| PCPike County Ready Mix Concrete | Magnolia | — | ◇ UNVERIFIED |
| PBPine Belt Ready Mix Concrete INC | Laurel | — | ◇ UNVERIFIED |
| PPPrecision Packaging INC | Jackson | — | ◇ UNVERIFIED |
| QCQuikrete Companies Inc, The, Picayune 2 | Picayune | — | ◇ UNVERIFIED |
| QPQuikrete - Picayune, Ms Plant | Picayune | — | ◇ UNVERIFIED |
| RURenin US Llc, a Division of Renin Corporation | Tupelo | — | ◇ UNVERIFIED |
| RLRollcon Llc, Onsite Plant | Clinton | — | ◇ UNVERIFIED |
| STSenter Transit Mix Division of Concrete Industries INC | Tupelo | — | ◇ UNVERIFIED |
| SCSequatchie Concrete Service Inc, Helen of Troy Site | Olive Branch | — | ◇ UNVERIFIED |
| SLService Lumber Company | Rolling Fork | — | ◇ UNVERIFIED |
| SCSimpson County Ready Mix Concrete, Plant Number 6 | Magee | — | ◇ UNVERIFIED |
| SCSoutheastern Concrete Company Inc, Collins Facility | Collins | — | ◇ UNVERIFIED |
| SRSouthern Ready Mix , Lucedale Plant | Lucedale | — | ◇ UNVERIFIED |
| SRSouthwest Ready Mix Concrete INC | Summit | — | ◇ UNVERIFIED |
| SRSpencer Ready Mix INC | Jackson | — | ◇ UNVERIFIED |
| SSStone Shop Llc, the | Picayune | — | ◇ UNVERIFIED |
| SDSuper Dry Industries INC | Shuqualak | — | ◇ UNVERIFIED |
| TCTindall Corporation, Moss Point Ready Mix | Moss Point | — | ◇ UNVERIFIED |
| TCTri County Ready Mix | Stringer | — | ◇ UNVERIFIED |
| TCTri County Ready Mix Inc, Stringer Plant | Stringer | — | ◇ UNVERIFIED |
| BGBekeson Glass LLC | Flowood | — | ▲ REPORTED CLOSED |
| BDByram Dunn Utility Products LLC | Byram | 100–499 | ◐ LIKELY ACTIVE |
| CCCaney Creek Dunn Utility Products LLC | Jackson | 1–19 | ◐ LIKELY ACTIVE |
| FCFordice Construction CO | Vicksburg | — | ◐ LIKELY ACTIVE |
| FPF-S Prestress LLC Hattiesburg | Hattiesburg | 20–99 | ◐ LIKELY ACTIVE |
| GJGMS Jackson | Jackson | 1–19 | ◐ LIKELY ACTIVE |
| GHGulftech Holdings LLC | Ocean Springs | — | ◐ LIKELY ACTIVE |
| HQHSA Quikrete | Picayune | 20–99 | ◐ LIKELY ACTIVE |
| JJanpc | Prentiss | 20–99 | ◐ LIKELY ACTIVE |
| MMempc | Como | 1–19 | ◐ LIKELY ACTIVE |
| MLMississippi Limestone CORP | Friars Point | — | ◐ LIKELY ACTIVE |
| NANew Albany Dunn Utility Products LLC | New Albany | 20–99 | ◐ LIKELY ACTIVE |
| RURenin US LLC | Tupelo | 100–499 | ◐ LIKELY ACTIVE |
| RRw-na | Byhalia | 100–499 | ◐ LIKELY ACTIVE |
| SCSEK Corporation / Shook | New Albany | 1–19 | ◐ LIKELY ACTIVE |
| TCTindall Corporation - Mississippi Division | Moss Point | 100–499 | ◐ LIKELY ACTIVE |
| TGTrulite Glass & Aluminum Solutions Grenada | Grenada | 20–99 | ◐ LIKELY ACTIVE |
| UIUSG Interiors Greenville | Greenville | 100–499 | ◐ LIKELY ACTIVE |
| MSMcf Solutions LLC | Hattiesburg | — | ◐ LIKELY ACTIVE |
| ABAbc Block-jackson | Jackson | — | ◇ UNVERIFIED |
| ATApac Tennessee Inc, Starkville | Starkville | — | ◇ UNVERIFIED |
| APApex Products | Ridgeland | — | ◇ UNVERIFIED |
| BAB and B Concrete Company Inc, Alcorn Ready Mix, Biggersville | Rienzi | — | ◇ UNVERIFIED |
| BAB and B Concrete Company Inc, Ripley | Ripley | — | ◇ UNVERIFIED |
| BBB & B Concrete CO INC Oxford Div | Oxford | — | ◇ UNVERIFIED |
| BIBickes, INC. | Jackson | — | ◇ UNVERIFIED |
| BRBulldog Ready Mix, Attala Plant | Sallis | — | ◇ UNVERIFIED |
| CCCity Concrete Company | Olive Branch | — | ◇ UNVERIFIED |
| CEClyde E. Burton | Biloxi | — | ◇ UNVERIFIED |
| CMCoast Materials Company | Biloxi | — | ◇ UNVERIFIED |