| FSFlorida Septic INC | Hawthorne | FL | — | ◐ LIKELY ACTIVE |
| FRFolsom Ready Mix INC Plant 1 | Rancho Cordova | CA | — | ◐ LIKELY ACTIVE |
| FCFowlkes Concrete & Construction Company | Dyersburg | TN | — | ◐ LIKELY ACTIVE |
| FRFreedom Ready Mix | Jacksonville | TX | — | ◐ LIKELY ACTIVE |
| GBGarrott Brothers Continuous Mix Inc.- Station Camp | Gallatin | TN | — | ◐ LIKELY ACTIVE |
| GSGeneral Shale Brick, INC. Dba Tri-cities Block - Plant #58 | Piney Flats | TN | — | ◐ LIKELY ACTIVE |
| GRGlasscock Ready Mix Concrete LLC - Plant 2 Broad Street | Sumter | SC | — | ◐ LIKELY ACTIVE |
| GFGloster Forest Products, LLC | Gloster | MS | — | ◐ LIKELY ACTIVE |
| GCGobble Concrete, INC. | Lexington | NC | — | ◐ LIKELY ACTIVE |
| GCGossett Concrete Pipe | Greenville | SC | — | ◐ LIKELY ACTIVE |
| GCGrahams Concrete Supply | Culloden | WV | — | ◐ LIKELY ACTIVE |
| GCGresser CO INC - Shakopee | Shakopee | MN | — | ◐ LIKELY ACTIVE |
| GRGriswold Ready Mix Concrete INC | Jacksonville | FL | — | ◐ LIKELY ACTIVE |
| GCGsp Concrete LLC | Duncan | SC | — | ◐ LIKELY ACTIVE |
| HPHanover Prest Paving Brick Plt | Hanover | PA | — | ◐ LIKELY ACTIVE |
| HPHanson Pipe and Products INC Salem Plant 2 | Salem | VA | — | ◐ LIKELY ACTIVE |
| HRHard Rock & Redi Mix INC Main Plant | Salida | CO | — | ◐ LIKELY ACTIVE |
| HCHarper Company | Hebron | SC | — | ◐ LIKELY ACTIVE |
| HMHavin Material Service-st Clair Plant | Saint Clair | MO | — | ◐ LIKELY ACTIVE |
| HFHeber-binggeli Facility | Charleston | UT | — | ◐ LIKELY ACTIVE |
| HHHi Hill Ready Mix Company | Seymour | IN | — | ◐ LIKELY ACTIVE |
| HBHilltop Basic Resources INC. Downtown Ready Mix | Cincinnati | OH | — | ◐ LIKELY ACTIVE |
| HIHolcim-wcr INC - Francis | Longmont Area | CO | — | ◐ LIKELY ACTIVE |
| HCHolroyd CO Nisqually Pit | Olympia | WA | — | ◐ LIKELY ACTIVE |
| HCHommel Concrete Company | Newport | TN | — | ◐ LIKELY ACTIVE |
| HDHouston Division of B & B Concrete CO INC. | Houston | MS | — | ◐ LIKELY ACTIVE |
| HPHuey P Stockstill LLC - Tycer Plant #2 | Hammond | LA | — | ◐ LIKELY ACTIVE |
| IVIllinois Valley Paving CO | Decatur | IL | — | ◐ LIKELY ACTIVE |
| IKImi Kentucky LLC | Richmond | KY | — | ◐ LIKELY ACTIVE |
| ISImi South LLC | Carrollton | KY | — | ◐ LIKELY ACTIVE |
| ISImi South LLC | Madisonville | KY | — | ◐ LIKELY ACTIVE |
| ISImi South LLC | Campbellsville | KY | — | ◐ LIKELY ACTIVE |
| ISImi South LLC | Oak Grove (christian) | KY | — | ◐ LIKELY ACTIVE |
| ISImi South LLC | Warsaw | KY | — | ◐ LIKELY ACTIVE |
| ISImi South LLC | Lawrenceburg | KY | — | ◐ LIKELY ACTIVE |
| ISImi South LLC | Georgetown (scott) | KY | — | ◐ LIKELY ACTIVE |
| ISImi South LLC - Harrodsburg 876 | Harrodsburg | KY | — | ◐ LIKELY ACTIVE |
| ITImi Tennessee, LLC | Clarksville | TN | — | ◐ LIKELY ACTIVE |
| ITImi Tennessee, LLC Dba Imi-tn, INC. - Franklin | Franklin | TN | — | ◐ LIKELY ACTIVE |
| ITImi Tennessee, LLC Dba Imi Tn, LLC - Cumberland City | Cumberland City | TN | — | ◐ LIKELY ACTIVE |
| IIImi -tn, INC. | Jamestown | TN | — | ◐ LIKELY ACTIVE |
| IRIngram Readymix Boerne | Boerne | TX | — | ◐ LIKELY ACTIVE |
| IHInterstate Highway Const- Gen 72-34 | Fountain 3.2 Mi. W of | CO | — | ◐ LIKELY ACTIVE |
| IHInterstate Highway Construction | Denver | CO | — | ◐ LIKELY ACTIVE |
| IMIrving Materials INC Indpls Plant 5 | Indianapolis | IN | — | ◐ LIKELY ACTIVE |
| IMIrving Materials INC Kinser Pike Plt | Bloomington | IN | — | ◐ LIKELY ACTIVE |
| JRJahna Ranch Readymix Facility I | Davenport | FL | — | ◐ LIKELY ACTIVE |
| JAJ and J Concrete | Coldwater | MS | — | ◐ LIKELY ACTIVE |
| JPJensen Precast | Sacramento | CA | — | ◐ LIKELY ACTIVE |
| JJJ J Ferguson, Pretress and Precast Company Greenwood | Greenwood | MS | — | ◐ LIKELY ACTIVE |
| JCJohnson Concrete Company | Concord | NC | — | ◐ LIKELY ACTIVE |
| JCJohnson Concrete Products CO. | Hastings | NE | — | ◐ LIKELY ACTIVE |
| JCJ&r Constructors Group (asphalt Plant)(portable)(air) | Portable | KS | — | ◐ LIKELY ACTIVE |
| JCJ&s Concrete Number 1 Old | Lancaster | SC | — | ◐ LIKELY ACTIVE |
| KCKay Concrete Materials-aurora | Aurora | MO | — | ◐ LIKELY ACTIVE |
| KWKc Wilbert Vault | Grandview | MO | — | ◐ LIKELY ACTIVE |
| KCKelly's Concrete & Building Materials INC | Fremont | CA | — | ◐ LIKELY ACTIVE |
| KCKentucky Concrete INC E-town # 1 | Elizabethtown | KY | — | ◐ LIKELY ACTIVE |
| KCKentucky Concrete INC - Shelby CO Concrete INC | Shelbyville | KY | — | ◐ LIKELY ACTIVE |
| KRKern's Ready Mixed Concrete, INC. | Stillwater | OK | — | ◐ LIKELY ACTIVE |
| KRKerr's Redi Mix INC | Centre | AL | — | ◐ LIKELY ACTIVE |
| KCKienstra Concrete (missouri Bottom Rd) | Bridgeton | MO | — | ◐ LIKELY ACTIVE |
| KRKnight's Redi-mix (jedburg Facility) | Summerville | SC | — | ◐ LIKELY ACTIVE |
| KCKuhlman Concrete, LLC | Fort Myers | FL | — | ◐ LIKELY ACTIVE |
| LPLafarge Powers Ready Mix | Carbondale | CO | — | ◐ LIKELY ACTIVE |
| LSLan Se, LLC Dba Gate Precast Company | Ashland City | TN | — | ◐ LIKELY ACTIVE |
| LBLee Building Products | Murfreesboro | TN | — | ◐ LIKELY ACTIVE |
Leo O'laughlin Inc-leo O'laughlin INC | Shelbina | MO | — | ◐ LIKELY ACTIVE |
| LCLexington Concrete and Block Company, INC. | Mendenhall | MS | — | ◐ LIKELY ACTIVE |
| LCLexington Concrete and Block Company Inc, Lexington Plant | Lexington | MS | — | ◐ LIKELY ACTIVE |
| LCLexington Concrete and Block Company Inc, Pearl Plant | Pearl | MS | — | ◐ LIKELY ACTIVE |
| LRLincoln Ready Mix Concrete | Lincoln | DE | — | ◐ LIKELY ACTIVE |
| LPLongleaf Packaging | Holly Hill | SC | — | ◐ LIKELY ACTIVE |
| LRLoveland Ready Mix | Loveland | CO | — | ◐ LIKELY ACTIVE |
| LSLuck Stone | Burkeville | VA | — | ◐ LIKELY ACTIVE |
| LSLuck Stone - South Richmond Plant | Richmond | VA | — | ◐ LIKELY ACTIVE |
| MCMagnolia Cbp | Magnolia | TX | — | ◐ LIKELY ACTIVE |
| MRMainline Ready Mix | Fort Myers | FL | — | ◐ LIKELY ACTIVE |
| MIManatts INC | Ankeny | IA | — | ◐ LIKELY ACTIVE |
| MCMarshall Concrete | Christiansburg | VA | — | ◐ LIKELY ACTIVE |
| MCMaschmeyer Concrete - Okeechobee Plant | Okeechobee | FL | — | ◐ LIKELY ACTIVE |
| MPMetro Products & Const-robeson | Lumberton | NC | — | ◐ LIKELY ACTIVE |
| MRMetro Ready Mix | Prince George | VA | — | ◐ LIKELY ACTIVE |
| MCMeuth Concrete - Cadiz Plant | Cadiz | KY | — | ◐ LIKELY ACTIVE |
| MCMeuth Construction Supply | Madisonville | KY | — | ◐ LIKELY ACTIVE |
| MBMichels Batch Plant - Berthold | Berthold | ND | — | ◐ LIKELY ACTIVE |
| MBMidwest Block & Brick-kansas City Plant | Kansas City | MO | — | ◐ LIKELY ACTIVE |
| MCMidwest Concrete Materials - Lawrence (e 23rd)(air) | Lawrence | KS | — | ◐ LIKELY ACTIVE |
| MCMidwest Concrete Materials - Plant #36 (air) | Ottawa | KS | — | ◐ LIKELY ACTIVE |
| MPMidwest Products - Hanover Plant | Hanover | KS | — | ◐ LIKELY ACTIVE |
| MPMidwest Products - Washington Plant | Washington | KS | — | ◐ LIKELY ACTIVE |
| MCMilestone Contractors, L.p. | New Haven | IN | — | ◐ LIKELY ACTIVE |
| MRMintek Resources Incorporated | Indianapolis | IN | — | ◐ LIKELY ACTIVE |
| MRMission Ready Mix - Goleta | Goleta | CA | — | ◐ LIKELY ACTIVE |
| MMMmc Materials Inc, Amory | Amory | MS | — | ◐ LIKELY ACTIVE |
| MMMmc Materials Inc, Greenwood | Greenwood | MS | — | ◐ LIKELY ACTIVE |
| MMMmc Materials Inc, Indianola | Indianola | MS | — | ◐ LIKELY ACTIVE |
| MMMmc Materials, INC. - Memphis (old US 78 Plant) | Memphis | TN | — | ◐ LIKELY ACTIVE |
| MMMmc Materials, INC. Oakland | Oakland | TN | — | ◐ LIKELY ACTIVE |
| MMMmc Materials Inc, Wiggins | Wiggins | MS | — | ◐ LIKELY ACTIVE |