OH | K | INSTITUTION |
| 1371 | Washington University in St. Louis | K | INSTITUTION |
| 1246 | Washington State University | K | INSTITUTION |
| 1295 | Universidad Autonoma De Baja, CA | K | INSTITUTION |
| 0555 | Johns Hopkins University | K | INSTITUTION |
| 0647 | Marshall University, Department Of Chemistry | K | INSTITUTION |
| 0478 | Harvard School Of Public Health, Department Of Physiology | K | INSTITUTION |
| 0239 | College of Staten Island | K | INSTITUTION |
| 0232 | Cleveland Public Schools | K | INSTITUTION |
| 0228 | Clemson Agriculture College & US Dept Of Agriculture | K | INSTITUTION |
| 0892 | Purdue University Civil Eng Department | K | INSTITUTION |
| 0763 | New Jersey Institute Of Technology | K | INSTITUTION |
| 0778 | North Carolina State University | K | INSTITUTION |
| 0783 | North Dakota State University | K | INSTITUTION |
| 0832 | Palisades High School | K | INSTITUTION |
| 0854 | Pennsylvania State University (Penn State) | K | INSTITUTION |
| 0939 | Saginaw Valley State University | K | INSTITUTION |
| 0016 | Albright College | K | INSTITUTION |
| 0044 | Appalachian State University | K | INSTITUTION |
| 0146 | California Institute Of Technology | K | INSTITUTION |
| 1079 | University College Of Pharmacy, Washington | K | INSTITUTION |
| 1081 | University Of Arizona, Department Of Civil Engineering | K | INSTITUTION |
| 1083 | University Of Florida Air Pollution Research Laboratory | K | INSTITUTION |
| 1085 | University Of Maine, State Agricultural Experimental | K | INSTITUTION |
| 1087 | University Of Massachusetts | K | INSTITUTION |
| 1089 | University Of Michigan, School Of Public Health | K | INSTITUTION |
| 1126 | Virginia Polytechnic Institute | K | INSTITUTION |
| 1115 | Ute Research Laboratory | K | INSTITUTION |
| 1245 | NYU - School Of Medicine | K | INSTITUTION |
| 1260 | Northern Arizona University | K | INSTITUTION |
| 1323 | University of Cincinnati | K | INSTITUTION |
| 1393 | University of Texas School of Public Health | K | INSTITUTION |
| 0522 | Indiana University Of Pennsylvania | K | INSTITUTION |
| 0690 | Michigan Tech University | K | INSTITUTION |
| 1326 | Center for Lab Science RJ Lee Grp Inc/Columbia Basin Col. | K | INSTITUTION |
| 0445 | Glassboro State College, Science Department | K | INSTITUTION |
| 0223 | City University of New York, CUNY | K | INSTITUTION |
| 0307 | Division of Environmental Engineering Rennselaer Polytechnic | K | INSTITUTION |
| 0365 | Eri/University Of Connecticut | K | INSTITUTION |
| 0823 | Oregon State University | K | INSTITUTION |
| 1040 | Ticonderoga Jr-Sr High School | K | INSTITUTION |
| 1082 | University Of California-Riverside | K | INSTITUTION |
| 1086 | University Of Maryland | K | INSTITUTION |
| 1088 | University Of Medicine And Dentistry Of New Jersey | K | INSTITUTION |
| 1090 | University Of Minnesota | K | INSTITUTION |
| 1148 | Wellesley College | K | INSTITUTION |
| 1360 | City of Frisco | L | MILITARY |
| 1269 | Naval Surface Warfare Center, Crane Division, IN | L | MILITARY |
| 0682 | Metropolitan Health Department/Nashville & Davidson County | L | MILITARY |
| 1071 | United States Army | L | MILITARY |
| 1369 | US Army Corps of Engineers | L | MILITARY |
| 0479 | Hatteras Naval Facility, United States Navy | L | MILITARY |
| 0923 | Rocky Mountain Arsenol (US Army) | L | MILITARY |
| 1074 | United States Coast Guard | L | MILITARY |
| 0127 | Brunswick Naval Air Station, Brunswick | L | MILITARY |
| 1308 | Great Smoky Mtn NP | N | FED NONMILITARY |
| 0444 | Glacier National Park | N | FED NONMILITARY |
| 0516 | Immigration And Custom Building | N | FED NONMILITARY |
| 0373 | Everglades National Park | N | FED NONMILITARY |
| 0744 | National Oceanic And Atmospheric Administration/Umo | N | FED NONMILITARY |
| 0747 | National Weather Service | N | FED NONMILITARY |
| 0742 | National Climatic Center, Us Department Of Commerce | N | FED NONMILITARY |
| 1077 | United States Quarantine Station | N | FED NONMILITARY |
| 1063 | U S State Department | N | FED NONMILITARY |
| 1073 | United States Bureau Of Reclamation | N | FED NONMILITARY |
| 1110 | US Forest Service | N | FED NONMILITARY |
| 1370 | US Geological Survey | N | FED NONMILITARY |
| 1368 | EPA HQ - OECA | N | FED NONMILITARY |
| 1267 | Center For Disease Control | N | FED NONMILITARY |
| 0383 | Federal Government | N | FED NONMILITARY |
| 0745 | National Park Service | N | FED NONMILITARY |
| 0741 | National Bureau Of Standards | N | FED NONMILITARY |
| 1029 | Tennessee Valley Authority | N | FED NONMILITARY |
| 1075 | United States Customs | N | FED NONMILITARY |
| 1072 | United States Atomic Energy Commission | N | FED NONMILITARY |
| 1078 | United States Veterans Administration | N | FED NONMILITARY |
| 1093 | US Department Of Interior (USGS-BLM) | N | FED NONMILITARY |
| 1076 | United States Fish And Wildlife Service | N | FED NONMILITARY |
| 0060 | Artic Health Research Laboratory | N | FED NONMILITARY |
| 0129 | Bryce Canyon National Park | N | FED NONMILITARY |
| 1094 | US EPA - Great Lakes National Program Office | P | EPA REGION |
| 1096 | US EPA - Region 1 | P | EPA REGION |
| 1097 | US EPA - Region 2 | P | EPA REGION |
| 1100 | US EPA - Region 5 | P | EPA REGION |
| 1102 | US EPA - Region 7 | P | EPA REGION |
| 1105 | US EPA - Region 10 | P | EPA REGION |
| 1382 | Columbia Analytical Services | P | EPA REGION |
| 1383 | Orsat | P | EPA REGION |
| 1381 | US EPA - Region 9 Superfund | P | EPA REGION |
| 1098 | US EPA - Region 3 | P | EPA REGION |
| 1099 | US EPA - Region 4 | P | EPA REGION |
| 1101 | US EPA - Region 6 | P | EPA REGION |
| 1103 | US EPA - Region 8 | P | EPA REGION |
| 1104 | US EPA - Region 9 | P | EPA REGION |
| 1380 | Colorado Bureau of Land Management | S | GEMS |
| 1303 | Direccion General De Ecoligia Gobierno del Estado de Baja California | Z | OTHER |
| 1384 | North Central Texas Council of Governments | Z | OTHER |
| 1376 | Mountain Studies Institute | Z | OTHER |
| 0433 | Geneva Lakes Environmental Agency | Z | OTHER |
| 1387 | Enefit | Z | OTHER |
| 1180 | Wisconsin Winnebago Business Committee | Z | OTHER |