| Cleveland-Cliffs Cleveland Works Llc | Cleveland | 866.5k |
| Gavin Power Llc | Cheshire | 136.5k |
| Kyger Creek Station | Cheshire | 82.3k |
| Envirosafe Services Of Ohio Inc | Oregon | 78.9k |
| Cardinal Plant | Brilliant | 72.9k |
| Pixelle Specialty Solutions Llc | Chillicothe | 8.2k |
| Cleveland-Cliffs Inc. | Middletown | 6.1k |
| North Star Bluescope Steel Llc | Delta | 2.5k |
| Miami Fort Power Co Llc | North Bend | 2.1k |
| Jsw Steel Usa Ohio Inc. | Mingo Junction | 1.9k |
| Belden Brick Co Plant 2 | Sugarcreek | 1.6k |
| The Lincoln Electric Co | Euclid | 1.4k |
| Belden Brick Co Plant 8 | Sugarcreek | 1.4k |
| Cleveland-Cliffs Steel Corp | Coshocton | 1.0k |
| Charter Manufacturing Co. Inc. | Cuyahoga Heights | 825 |
| Lubrizol Corp Painesvil Le Plant | Painesville | 784 |
| Energizer Holdings Inc | Marietta | 752 |
| Vallourec Star Lp | Youngstown | 632 |
| Mcwane Ductile Ohio | Coshocton | 602 |
| Ineos Nitriles Usa Llc | Lima | 523 |
| Provimi N.a. Inc. | Lewisburg | 505 |
| Nucor Steel Marion Inc | Marion | 487 |
| Whirlpool Corp - Clyde Operations | Clyde | 467 |
| Cleveland-Cliffs Steel Corp - Mansfield Works | Mansfield | 390 |
| Ellwood Engineered Castings | Hubbard | 384 |
| Whitacre Greer Co | Alliance | 255 |
| Whirlpool Corp Marion Operations | Marion | 250 |
| Fulton Mill Service | Delta | 210 |
| Belden Brick Co Plant 6 | Sugarcreek | 210 |
| Amg Vanadium Llc | Cambridge | 169 |
| Osco Industries Inc Jackson Div | Jackson | 167 |
| Cleveland-Cliffs Tubular Components Llc Walbridge | Walbridge | 150 |
| Osco Industries Inc Portsmouth Div | Portsmouth | 148 |
| St. Marys Foundry Ltd. | Saint Marys | 140 |
| Stein Llc | Cleveland | 135 |
| Walleye Power Llc - Bay Shore Plant | Oregon | 133 |
| The Shepherd Color Co | Cincinnati | 128 |
| Osco Industries Inc New Boston Div | New Boston | 125 |
| Edward C Levy Inc | Canton | 108 |
| Envirite Of Ohio Inc | Canton | 87 |
| Hobart Brothers Co Filler Metals Operations Troy | Troy | 81 |
| Amg Vanadium Llc | Zanesville | 78 |
| Vibrantz Corp | Orrville | 70 |
| Stein Llc | Middletown | 64 |
| Astemo Americas Inc. | Sunbury | 63 |
| Owens Corning Insulating Systems Llc Newark Oh Facility | Newark | 56 |
| Ppg Euclid Pretreatment & Specialty Products | Euclid | 40 |
| Alliance Tubular Products Llc | Alliance | 40 |
| Greer Steel Co | Dover | 39 |
| Quaker City Castings | Salem | 36 |
| Imco Recycling Of Ohio Llc | Uhrichsville | 31 |
| Vesuvius Usa-Conneaut Plant | Conneaut | 25 |
| Tms International Llc | Cuyahoga Heights | 24 |
| Thomas Steel Strip Corp | Warren | 22 |
| Turf Care Supply Llc. | Martins Ferry | 20 |
| Novelis Alr Rolled Products Inc | Uhrichsville | 17 |
| Magretech Llc | Bellevue | 17 |
| Vesuvius Usa Corp-Cd | Brook Park | 17 |
| Marietta Industrial Enterprise S Inc. | Marietta | 16 |
| Honda Development & Manufacturing Of America Llc | East Liberty | 16 |
| Basf Corp | Elyria | 15 |
| Tms International Llc | Girard | 14 |
| Nidec Minster Corp | Minster | 13 |
| Armstrong World Industries Hilliard Ohio Plant | Hilliard | 13 |
| Polymer Additives Inc Dba Valtris Specialty Chemicals | Walton Hills | 10 |
| Summitville Tiles Inc Minerva Plant | Minerva | 9 |
| Bekaert Corp | Orrville | 7 |
| Vibrantz Corp | Cleveland | 5 |
| Shepherd Chemical Co | Cincinnati | 4 |
| Stein, Llc | Mansfield | 3 |
| The Pittsburgh Paints Co. | Huron | 2 |
| Emery Oleochemicals Llc Cincinnati Plant | Cincinnati | 1 |
| Federal Mogul Corp | Van Wert | 0 |
| Americhem Inc Scp | Cuyahoga Falls | 0 |
| Purina Animal Nutrition Llc - Massillon | Massillon | 0 |
| Purina Animal Nutrition Llc - Lima | Lima | 0 |
| Sika Corp-Marion Operations | Marion | 0 |
| Crown Equipment Corp | Celina | 0 |
| Cirba Solutions Us Inc | Lancaster | 0 |
| Nachurs Alpine Solutions | Marion | 0 |
| Cincinnati Incorporated-Cincinnati Inc Tp 2 | Harrison | 0 |
| Belden Brick Co Plant 3 | Sugarcreek | 0 |
| Provimi Na Inc | Lewisburg | 0 |
| The Andersons Upper Sandusky Terminal | Upper Sandusky | 0 |
| Aurora Plastics Inc | Streetsboro | 0 |
| Bowerston Shale Co | Bowerston | 0 |
| Belden Brick Plant 4 | Sugarcreek | 0 |
| Purina Animal Nutrition Llc - Orrville | Orrville | 0 |
| Ironrock Capital Inc | Canton | 0 |
| Glen-Gery Corp | Iberia | 0 |
| Bowerston Shale Co | Newark | 0 |
| Purina Animal Nutrition Llc - Washington Court House | Washington Court House | 0 |
| Cooper Farms East Mill | Fort Recovery | 0 |
| Arcelormittal Tubular Products Usa Llc | Marion | 0 |
| Fort Amanda Specialties Llc | Lima | 0 |
| Agc Automotive Americas Co. | Bellefontaine | 0 |
| Ultium Cells Llc | Warren | 0 |
| Cooper Farms Inc | Fort Recovery | 0 |
| Sherwin-Williams Co | Columbus | 0 |
| Harsco Minerals - Warren | Warren | 0 |