| Ply Gem | Sidney | 48.7k |
| Lima Refining Co | Lima | 32.4k |
| Inoac Exterior Systems Llc | Fremont | 26.3k |
| Novacel (Troy Laminating & Coating, Inc) | Troy | 13.7k |
| 3m Co - Medina | Medina | 13.7k |
| Honda Development & Manufacturing Of America Llc | East Liberty | 11.9k |
| Ohio Refining Co | Oregon | 11.4k |
| Abrasive Technology | Lewis Center | 11.0k |
| Toledo Refining Co Llc | Oregon | 9.2k |
| Ppg Industries Inc Barberton | Barberton | 8.8k |
| Avery Dennison Fasson Roll Na | Painesville | 8.2k |
| Avery Dennison - Building 11 | Painesville | 8.1k |
| Avery Dennison Corp Specialty Tape Div | Painesville | 7.5k |
| Pbf Logistics Products Terminal Llc | Toledo | 6.3k |
| Aexcel Corp | Mentor | 6.3k |
| Dermamed Coating Co-Plant 2 | Tallmadge | 6.2k |
| Marathon Petroleum Co Lp Ohio Refining Div | Canton | 6.1k |
| Astro Shapes Llc | Struthers | 6.0k |
| Akron Paint & Varnish Inc. | Akron | 5.5k |
| Guardian Manufacturing Co | Willard | 5.1k |
| Cleveland-Cliffs Cleveland Works Llc Dba Cleveland-Cliffs Wa | Warren | 4.5k |
| Avery Dennison Std-Bldg 19 | Mentor | 4.3k |
| Catexel Nease Llc | Harrison | 4.0k |
| Avery Dennison Building 7 | Painesville | 3.8k |
| American Rheinmetall | Saint Marys | 3.8k |
| Nd Industries | Twinsburg | 3.6k |
| Advanced Polymer Coatings | Avon | 3.5k |
| Americas Styrenics Llc - Marietta | Marietta | 3.5k |
| Schneller Llc | Kent | 3.4k |
| Basf Corp | Greenville | 3.3k |
| Rubber Seal | Dayton | 3.1k |
| Goodrich Aircraft Wheels & Brakes | Troy | 2.8k |
| W J Ruscoe Co Plant Ii | Akron | 2.7k |
| Bostik Inc. | Ashland | 2.4k |
| Rohrer | Wadsworth | 2.3k |
| Kalcor Coatings Co | Willoughby | 2.0k |
| Forest City Technologies Plant 8 | Wellington | 2.0k |
| Weidmann Electrical Technology Inc (0511005006) | Urbana | 2.0k |
| Neaton Auto Products Manufacturing Inc | Eaton | 1.9k |
| Dorn Color Llc | Cleveland | 1.7k |
| Sumiriko Ohio Inc | Bluffton | 1.6k |
| Univar Solutions Usa Inc | Evendale | 1.6k |
| Von Roll Usa Inc | Cleveland | 1.6k |
| Tedia Co Llc | Fairfield | 1.6k |
| The Shepherd Color Co | Cincinnati | 1.5k |
| Ddp Specialty Electronic Materials Us 5 Llc | West Alexandria | 1.5k |
| Dermamed Coatings Co | Tallmadge | 1.3k |
| Univar Solutions Usa | Twinsburg | 1.2k |
| Plaskolite Llc. | Zanesville | 1.1k |
| Cabinetworks Group Middlefield Plant 1 | Middlefield | 949 |
| Sherwin-Williams Co | Massillon | 863 |
| Mplx Terminals Llc - Lima Oh Terminal | Lima | 860 |
| Superior Industrial Solutions Inc | Fairfield | 857 |
| Mplx Terminals Llc - Columbus Oh West Terminal | Columbus | 830 |
| Crown Food Packaging | Toledo | 823 |
| Marathon Pipe Line - Heath Terminal | Heath | 781 |
| Mplx Terminals Llc - Cincinnati Oh Terminal | Cincinnati | 770 |
| Mplx Terminals Llc - Brecksville Oh Terminal | Brecksville | 740 |
| Ppg Industries Ohio Inc Circleville Oh | Circleville | 718 |
| Lubrizol Corp Painesvil Le Plant | Painesville | 637 |
| Harrison Paint Co | Canton | 621 |
| Continental Products Co | Euclid | 601 |
| Sherwin-Williams Co | Columbus | 590 |
| Dap Global Inc | Tipp City | 581 |
| Ford Motor Co - Ohio Assembly Plant | Avon Lake | 570 |
| Sika Corp-Marion Operations | Marion | 558 |
| Spectrum Metal Finishing | Youngstown | 556 |
| Prospira America Corp | Upper Sandusky | 548 |
| Honda Development & Manufacturing Of America Llc - Anna E | Anna | 540 |
| Mplx Terminals Llc - Columbus Oh East Terminal | Columbus | 520 |
| Superior Trim Dba Back In Black | Findlay | 500 |
| Mplx Terminals Llc - Marietta Oh Terminal | Marietta | 480 |
| Ppg Industries Ohio Inc - Delaware | Delaware | 447 |
| Mplx Terminals Llc - Youngstown Oh Terminal | Youngstown | 440 |
| Precision Products Group Inc. | Apple Creek | 414 |
| Mtd Products Inc - Valley City Facility | Valley City | 404 |
| American Colors Inc Dispersion Plant Sandusky Ohio | Sandusky | 366 |
| Chemical Solvents Jennings Road Facility | Cleveland | 255 |
| Valicor Environmental Services Llc | Dayton | 255 |
| Veolia N.a. Inc. | West Carrollton | 255 |
| Chemical Solvents Inc--Denison Facility | Cleveland | 255 |
| Brenntag Great Lakes Llc | Toledo | 255 |
| Legrand Av Blue Ash | Cincinnati | 250 |
| Ppg Industries Ohio Inc (Cl) | Cleveland | 219 |
| Technical Products Inc. | Cleveland | 194 |
| Emd Millipore Corp | Cincinnati | 190 |
| Ineos Pigments Usa Inc | Ashtabula | 190 |
| Holcim (Us) (Including Systech Env. Corp.) | Paulding | 189 |
| Yanfeng Us Automotive Interiors Systems Ii Llc | Bryan | 178 |
| World Fuel Services Massillon Bulk Plant | Massillon | 165 |
| Vibrantz Color Solutions Inc. | Ashtabula | 164 |
| World Fuel Services Monroe Bulk Plant | Monroe | 161 |
| Ineos Pigments Usa Inc | Ashtabula | 160 |
| Bluescope Coated Products Llc | Cambridge | 152 |
| Univar Solutions Usa Inc. - Hamilton | Hamilton | 145 |
| Maintenance Repair Supply Inc/Convertapax | Midvale | 120 |
| World Fuel Services Circleville Bulk Plant | Circleville | 108 |
| Novelis Alr Rolled Products Inc | Ashville | 89 |
| Norplas Industries Inc | Northwood | 80 |
| Axalta Coating Systems Usa Llc | Orrville | 68 |