| OEOrion Engineered Carbons | Belpre | OH | Petroleum and Coal Products Manufacturing324199 | 20-99 | ● ACTIVE |
| PRPremcor Refining Group INC - Lima Refinery | Lima | OH | Petroleum and Coal Products Manufacturing324110 | 500+ | ● ACTIVE |
| SESuncoke Energy Middletown Operations | Middletown | OH | Petroleum and Coal Products Manufacturing324199 | 20-99 | ● ACTIVE |
| TGThe Garland Company, INC. | Cleveland | OH | Petroleum and Coal Products Manufacturing324122 | 100-499 | ● ACTIVE |
| TIThorworks Industries, INC | Sandusky | OH | Petroleum and Coal Products Manufacturing324121 | — | ● ACTIVE |
| TRToledo Refining Company LLC | Oregon | OH | Petroleum and Coal Products Manufacturing324110 | 100-499 | ● ACTIVE |
Aerospace Lubricants, LLC. | Columbus | OH | Petroleum and Coal Products Manufacturing324191 | 20-99 | ● ACTIVE |
| JCJacobi Carbons, INC. | Columbus | OH | Petroleum and Coal Products Manufacturing324199 | 20-99 | ● ACTIVE |
| MBM & B Asphalt CO INC | Tiffin | OH | Petroleum and Coal Products Manufacturing324121 | 20-99 | ● ACTIVE |
| OROhio Refining Company LLC | Oregon | OH | Petroleum and Coal Products Manufacturing324110 | 500+ | ● ACTIVE |
| BBBenchmark Biodiesel, INC. | Columbus | OH | Petroleum and Coal Products Manufacturing324191 | — | ● ACTIVE |
Kc Marketing LLC | Cincinnati | OH | Petroleum and Coal Products Manufacturing324191 | — | ● ACTIVE |
Tgp Holdings, LLC | Akron | OH | Petroleum and Coal Products Manufacturing324199 | — | ● ACTIVE |
Topps Products INC | Cleveland | OH | Petroleum and Coal Products Manufacturing324191 | — | ● ACTIVE |
| VAValley Asphalt CORP | Cincinnati | OH | Petroleum and Coal Products Manufacturing324121 | 100-499 | ● ACTIVE |
Varouh Oil, INC. | Elyria | OH | Petroleum and Coal Products Manufacturing324191 | — | ● ACTIVE |
| FBFiske Brothers Refining CO | Toledo | OH | Petroleum and Coal Products Manufacturing324191 | 20-99 | ◐ LIKELY ACTIVE |
| AEAmerican Electric Power Gavin Plant | Cheshire | OH | Petroleum and Coal Products Manufacturing324199 | — | ◐ LIKELY ACTIVE |
| EOEmery Oleochemicals | Cincinnati | OH | Petroleum and Coal Products Manufacturing324191 | — | ◐ LIKELY ACTIVE |
| EPEtna Products INC | Chagrin Falls | OH | Petroleum and Coal Products Manufacturing324191 | 20-99 | ◐ LIKELY ACTIVE |
| GMGerken Materials INC | Napoleon | OH | Petroleum and Coal Products Manufacturing324121 | 20-99 | ◐ LIKELY ACTIVE |
| HNHaverhill North Cogeneration Facility | Franklin Furnace | OH | Petroleum and Coal Products Manufacturing324199 | — | ◐ LIKELY ACTIVE |
| LSLTD Steel Coke Plant | Warren | OH | Petroleum and Coal Products Manufacturing324199 | — | ◐ LIKELY ACTIVE |
| MPMarathon Petroleum Company LP - Canton Refinery (1576002006) | Canton | OH | Petroleum and Coal Products Manufacturing324110 | — | ◐ LIKELY ACTIVE |
| MBMfm Building Products CORP. | Coshocton | OH | Petroleum and Coal Products Manufacturing324122 | 20-99 | ◐ LIKELY ACTIVE |
| OFOwens-corning Fiberglass Trumbull * | Medina | OH | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| PPP&t Products INC | Sandusky | OH | Petroleum and Coal Products Manufacturing324121 | 20-99 | ◐ LIKELY ACTIVE |
| QCQuaker Chemical CORP | Middletown | OH | Petroleum and Coal Products Manufacturing324191 | — | ◐ LIKELY ACTIVE |
| SMShelly Materials Plant #90 | Columbus | OH | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| TITremco INC | Cleveland | OH | Petroleum and Coal Products Manufacturing324122 | — | ◐ LIKELY ACTIVE |
| ARAtlas Roofing Corporation, Franklin Roofing Facility (1483040201) | Franklin | OH | Petroleum and Coal Products Manufacturing324122 | — | ◐ LIKELY ACTIVE |
| CLCertainteed LLC (0322000017) | Milan | OH | Petroleum and Coal Products Manufacturing324122 | — | ◐ LIKELY ACTIVE |
| SIStoneco INC Maumee Plant | Maumee | OH | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| AMAsphalt Materials, INC. | Oregon | OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CIChs INC Kenton Lube Plant | Kenton | OH | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| CICrafco Inc-youngstown | Youngstown | OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| HRHeartland Refinery Group LLC | Columbus | OH | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| MPMarathon Petroleum Company LP | North Bend | OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| SISoprema INC | Wadsworth | OH | Petroleum and Coal Products Manufacturing324122 | — | ◇ UNVERIFIED |
| TMTerry Materials INC | Hamilton | OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| TBThe Blaster Chemical Companies | Valley View | OH | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| ACAllied Corporation Plant #71 | Bedford Heights | OH | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| ACAllied CORP - Plant 74a | North Jackson | OH | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| BPBarrett Paving Materials INC | Fairborn | OH | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| BABowers Asphalt & Paving, INC (0387040084) | Walbridge | OH | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| CCCertainteed CORP. | Milan | OH | Petroleum and Coal Products Manufacturing324122 | 100-499 | ◐ LIKELY ACTIVE |
| EMErie Materials INC. (0322020211) | Sandusky | OH | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| GMGerken Materials, INC. | Napoleon | OH | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| GMGerken Materials INC -p901(formerly Ston | Archbold | OH | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| GMGerken Materials INC Plant 11 | West Millgrove | OH | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |