| ABOVE AND BELOW CONTRACTING (PORT-0924) | Air | — | — | — | No Violation Identified |
| APAC-PORTABLE RAP (PORT-0908) | Air | — | — | — | No Violation Identified |
| CAPE GIRARDEAU COUNTY SHERIFF'S OFFICE (PORT-0876) | Air | 1 | — | — | No Violation Identified |
| CAPITAL MATERIALS (PORT-0402) | Air | — | — | — | No Violation Identified |
| CAPITAL MATERIALS (PORT-0445) | Air | 1 | — | — | No Violation Identified |
| CAPITAL MATERIALS (PORT-0852) | Air | — | — | — | No Violation Identified |
| CAPITAL MATERIALS (PORT-0892) | Air | 1 | — | — | No Violation Identified |
| CAPITAL MATERIALS LLC (PORT-0843) | Air | — | — | — | No Violation Identified |
| CAPITAL MATERIALS-PROSIZER (PORT-0836) | Air | — | — | — | No Violation Identified |
| CAPITAL QUARRIES CO. INC (PORT-0930) | Air | — | — | — | No Violation Identified |
| CAPITAL QUARRIES CO. INC (PORT-0931) | Air | — | — | — | No Violation Identified |
| CAPITAL QUARRIES-FREEDOM 2 (PORT-0901) | Air | — | — | — | No Violation Identified |
| CAPITAL QUARRIES-LIBERTY 2 (PORT-0898) | Air | — | — | — | No Violation Identified |
| CLARKSON CONSTRUCTION CO (PORT-0117) | Air | 1 | — | — | No Violation Identified |
| COLUMBIA QUARRY COMPANY (PORT-0943) | Air | — | — | — | No Violation Identified |
| CON AGG OF MO LLC (PORT-0649) | Air | — | — | — | No Violation Identified |
| CON-AGG COMPANIES LLC (PORT-0769) | Air | — | — | — | No Violation Identified |
| CONCO QUARRIES (PORT-0938) | Air | — | — | — | No Violation Identified |
| CONCRETE COMPANY OF THE OZARKS (PORT-0766) | Air | — | — | — | No Violation Identified |
| EMERY SAPP AND SONS INC. - ASPHALT-PLANT 10 (PORT-0950) | Air | — | — | — | No Violation Identified |
| EMERY SAPP AND SONS PLANT 5 (PORT-0811) | Air | — | — | — | No Violation Identified |
| EMERY SAPP AND SONS PLANT 8 (PORT-0441) | Air | — | — | — | No Violation Identified |
| EMERY SAPP AND SONS REXCON (PORT-0782) | Air | — | — | — | No Violation Identified |
| ERLEN GROUP (PORT-0863) | Air | — | — | — | No Violation Identified |
| ESI CONTRACTING (PORT-0923) | Air | — | — | — | No Violation Identified |
| FISCHER CONCRETE (PORT-0293) | Air | — | — | — | No Violation Identified |
| FISCHER QUARRY AND HAULING (PORT-0752) | Air | — | — | — | No Violation Identified |
| FISCHER QUARRY AND HAULING LLC (PORT-0686) | Air | — | — | — | No Violation Identified |
| FISCHER QUARRY AND HAULING LLC (PORT-0866) | Air | — | — | — | No Violation Identified |
| GEIGER READY MIX (PORT-0838) | Air | — | — | — | No Violation Identified |
| HERZOG CONTRACTING (PORT-0757) | Air | — | — | — | No Violation Identified |
| HERZOG CONTRACTING CORP (PORT-0447) | Air | — | — | — | No Violation Identified |
| HORNERS ROCK MATERIAL LLC (PORT-0942) | Air | — | — | — | No Violation Identified |
| IDEKER, INC (PORT-0805) | Air | — | — | — | No Violation Identified |
| INDIAN CREEK MATERIALS (PORT-0926) | Air | 1 | — | — | No Violation Identified |
| INDIAN CREEK MATERIALS - (PORT-0899) | Air | 1 | — | — | No Violation Identified |
| INDIAN CREEK MATERIALS LLC (PORT-0788) | Air | — | — | — | No Violation Identified |
| JONES FAMILY SUPPLIES (PORT-0839) | Air | — | — | — | No Violation Identified |
| KISSICK CONSTRUCTION CO (PORT-0861) | Air | — | — | — | No Violation Identified |
| LIBERTY AGGREGATES, LLC (PORT-0878) | Air | — | — | — | No Violation Identified |
| MAGRUDER PAVING CO LLC PROSIZER RAP (PORT-0698) | Air | — | — | — | No Violation Identified |
| MAGRUDER PAVING LLC (PORT-0667) | Air | — | — | — | No Violation Identified |
| MAGRUDER PAVING LLC (PORT-0813) | Air | — | — | — | No Violation Identified |
| METROPOLITAN CONCRETE (PORT-0895) | Air | 1 | — | — | No Violation Identified |
| METROPOLITAN CONCRETE RECYCLE (PORT-0812) | Air | — | — | — | No Violation Identified |
| METROPOLITAN CONCRETE RECYCLE (PORT-0851) | Air | — | — | — | No Violation Identified |
| METROPOLITAN CONCRETE RECYCLING (PORT-0888) | Air | — | — | — | No Violation Identified |
| MID-MISSOURI MINERAL DIVISION (PORT-0920) | Air | — | — | — | No Violation Identified |
| MID-MISSOURI MINERAL DIVISION LLC (PORT-0912) | Air | — | — | — | No Violation Identified |
| MILLSTONE WEBER (PORTABLE) | Air | 1 | — | — | No Violation Identified |
| N.B. WEST CONTRACTING 18-151 (PORT-0786) | Air | 1 | — | — | No Violation Identified |
| NEW FRONTIER MATERIALS 4250 / 205S PLANT (PORT-0855) | Air | — | — | — | No Violation Identified |
| NEW FRONTIER MATERIALS OPERATIONS ALPHA LLC FAST PACK 2 (PORT-0681) | Air | — | — | — | No Violation Identified |
| NEW FRONTIER MATERIALS TROMMEL SCREEN (PORT-0867) | Air | — | — | — | No Violation Identified |
| NORRIS QUARRIES PLANT 1 (PORT-0701) | Air | — | — | — | No Violation Identified |
| OZARK MOUNTAIN CRUSHING PORTABLE CRUSHER (PORT-0730) | Air | 1 | — | — | No Violation Identified |
| OZARK READY MIX (PORT-0918) | Air | 1 | — | — | No Violation Identified |
| PACE CONSTRUCTION CO (PORT-0781) | Air | — | — | — | No Violation Identified |
| PURSELL HOLDINGS LLC (PORT-0849) | Air | — | — | — | No Violation Identified |
| QBQ PORTABLE CRUSHING PLANT 1 (PORT-0819) | Air | — | — | — | No Violation Identified |
| QBQ PORTABLE CRUSHING PLANT 4 (PORT-0934) | Air | — | — | — | No Violation Identified |
| RAY COUNTY STONE (PORT-0933) | Air | — | — | — | No Violation Identified |
| ROCKRIDGE QUARRY (PORT-0886) | Air | 1 | — | — | No Violation Identified |
| SCHILDBERG CONSTRUCTION CO (PORT-0675) | Air | — | — | — | No Violation Identified |
| SCOTT COUNTY AGGREGATE, LLC. (PORT-0790) | Air | — | — | — | No Violation Identified |
| SEMO READY MIX (PORT-0740) | Air | — | — | — | No Violation Identified |
| TABLE ROCK ASPHALT CONSTRUCTION CO INC (PORT-0713) | Air | — | — | — | No Violation Identified |
| THOMAS CRUSHING LLC (PORT-0929) | Air | 1 | — | — | No Violation Identified |
| TRI LAKES REDI MIX (PORT-0911) | Air | — | — | — | No Violation Identified |