| TPY | facn | facility | location |
| 1) | 2308.7 | 0204010193 | MILLENNIUM INORGANIC CHEMICALS, INC. - PLANT 2 | ASHTABULA |
| 2) | 1791.9 | 0278000199 | GENERAL MOTORS LORDSTOWN COMPLEX - LORDSTOWN EAST PLANT | WARREN |
| 3) | 1745.8 | 0204010003 | ELKEM METALS COMPANY | ASHTABULA |
| 4) | 1610.9 | 0180000130 | HONDA OF AMERICA MANUFACTURING, INC. | MARYSVILLE |
| 5) | 1157.2 | 0339010005 | CENTRAL SOYA CO. - BELLEVUE | BELLEVUE |
| 6) | 962.3 | 0448020007 | BP PRODUCTS NORTH AMERICA INC | OREGON |
| 7) | 782.9 | 1409010006 | AK STEEL CORPORATION | MIDDLETOWN |
| 8) | 701.1 | 0302020012 | PREMCOR REFINING GROUP | LIMA |
| 9) | 682.9 | 0247030471 | FORD MOTOR COMPANY - OHIO ASSEMBLY PLANT | AVON LAKE |
| 10) | 676.1 | 0857101349 | GENERAL MOTORS CORPORATION - MORAINE ASSEMBLY | DAYTON |
| 11) | 668.0 | 0448010246 | SUN COMPANY, INC. | OREGON |
| 12) | 642.2 | 0671010028 | CHILLICOTHE PAPER INC. | CHILLICOTHE |
| 13) | 619.7 | 1318120180 | FORD MOTOR COMPANY, CLEVELAND CASTING PLANT | BROOK PARK |
| 14) | 556.0 | 1576000301 | MARATHON PETROLEUM COMPANY LLC, CANTON REFINERY | CANTON |
| 15) | 542.7 | 0448010075 | TEXTILEATHER CORPORATION | TOLEDO |
| 16) | 503.8 | 0448010414 | DAIMLERCHRYSLER CORP | TOLEDO |
| 17) | 501.8 | 1677120043 | U.C. INDUSTRIES | TALLMADGE |
| 18) | 479.4 | 0320010001 | GMC POWERTRAIN DIV. | DEFIANCE |
| 19) | 464.5 | 0546000117 | HONDA OF AMERICA, EAST LIBERTY PLANT | EAST LIBERTY |
| 20) | 456.5 | 0204010200 | MILLENNIUM INORGANIC CHEMICALS, INC. PLANT #I | ASHTABULA |
| 21) | 414.5 | 0448010413 | DAIMLERCHRYSLER CORP | TOLEDO |
| 22) | 414.1 | 0627000003 | OHIO VALLEY ELECTRIC CORP., KYGER CREEK STATION | CHESHIRE |
| 23) | 412.4 | 0332000023 | BALL METAL BEVERAGE CONTAINER CORPORATION | FINDLAY |
| 24) | 410.1 | 1667060021 | WHITE RUBBER CORP. | RAVENNA |
| 25) | 392.1 | 0388010003 | ADVANCED ORGANICS | UPPER SANDUSKY |
| 26) | 390.4 | 0320010005 | JOHNS MANVILLE INTERNATIONAL, INC. | DEFIANCE |
| 27) | 387.1 | 0773000080 | SUNOCO INC (R&M) | HAVERHILL |
| 28) | 330.8 | 0575010160 | CARGILL, INCORPORATED | SIDNEY |
| 29) | 329.8 | 0351010012 | WHIRLPOOL CORP. MARION DIV. | MARION |
| 30) | 328.4 | 0381000011 | BUNGE NORTH AMERICA | DELPHOS |
| 31) | 324.2 | 0616010006 | CLOW WATER SYSTEMS COMPANY | COSHOCTON (TUSCARAWAS TWP.) |
| 32) | 317.9 | 0744000029 | THE DOW CHEMICAL COMPANY - HANGING ROCK | IRONTON |
| 33) | 314.9 | 1431070662 | KEEBLER COMPANY | CINCINNATI |
| 34) | 312.3 | 0372030070 | H.J. HEINZ, L.P. | FREMONT |
| 35) | 307.1 | 0351010002 | BUNGE NORTH AMERICA (EAST) LLC | MARION |
| 36) | 300.6 | 0165010004 | DUPONT-CIRCLEVILLE | CIRCLEVILLE |
| 37) | 263.6 | 0306010138 | GOODYEAR TIRE AND RUBBER COMPANY | ST. MARYS |
| 38) | 258.6 | 0302020015 | INNOVENE USA LLC | LIMA |
| 39) | 257.4 | 0684010011 | KRATON POLYMERS U.S. LLC | BELPRE |
| 40) | 252.8 | 0326000073 | NORTH STAR BHP STEEL L. L. C. | DELTA |
| 41) | 249.0 | 1667040037 | SMITHERS-OASIS U.S.A. | KENT |
| 42) | 246.4 | 0332020187 | ADM-FOSTORIA | FOSTORIA |
| 43) | 222.8 | 1677110026 | MORGAN ADHESIVES COMPANY (MACTAC) | STOW |
| 44) | 222.1 | 0339030135 | R. R. DONNELLEY & SONS COMPANY | WILLARD |
| 45) | 215.3 | 0372030005 | REXAM BEVERAGE CAN COMPANY | FREMONT |
| 46) | 209.6 | 0575010103 | ALCOA BUILDING PRODUCTS, INC | SIDNEY |
| 47) | 205.2 | 0448002007 | REXAM BEVERAGE CAN CO | WHITEHOUSE |
| 48) | 204.2 | 0679000272 | PROGRESSIVE FOAM PRODUCTS | BEACH CITY |
| 49) | 198.9 | 1431070035 | COGNIS CORP | CINCINNATI |
| 50) | 197.8 | 0701000007 | DP&L, J.M. STUART GENERATING STATION | ABERDEEN |
| 51) | 197.3 | 0671010121 | KENWORTH TRUCK COMPANY | CHILLICOTHE |
| 52) | 196.7 | 0627010056 | GAVIN POWER PLANT | CHESHIRE |
| 53) | 195.0 | 0372030199 | EATON INOAC CO | FREMONT |
| 54) | 191.4 | 0302000166 | DTR INDUSTRIES INCORPORATED | BLUFFTON |
| 55) | 188.7 | 0641160017 | W. H. SAMMIS PLANT | STRATTON |
| 56) | 182.1 | 0145020185 | OWENS CORNING | NEWARK |
| 57) | 181.3 | 0386010003 | CONTINENTAL TIRE NORTH AMERICA | BRYAN |
| 58) | 179.8 | 0165000045 | ALSCO METALS CORPORATION, ASHVILLE FACILITY (ALERIS INT | ASHVILLE |
| 59) | 176.5 | 1409000353 | MILLER BREWERIES EAST, INC. | TRENTON |
| 60) | 175.7 | 1576050866 | REPUBLIC STORAGE SYSTEMS COMPANY, INC | CANTON |
| 61) | 173.9 | 0616010001 | STONE CONTAINER CORP.- COSHOCTON | COSHOCTON |
| 62) | 169.6 | 0125070213 | COLUMBUS STEEL DRUM | BLACKLICK |
| 63) | 168.5 | 0372020143 | WHIRLPOOL CORPORATION - CLYDE DIVISION | CLYDE |
| 64) | 167.0 | 0387000042 | THE BUDD COMPANY PLASTICS DIVISION, NORTH BALTIMORE | NORTH BALTIMORE |
| 65) | 163.0 | 0684020008 | SOLVAY ADVANCED POLYMERS LLC | MARIETTA |
| 66) | 155.4 | 1318040267 | THE SHERWIN-WILLIAMS CO. | BEDFORD HEIGHTS |
| 67) | 154.6 | 1652050060 | PLASTI-KOTE CO., INC. | MEDINA |
| 68) | 154.5 | 1677000105 | PECHINEY PLASTIC PACKAGING INC | AKRON |
| 69) | 153.2 | 0125182441 | INSULFOAM | OBETZ |
| 70) | 147.9 | 0656000014 | ORMET ALUMINUM MILL PRODUCTS CORPORATION | HANNIBAL |
| 71) | 147.8 | 1318000399 | NORTH COAST CONTAINER | CLEVELAND |
| 72) | 147.3 | 0125040554 | ANHEUSER-BUSCH COLUMBUS BREWERY | COLUMBUS |
| 73) | 143.1 | 0124010098 | YUSA CORPORATION | WASHINGTON COURT HOUSE |
| 74) | 142.7 | 0616000000 | CONESVILLE POWER PLANT | CONESVILLE |
| 75) | 141.3 | 0278000013 | DENMAN TIRE CORPORATION | LEAVITTSBURG |