| TPY | facn | facility | location |
| 1) | 3375.8 | 1409010006 | AK STEEL CORPORATION | MIDDLETOWN |
| 2) | 3177.5 | 0701000007 | DP&L, J.M. STUART GENERATING STATION | ABERDEEN |
| 3) | 2258.2 | 1431350093 | CINERGY CORP MIAMI FORT STATION | NORTH BEND |
| 4) | 2054.7 | 0641160017 | W. H. SAMMIS PLANT | STRATTON |
| 5) | 1836.5 | 1413100008 | CINERGY CG&E WC BECKJORD STATION | NEW RICHMOND |
| 6) | 1341.7 | 0829700165 | CEMEX, INC. | XENIA |
| 7) | 1211.9 | 0627000003 | OHIO VALLEY ELECTRIC CORP., KYGER CREEK STATION | CHESHIRE |
| 8) | 1042.7 | 0616000000 | CONESVILLE POWER PLANT | CONESVILLE |
| 9) | 871.7 | 0278000463 | WCI STEEL, INC. | HOWLAND/WEATHERSFIELD/WARREN |
| 10) | 840.3 | 0247030013 | AVON LAKE POWER PLANT | AVON LAKE |
| 11) | 813.0 | 0684000000 | MUSKINGUM RIVER POWER PLANT | WATERFORD |
| 12) | 772.6 | 0641050002 | CARDINAL POWER PLANT (CARDINAL OPERATING COMPANY) | BRILLIANT |
| 13) | 755.6 | 0320010001 | GMC POWERTRAIN DIV. | DEFIANCE |
| 14) | 697.3 | 0656000001 | ORMET PRIMARY ALUMINUM CORP. | HANNIBAL |
| 15) | 684.3 | 0627010056 | GAVIN POWER PLANT | CHESHIRE |
| 16) | 656.2 | 0145020185 | OWENS CORNING | NEWARK |
| 17) | 643.7 | 0641090010 | WHEELING-PITTSBURGH STEEL CORPORATION - STEUBENVILLE | STEUBENVILLE |
| 18) | 643.0 | 0243160009 | CLEVELAND ELECTRIC ILLUMINATING CO., EASTLAKE PLANT | EASTLAKE |
| 19) | 636.2 | 0684020006 | ERAMET MARIETTA, INC. | MARIETTA |
| 20) | 614.7 | 0448020006 | TOLEDO EDISON CO., BAY SHORE PLANT | OREGON |
| 21) | 557.1 | 0671010028 | CHILLICOTHE PAPER INC. | CHILLICOTHE |
| 22) | 534.8 | 1413090154 | CINCINNATI GAS & ELECTRIC CO., WM. H. ZIMMER | MOSCOW |
| 23) | 478.9 | 1318120180 | FORD MOTOR COMPANY, CLEVELAND CASTING PLANT | BROOK PARK |
| 24) | 442.6 | 0247080229 | REPUBLIC ENGINEERED PRODUCTS, INC | LORAIN |
| 25) | 378.2 | 0448020007 | BP PRODUCTS NORTH AMERICA INC | OREGON |
| 26) | 358.8 | 0372000081 | CARMEUSE LIME INC MILLERSVILLE OPERATIONS | MILLERSVILLE |
| 27) | 356.8 | 0362000079 | GRAYMONT DOLIME (OH), INC. | GENOA |
| 28) | 353.5 | 0448010246 | SUN COMPANY, INC. | OREGON |
| 29) | 342.1 | 0487010012 | PILKINGTON NORTH AMERICA INC | ROSSFORD |
| 30) | 329.9 | 0363000002 | LAFARGE/SYSTECH ENVIRONMENTAL CORP. | PAULDING |
| 31) | 323.6 | 1318001613 | ISG CLEVELAND INC. | CLEVELAND |
| 32) | 312.1 | 0302020012 | PREMCOR REFINING GROUP | LIMA |
| 33) | 295.1 | 0326000160 | SAUDER WOODWORKING | ARCHBOLD |
| 34) | 281.7 | 0607130015 | R. E. BURGER PLANT | SHADYSIDE |
| 35) | 281.6 | 0372000127 | MARTIN MARIETTA MAGNESIA SPECIALTIES INC. | WOODVILLE |
| 36) | 278.3 | 1318000245 | CLEVELAND ELECTRIC ILLUMINATING CO., LAKE SHORE PLANT | CLEVELAND |
| 37) | 274.8 | 1576000613 | THE TIMKEN COMPANY - STEEL PLANTS | CANTON |
| 38) | 263.9 | 0317010115 | NATIONAL LIME & STONE COMPANY | BUCYRUS |
| 39) | 260.3 | 0285010001 | THE QUALITY CASTINGS COMPANY | ORRVILLE |
| 40) | 244.3 | 1576000301 | MARATHON PETROLEUM COMPANY LLC, CANTON REFINERY | CANTON |
| 41) | 242.1 | 1431092049 | RUMPKE SANITARY LANDFILL, INC. | CINCINNATI |
| 42) | 236.7 | 0320010003 | JOHNS MANVILLE INTERNATIONAL INC. - DEFIANCE PLANT 2 | DEFIANCE |
| 43) | 231.9 | 0278000648 | ISG WARREN INC. | CLEVELAND |
| 44) | 218.6 | 0285020059 | MORTON SALT DIVISION OF MORTON INTERNATIONAL, INC. | RITTMAN |
| 45) | 208.6 | 1318270383 | HYDRAULIC PRESS BRICK | INDEPENDENCE |
| 46) | 206.7 | 0857780013 | DP&L, O.H. HUTCHINGS GENERATING STATION | MIAMISBURG |
| 47) | 206.5 | 0322010062 | HURON LIME COMPANY | HURON |
| 48) | 201.9 | 0684010011 | KRATON POLYMERS U.S. LLC | BELPRE |
| 49) | 194.0 | 0204010003 | ELKEM METALS COMPANY | ASHTABULA |
| 50) | 189.3 | 0701000060 | DP&L, KILLEN GENERATING STATION | MANCHESTER |
| 51) | 188.8 | 0320010005 | JOHNS MANVILLE INTERNATIONAL, INC. | DEFIANCE |
| 52) | 185.6 | 1652050040 | OWENS CORNING, MEDINA PLANT | MEDINA |
| 53) | 173.8 | 0285020076 | CARAUSTAR INDUSTRIES, INC. | RITTMAN |
| 54) | 167.8 | 0204010000 | CLEVELAND ELECTRIC ILLUMINATING CO., ASHTABULA PLANT | ASHTABULA |
| 55) | 157.8 | 0388000043 | NATIONAL LIME AND STONE COMPANY - CAREY, OH LIME PLANT | CAREY |
| 56) | 156.8 | 0320010004 | SHUT D - JOHNS MANVILLE INTERNATIONAL, INC. - PLANT 3 | DEFIANCE |
| 57) | 151.3 | 1576181541 | AMERICAN LANDFILL INC. | SANDY TOWNSHIP, STARK COUNTY |
| 58) | 149.9 | 0278060023 | NILES PLANT | NILES |
| 59) | 147.8 | 0684000105 | GLOBE METALLURGICAL INC. | WATERFORD |
| 60) | 146.2 | 0388000004 | NATIONAL LIME & STONE CO. - CAREY | CAREY |
| 61) | 134.0 | 0125100987 | GRIFFIN WHEEL CO. - COLUMBUS PLANT | GROVEPORT |
| 62) | 132.3 | 0204010193 | MILLENNIUM INORGANIC CHEMICALS, INC. - PLANT 2 | ASHTABULA |
| 63) | 131.9 | 0322020200 | HANSON AGGREGATES MIDWEST WAGNER QUARRY | SANDUSKY |
| 64) | 127.3 | 1576050694 | REPUBLIC ENGINEERED PRODUCTS, INC. | CANTON |
| 65) | 125.7 | 1576001579 | COUNTYWIDE RECYCLING AND DISPOSAL FACILITY | EAST SPARTA |
| 66) | 125.1 | 1576050614 | THE TIMKEN COMPANY - BEARING PLANTS | CANTON |
| 67) | 123.1 | 0448000012 | JOHNS MANVILLE INTERNATIONAL, INC. / PLANT #01 - WTV1 | WATERVILLE |
| 68) | 121.2 | 0857043008 | STONY HOLLOW RECYCLING AND DISPOSAL FACILITY | DAYTON |
| 69) | 119.8 | 0374000010 | CARMEUSE OHIO, INC. - MAPLEGROVE LIME PLANT | BETTSVILLE |
| 70) | 119.7 | 0616010001 | STONE CONTAINER CORP.- COSHOCTON | COSHOCTON |
| 71) | 117.8 | 0448010075 | TEXTILEATHER CORPORATION | TOLEDO |
| 72) | 117.3 | 1677010193 | GOODYEAR TIRE & RUBBER CO. | AKRON |
| 73) | 112.7 | 0326000073 | NORTH STAR BHP STEEL L. L. C. | DELTA |
| 74) | 111.4 | 0616010006 | CLOW WATER SYSTEMS COMPANY | COSHOCTON (TUSCARAWAS TWP.) |
| 75) | 111.2 | 0215000296 | SHUT D - EAST LIVERPOOL LANDFILL, INC. | MADISON TOWNSHIP |