| SCSoutheastern Concrete Company Inc, Plant Number 4 | Hattiesburg | — | ◇ UNVERIFIED |
| SASuperior Asphalt Inc, Hazlehurst Plant, Copiah County Number 1 | Hazlehurst | — | ◇ UNVERIFIED |
| SASuperior Asphalt Inc, Hernando Plant | Hernando | — | ◇ UNVERIFIED |
| SASuperior Asphalt Inc, Holmes County Plant Number Two | Pickens | — | ◇ UNVERIFIED |
| SASuperior Asphalt Inc, Jackson | Jackson | — | ◇ UNVERIFIED |
| SASuperior Asphalt Inc, Louisville | Louisville | — | ◇ UNVERIFIED |
| SASuperior Asphalt Inc, Panola County Plant Number One | Batesville | — | ◇ UNVERIFIED |
| SASuperior Asphalt Inc, Philadelphia | Philadelphia | — | ◇ UNVERIFIED |
| SASuperior Asphalt Inc, Scott County Plant Number One | Forest | — | ◇ UNVERIFIED |
| SASuperior Asphalt Inc, Steens Plant | Steens | — | ◇ UNVERIFIED |
| TCTanner Construction Company INC | Prentiss | — | ◇ UNVERIFIED |
| TCTanner Construction Company Inc, State Line Asphalt Plant | State Line | — | ◇ UNVERIFIED |
| VPVicksburg Petroleum Products LLC | Vicksburg | — | ◇ UNVERIFIED |
| WPWarren Paving INC | Hattiesburg | — | ◇ UNVERIFIED |
| WPWarren Paving Inc, Gulfport Plant | Gulfport | — | ◇ UNVERIFIED |
| WEW E Blain and Sons INC | Washington | — | ◇ UNVERIFIED |
| WEW E Blain and Sons Inc, Monticello Plant | Monticello | — | ◇ UNVERIFIED |
| WEW E Blain and Sons Inc, Mount Olive | Mount Olive | — | ◇ UNVERIFIED |
| WEW E Blain and Sons Inc, Sunny Mcdonald Industrial Park Asphalt Plant | Byram | — | ◇ UNVERIFIED |
| WEW E Blain and Sons Inc, Woodville Asphalt Plant | Woodville | — | ◇ UNVERIFIED |
| WCWhitehead Construction Asphalt Plant | Pascagoula | — | ◇ UNVERIFIED |
| WCWhitehead Construction Company Inc, Whitehead Asphalt Plant | Pascagoula | — | ◇ UNVERIFIED |
| WPWilliams Paving Company, Seaway Road | Gulfport | — | ◇ UNVERIFIED |
| ARAtlas Roofing Corporation (Shingle Plant) | Meridian | 20–99 | ◐ LIKELY ACTIVE |
| BBrookhaven | Brookhaven | 20–99 | ◐ LIKELY ACTIVE |
| CPChevron Pascagoula Refinery | Pascagula | 500+ | ◐ LIKELY ACTIVE |
| EAErgon Asphalt & Emulsions, INC | Flowood | — | ◐ LIKELY ACTIVE |
| EAErgon Asphalt & Emulsions, Inc. - Vicksburg | Vicksburg | 20–99 | ◐ LIKELY ACTIVE |
| ERErgon Refining, Inc. | Vicksburg | 100–499 | ◐ LIKELY ACTIVE |
| HSHunt Southland Refining Company - Sandersville Refinery | Heidelberg | 20–99 | ◐ LIKELY ACTIVE |
| JJackson | Jackson | 20–99 | ◐ LIKELY ACTIVE |
| LRLehman Roberts Company- Plant 1 | Kilmichael | 1–19 | ◐ LIKELY ACTIVE |
| LRLehman Roberts Company- Plant 11 | Oxford | 1–19 | ◐ LIKELY ACTIVE |
| LRLehman Roberts Company- Plant 6 | Hernando | 1–19 | ◐ LIKELY ACTIVE |
| LRLehman Roberts- Plant 10 | Byhalia | 1–19 | ◐ LIKELY ACTIVE |
| MMcComb | Mccomb | 20–99 | ◐ LIKELY ACTIVE |
| RCRain CII Carbon - Pruvis | Purvis | 1–19 | ◐ LIKELY ACTIVE |
| RLRheogistics LLC | Picayune | 20–99 | ◐ LIKELY ACTIVE |
| ASAce Sealcoating & Asphalt Repair LLC | Mc Henry | — | ◇ UNVERIFIED |
| AIApac-mississippi INC | Hamilton | — | ◇ UNVERIFIED |
| AIApac-mississippi, INC. | Columbus | — | ◇ UNVERIFIED |
| AMApac Mississippi Inc, Canton | Canton | — | ◇ UNVERIFIED |
| AIApac-mississippi, INC. Canton Asphalt Plant | Canton | — | ◇ UNVERIFIED |
| AMApac Mississippi Inc, Columbia Asphalt Plant | Columbia | — | ◇ UNVERIFIED |
| AMApac Mississippi Inc, Greenville Asphalt Plant | Greenville | — | ◇ UNVERIFIED |
| AMApac Mississippi Inc, Starkville Asphalt Plant | Starkville | — | ◇ UNVERIFIED |
| AMApac Mississippi Inc, Tishomingo Plant | Tishomingo | — | ◇ UNVERIFIED |
| AAAxel Americas LLC | Rosedale | — | ◇ UNVERIFIED |
| DADickerson and Bowen Inc, Mccomb Asphalt Plant #2 | Mccomb | — | ◇ UNVERIFIED |
| DADunn and Bush Construction Llc, Moss Point Facility | Moss Point | — | ◇ UNVERIFIED |