| LMLafarge Mid Atlantic New Orleans East Rmx | New Orleans | — | ◇ UNVERIFIED |
| LNLafarge North America - Houma Plant | Houma | — | ◇ UNVERIFIED |
| LNLafarge North America INC - Gramercy Pla | Gramercy | — | ◇ UNVERIFIED |
| LMLafayette Marble and Granite INC. | Lafayette | — | ◇ UNVERIFIED |
| LCLaplace Concrete INC | Laplace | — | ◇ UNVERIFIED |
| LBLeblanc Brothers Ready Mix, INC. | Houma | — | ◇ UNVERIFIED |
| LGLibbey Glass, INC. | Shreveport | — | ◇ UNVERIFIED |
| MMMartin Marietta Materials, INC | Alexandria | — | ◇ UNVERIFIED |
| MMMartin Marietta Materials, INC. | Shreveport | — | ◇ UNVERIFIED |
| MGMonroe Graphics Portable Ready Mix | Monroe | — | ◇ UNVERIFIED |
| MIMusa, INC. | Terrytown | — | ◇ UNVERIFIED |
| NSNatural Stone Design of Louisiana, LLC | Harahan | — | ◇ UNVERIFIED |
| PRPai Ready Mix LLC - Ellender Facility | Sulphur | — | ◇ UNVERIFIED |
| PCPavestone Company, LLC. | Lacombe | — | ◇ UNVERIFIED |
| PTPebble Technology International | Pearl River | — | ◇ UNVERIFIED |
| PAPort Aggregate, Inc.* | Opelousas | — | ◇ UNVERIFIED |
| PAPort Aggregates, INC | Lafayette | — | ◇ UNVERIFIED |
| PCPre-cast Concrete Step Co., INC. | New Orleans | — | ◇ UNVERIFIED |
| PSPrecision Stone & Granite, INC. | Scott | — | ◇ UNVERIFIED |
| PKPreviously King's Marble | Gretna | — | ◇ UNVERIFIED |
| QCQuikrete Construction Materials, LLC - Quikrete Rady Mix-buras Plant | Nairn | — | ◇ UNVERIFIED |
| QCQuikrete Construction Materials, Llc-quikrete Ready Mix:harvey Plant | Harvey | — | ◇ UNVERIFIED |
| QCQuikrete Construction Materials, LLC - Quikrete Ready Mix - St. Rose Plant | Saint Rose | — | ◇ UNVERIFIED |
| RMReady Mix Usa, LLC - Sulphur Plant | Sulphur | — | ◇ UNVERIFIED |
| RCRemedial Construction Services LP - Cameron Liquefaction Project Cbp #3 | Hackberry | — | ◇ UNVERIFIED |
| RRRiver Rock Stone Works, INC. | Scott | — | ◇ UNVERIFIED |
| SJSaint Joe Brick Works INC | Pearl River | — | ◇ UNVERIFIED |
| SASGMW Acquisition Company, LLC | New Orleans | — | ◇ UNVERIFIED |
| SSS.i. Shreveport Corporation | Shreveport | — | ◇ UNVERIFIED |
| SMSouthern Meter Box, INC. | Alexandria | — | ◇ UNVERIFIED |
| SPSouthwestern Packaging & Seals | Shreveport | — | ◇ UNVERIFIED |
| SMSt Martin Land CO #1 Production Facility - Section 28 Oil & Gas Field | Parks | — | ◇ UNVERIFIED |
| SISuhor Industries | Shreveport | — | ◇ UNVERIFIED |
 Syrah Technologies LLC - Active Anode Material Facility | Vidalia | — | ◇ UNVERIFIED |
| TFTest Facility | Lafayette | — | ◇ UNVERIFIED |
| TFTest Facility 522 | Lafayette | — | ◇ UNVERIFIED |
| TFTest Facility 522 | Hammond | — | ◇ UNVERIFIED |
| TPTest Please Remove | Crowley | — | ◇ UNVERIFIED |
| TITexas Industries, INC. | Shreveport | — | ◇ UNVERIFIED |
| TCT-mek Corporation L.l.c., Dba Clark Stone | New Orleans | — | ◇ UNVERIFIED |
| TMT Minerals LLC - Perlite Expansion Facility | New Orleans | — | ◇ UNVERIFIED |
| TBTxi Bastrop Ready Mix | Bastrop | — | ◇ UNVERIFIED |
| TOTxi Operations LP - Txi Portable Ready Mix #134 | Portable Source | — | ◇ UNVERIFIED |
