| CCetco | Lovell | WY | — | ◇ UNVERIFIED |
| CRChattanooga River Terminal | Chattanooga | TN | — | ◇ UNVERIFIED |
| CPCimbar Performance Minerals | Mount Vernon | IN | — | ◇ UNVERIFIED |
| CRCimbar Resources, INC | Wellsville | OH | — | ◇ UNVERIFIED |
| CTCleveland Trencher | Euclid | OH | — | ◇ UNVERIFIED |
| CEClintwood Elkhorn Mining Llc- Bee Branch | Hurley | VA | — | ◇ UNVERIFIED |
| CEClodine Expanded Shale & Clay Products | Richmond | TX | — | ◇ UNVERIFIED |
| CNC & N CORP. | Galena | KS | — | ◇ UNVERIFIED |
| CICnh Industrial America, LLC | Calhoun | GA | — | ◇ UNVERIFIED |
| CWCoast Wide Ready Mix | Tillamook | OR | — | ◇ UNVERIFIED |
| CMColeman Manufacturing | Everett | MA | — | ◇ UNVERIFIED |
| CMColombo Mine | Sierra City | CA | — | ◇ UNVERIFIED |
| CCColumbia City Mill Services | Columbia City | IN | — | ◇ UNVERIFIED |
| CFConstruction Forms INC | Grafton | WI | — | ◇ UNVERIFIED |
| CICoorstek, Inc.- South Table Mountain | Golden | CO | — | ◇ UNVERIFIED |
| CMCorley Manufacturing CO. | Chattanooga | TN | — | ◇ UNVERIFIED |
| CLCornerstone - Lakeview Process Site | Lakeview | OR | — | ◇ UNVERIFIED |
| CECrc Evans Houston Automatic Welding | Houston | TX | — | ◇ UNVERIFIED |
| CRCti Ready Mix | Johnston | IA | — | ◇ UNVERIFIED |
| CTCustom Truck | Kansas City | MO | — | ◇ UNVERIFIED |
| CTCustom Truck One Source | Cabot | AR | — | ◇ UNVERIFIED |
| CUCzm Usa, CORP. | Pembroke | GA | — | ◇ UNVERIFIED |
| DSDennis Stewart Equipment Rental INC - Portable Crusher | Baton Rouge | LA | — | ◇ UNVERIFIED |
| DRDerichebourg Recycling USA | Houston | TX | — | ◇ UNVERIFIED |
| DMDes Moines, City of | Des Moines | IA | — | ◇ UNVERIFIED |
| DMDicalite Management Group INC | Pennsauken | NJ | — | ◇ UNVERIFIED |
| DMDicaperl Minerals / Dicaperl Minerals | Noble | OK | — | ◇ UNVERIFIED |
| DPDicaperl Perlite Filter Facility | Thomaston | ME | — | ◇ UNVERIFIED |
| DSDixon Southwestern Graphite INC | Lakehurst | NJ | — | ◇ UNVERIFIED |
| DBDoosan Bobcat North America-accelerator Center | Bismarck | ND | — | ◇ UNVERIFIED |
| DIDoosan Infracore Construction Equipment | Wahpeton | ND | — | ◇ UNVERIFIED |
| DDDouglas Dynamics, LLC | Johnson City | TN | — | ◇ UNVERIFIED |
| DDDracola Drilling and Completion Laboratory | Grand Forks | ND | — | ◇ UNVERIFIED |
| EPEagle Project, LLC. | Birmingham | AL | — | ◇ UNVERIFIED |
| ECEdward C. Levy CO. INC. - Contractor of | East Chicago | IN | — | ◇ UNVERIFIED |
| EMElkin Mfg INC | Indiana | PA | — | ◇ UNVERIFIED |
| EHEnergy Home Insulation INC | East Peoria | IL | — | ◇ UNVERIFIED |
| ECEssroc Cement CORP. | Camden | NJ | — | ◇ UNVERIFIED |
| EUEuroactions USA LLC | Newnan | GA | — | ◇ UNVERIFIED |
| EIEz-liner INC | Hull | IA | — | ◇ UNVERIFIED |
| FCFlink CO | Streator | IL | — | ◇ UNVERIFIED |
| FIFoley INC | Piscataway | NJ | — | ◇ UNVERIFIED |
| FEFranklin Equipment CO | Franklin | VA | — | ◇ UNVERIFIED |
| FMFulton Mill Service CO | Delta | OH | — | ◇ UNVERIFIED |
| GDGardner Denver Mining & Construction | Roanoke | VA | — | ◇ UNVERIFIED |
| GOGcc of Denver INC | Henderson | CO | — | ◇ UNVERIFIED |
| GAGcp Applied Tecnologies, INC. | Irondale | AL | — | ◇ UNVERIFIED |
| GIGenie Industries | Redmond | WA | — | ◇ UNVERIFIED |
| GFGines Family Trust | Tabiona | UT | — | ◇ UNVERIFIED |
| GCGleason Clay Company, LLC | Gleason | TN | — | ◇ UNVERIFIED |
| GOGlenn O Hawbaker/canton Aggregate Plt 21 | Canton | PA | — | ◇ UNVERIFIED |
| GIGrasan, INC. | Mansfield | OH | — | ◇ UNVERIFIED |
| GGGreen Global | New Haven | WV | — | ◇ UNVERIFIED |
| GMGreenstone Materials LLC | Ruckersville | VA | — | ◇ UNVERIFIED |
| HHallam | Hallam | NE | — | ◇ UNVERIFIED |
| HMHallett Materials | Des Moines | IA | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services | Grand Junction | CO | — | ◇ UNVERIFIED |
| HEHalliburton Energy Svcs | Grand Junction Area | CO | — | ◇ UNVERIFIED |
| HSHanson Slag Cement INC | Cape Canaveral | FL | — | ◇ UNVERIFIED |
| HCHarborlite Corporation | Youngsville | NC | — | ◇ UNVERIFIED |
| HCHarsco CO Heckett Multiserv Plant 49 | Blytheville | AR | — | ◇ UNVERIFIED |
| HMHarsco Metals - Coatesville | Coatesville | PA | — | ◇ UNVERIFIED |
| HMHarsco Metals - Gallatin | Ghent | KY | — | ◇ UNVERIFIED |
| HMHarsco Metals - Natrona Facility - Gate 10 | Natrona Heights | PA | — | ◇ UNVERIFIED |
| HMHarsco Metals - Warren | Warren | OH | — | ◇ UNVERIFIED |
| HMHarsco Multiserv Plant 69 | Tuscaloosa | AL | — | ◇ UNVERIFIED |
| HRHarsco - Reed Minerals Division | Gary | IN | — | ◇ UNVERIFIED |
| HTHarsco Track Technologies | Fairmont | MN | — | ◇ UNVERIFIED |
| HHHarso Heckett Multiserv Plant 67 | Pueblo | CO | — | ◇ UNVERIFIED |
| HRHcma Rhq | Newnan | GA | — | ◇ UNVERIFIED |
| HPHeckett Plant #21 | Natrona Heights | PA | — | ◇ UNVERIFIED |
| HMHeidelberg Materials - Canaveral Port Authority | Cape Canaveral | FL | — | ◇ UNVERIFIED |
| HMHercules Machinery Corporation | Fort Wayne | IN | — | ◇ UNVERIFIED |
| HIHolcim (us) INC | Des Moines | IA | — | ◇ UNVERIFIED |
| HRHolliday Rock Co., INC. | Rialto | CA | — | ◇ UNVERIFIED |
| HCHomelite Consumer Products INC. | Anderson | SC | — | ◇ UNVERIFIED |
| HCHyundai Construction Equipment USA | Norcross | GA | — | ◇ UNVERIFIED |
| IDIcmi/nukote Dunbar Plt | Connellsville | PA | — | ◇ UNVERIFIED |
| IGImerys Greeneville, INC. | Greeneville | TN | — | ◇ UNVERIFIED |
| IPImerys Perlite Usa, INC | Quincy | FL | — | ◇ UNVERIFIED |
| IMIndustrial Minerals | Kings Creek | SC | — | ◇ UNVERIFIED |
| IRInnovative Recycling | Galion | OH | — | ◇ UNVERIFIED |
| IMInternational Mill Services | Tuscaloosa | AL | — | ◇ UNVERIFIED |
| IIIsolatek International INC | San Bernardino | CA | — | ◇ UNVERIFIED |
| IMIsp Minerals Charmian Quarry | Blue Ridge Summit | PA | — | ◇ UNVERIFIED |
| JIJarraff Industries | Saint Peter | MN | — | ◇ UNVERIFIED |
| JAJewell Attachments LLC | Tualatin | OR | — | ◇ UNVERIFIED |
| JGJoy Global Mining LLC | Wellington | UT | — | ◇ UNVERIFIED |
| JCJrb Company, INC. | Chattanooga | TN | — | ◇ UNVERIFIED |
| KCKennedy Concrete | Vineland City | NJ | — | ◇ UNVERIFIED |
| KIKiewit Infrastructure CO. | Pacific Junction | IA | — | ◇ UNVERIFIED |
| KEKing's Excavating | Canton | OH | — | ◇ UNVERIFIED |
| KCKinsley Const Inc/w Filler Ensminger & Williams Quarries | York | PA | — | ◇ UNVERIFIED |
| KPKmi Processing LLC | Minerva | OH | — | ◇ UNVERIFIED |
| KRKnife River | Polk County | IA | — | ◇ UNVERIFIED |
| KAKomatsu America International CORP | Newberry | SC | — | ◇ UNVERIFIED |
| KFKomatsu Forest LLC | Shawano | WI | — | ◇ UNVERIFIED |
| KMKt Mica | Spruce Pine | NC | — | ◇ UNVERIFIED |
| LNLafarge North America-mineral Solutions | Eagan | MN | — | ◇ UNVERIFIED |
| LMLaney Materials LLC - Laney Recycling and Aggregates | Laurel | MD | — | ◇ UNVERIFIED |
