| APAtlas Pacific Corporation | Bloomington | CA | — | ◇ UNVERIFIED |
| AIATMF, Inc. | Clovis | CA | — | ◇ UNVERIFIED |
| AFAt&t-cable Fluff Removal, Paulding | Paulding | OH | — | ◇ UNVERIFIED |
| AIAura Ii INC | Milwaukee | WI | — | ◇ UNVERIFIED |
| ANAuris Noble LLC | Akron | OH | — | ◇ UNVERIFIED |
| ASAustin South Plant | Austin | TX | — | ◇ UNVERIFIED |
| AIAvantech INC | Brainerd | MN | — | ◇ UNVERIFIED |
| BSBae Systems | Sealy | TX | — | ◇ UNVERIFIED |
| BQBangor Quarry | Bangor | CA | — | ◇ UNVERIFIED |
| BGBarberis Gems, INC | Miami | FL | — | ◇ UNVERIFIED |
| BMBarretts Minerals INC Wellsville Plant | Wellsville | OH | — | ◇ UNVERIFIED |
| BCBasf CORP | Union | NJ | — | ◇ UNVERIFIED |
| BMBasic Metals | Wiley Ford | WV | — | ◇ UNVERIFIED |
| BMBattle Mountain Grinding Plant | Battle Mountain | NV | — | ◇ UNVERIFIED |
| BABay Area Metals Recycling, INC. | Bens Run | WV | — | ◇ UNVERIFIED |
| BBB & B Cedar Company, INC. | Waldron | AR | — | ◇ UNVERIFIED |
| BMB&b Metals Processing CO INC | Newton | WI | — | ◇ UNVERIFIED |
| BMBecker Minerals INC | Cheraw | SC | — | ◇ UNVERIFIED |
| BSBeemsterboer Slag CORP Contractor of Ar | East Chicago | IN | — | ◇ UNVERIFIED |
| BSBeemsterboer Slag Corporation a Contrac | Burns Harbor | IN | — | ◇ UNVERIFIED |
| BZBefesa Zinc US INC. | Rockwood | TN | — | ◇ UNVERIFIED |
| BIBehr Iron & Metal | Rockford | IL | — | ◇ UNVERIFIED |
| BSBending Specialist | Bensenville | IL | — | ◇ UNVERIFIED |
| BMBenton Metal Recycling | Benton Harbor | MI | — | ◇ UNVERIFIED |
| BIBerkshire Investments LLC Dba Chicago Extruded Metals Company | Cicero | IL | — | ◇ UNVERIFIED |
| BABermco Aluminum | Birmingham | AL | — | ◇ UNVERIFIED |
| BRBig River Industries Gravelite Division | Erwinville | LA | — | ◇ UNVERIFIED |
| BIBird Incorporated Granular | Norwood | MA | — | ◇ UNVERIFIED |
| BBBlack Briar Investments, LLC | New Castle | DE | — | ◇ UNVERIFIED |
| BBBlack Briar Investments, LLC | North East | MD | — | ◇ UNVERIFIED |
| BMBluegrass Materials Texas Quarry | Cockeysville | MD | — | ◇ UNVERIFIED |
| BDBo Dean CO INC - Windsor Recycle Plant | Windsor | CA | — | ◇ UNVERIFIED |
| BIBoeker Industries INC. | Corpus Christi | TX | — | ◇ UNVERIFIED |
| BMBolton Metal Prod Co/plt 1 & 4 | Bellefonte | PA | — | ◇ UNVERIFIED |
| BABonnell Aluminum, INC. | Gordonsville | TN | — | ◇ UNVERIFIED |
| BABorbet Alabama INC | Auburn | AL | — | ◇ UNVERIFIED |
| BIB.p.i. (by-product Industries), INC. | Bessemer | AL | — | ◇ UNVERIFIED |
| BRBrothers Recycling CO INC | Birmingham | AL | — | ◇ UNVERIFIED |
| BMBruce Metals INC. | Sparks | NV | — | ◇ UNVERIFIED |
| BRBuellflat Rock Company | Solvang | CA | — | ◇ UNVERIFIED |
| BIBurrell Industries INC. | New Kensington | PA | — | ◇ UNVERIFIED |
| CICalclean, INC. | Vacaville | CA | — | ◇ UNVERIFIED |
| CNCallaghan & Nelson | Wells | NV | — | ◇ UNVERIFIED |
| CDCameron Diversified Prods | Wilcox | PA | — | ◇ UNVERIFIED |
| CTCam Tool & Engineering Inc | North Royalaton | OH | — | ◇ UNVERIFIED |
| CICanam Industries | Lovelock | NV | — | ◇ UNVERIFIED |
| CMCarbide Metals INC | Youngstown | OH | — | ◇ UNVERIFIED |
| CCCarbo Ceramics INC | New Iberia | LA | — | ◇ UNVERIFIED |
| CCCarbo Ceramics INC - Marshfield Plant | Marshfield | WI | — | ◇ UNVERIFIED |
| CCCarbo Ceramics INC. - Mcintyre Plant | Mcintyre | GA | — | ◇ UNVERIFIED |
| CGCarlton Global | Dunn | CA | — | ◇ UNVERIFIED |
| CPCarolina Perlite Company, INC. | Gold Hill | NC | — | ◇ UNVERIFIED |
| CPCarolina Perlite Company, INC. | Gold Hill | NC | — | ◇ UNVERIFIED |
| CSCarolina Stalite CO Aquadale Properties | Norwood | NC | — | ◇ UNVERIFIED |
| CCCarus Chemical CO | Ottawa | IL | — | ◇ UNVERIFIED |
| CNCass Nv, LLC | Mccarran | NV | — | ◇ UNVERIFIED |
| CCCastle Concrete CO Queens Canyon Quarry | Colorado Springs | CO | — | ◇ UNVERIFIED |
| CCCelite Corporation | Quincy | WA | — | ◇ UNVERIFIED |
| CMC-e Minerals Plants 1,2 and 6 | Andersonville | GA | — | ◇ UNVERIFIED |
| CKCentral Ky Process | Lexington | KY | — | ◇ UNVERIFIED |
| CSCentral States Refining CO INC | Versailles | MO | — | ◇ UNVERIFIED |
| CFCentre Foundry & Machine CO. Wheeling | Wheeling | WV | — | ◇ UNVERIFIED |
| CACentury Aluminum of Kentucky General Partnership | Hawesville | KY | — | ◇ UNVERIFIED |
| COCharles O. Hiler & Son in | Walkerton | IN | — | ◇ UNVERIFIED |
| CMCharleston Mill Service | Huger | SC | — | ◇ UNVERIFIED |
| CMCharleston Mill Service | Huger | SC | — | ◇ UNVERIFIED |
| CSCharleston Steel and Metal Company | North Charleston | SC | — | ◇ UNVERIFIED |
| CPChemical Pollution Control of Florida LLC - Unit #2 | Deerfield Beach | FL | — | ◇ UNVERIFIED |
| CIChovanak INC | Helena | MT | — | ◇ UNVERIFIED |
| CLChuck Lorentz | Montrose | CO | — | ◇ UNVERIFIED |
| CPCimbar Performance Minerals | Mount Vernon | IN | — | ◇ UNVERIFIED |
| CCinao | Batavia | OH | — | ◇ UNVERIFIED |
| CMCity Materials Services, INC. | Hermitage | PA | — | ◇ UNVERIFIED |
| COCity of Quapaw Potw | Quapaw | OK | — | ◇ UNVERIFIED |
| CCClariant Corporation - Quincy Operation | Quincy | FL | — | ◇ UNVERIFIED |
| CPClimax Performance Material | Golden | CO | — | ◇ UNVERIFIED |
| CEClodine Expanded Shale & Clay Products | Richmond | TX | — | ◇ UNVERIFIED |
| CNC & N CORP. | Galena | KS | — | ◇ UNVERIFIED |
| CWCoast Wide Ready Mix | Tillamook | OR | — | ◇ UNVERIFIED |
| CSCoatesville Scrap Iron & Metal Fac | Coatesville | PA | — | ◇ UNVERIFIED |
| CMColeman Manufacturing | Everett | MA | — | ◇ UNVERIFIED |
| CMColombo Mine | Sierra City | CA | — | ◇ UNVERIFIED |
| CMColumbia Metal Products CO | Kansas City | MO | — | ◇ UNVERIFIED |
| CIColumbine Iron & Metal | Erie | CO | — | ◇ UNVERIFIED |
| CEComax Enterprises, INC. | Riverdale | IL | — | ◇ UNVERIFIED |
| CMCommercial Metals CO | Joplin | MO | — | ◇ UNVERIFIED |
| CMCommercial Metals Company Recycling | Jacksonville | FL | — | ◇ UNVERIFIED |
| CMCommerial Metals Company | Waco | TX | — | ◇ UNVERIFIED |
| CRCommodity Resource & Envrnmtl | Mojave | CA | — | ◇ UNVERIFIED |
| CACommonwealth Aluminum Carson Rolling Mill | Long Beach | CA | — | ◇ UNVERIFIED |
 Constellium Rolled Products - Ravenswood | Ravenswood | WV | — | ◇ UNVERIFIED |
| CMContact Mining Company | Philipsburg | MT | — | ◇ UNVERIFIED |
| CAContinental Aluminum | New Hudson | MI | — | ◇ UNVERIFIED |
| CCContract Crushing Const - Patton Site | Belle Vernon | PA | — | ◇ UNVERIFIED |
| CICoorstek, Inc.- South Table Mountain | Golden | CO | — | ◇ UNVERIFIED |
| CLCornerstone - Lakeview Process Site | Lakeview | OR | — | ◇ UNVERIFIED |
| CCCorpus Christi Alloys & Manufacturing INC. | Corpus Christi | TX | — | ◇ UNVERIFIED |
| CWCostco Wholesale - Columbus | Columbus | OH | — | ◇ UNVERIFIED |
| CICovia Isp, INC. | Fort Smith | AR | — | ◇ UNVERIFIED |
| CMCroft Metals INC | Newton | MS | — | ◇ UNVERIFIED |
