| BPBurgess Pigment Company | Sandersville | GA | — | ◇ UNVERIFIED |
| BMButler Mill Service Company | Butler | IN | — | ◇ UNVERIFIED |
| CLCambridge Lee Plants 2, 3, 4 | Reading | PA | — | ◇ UNVERIFIED |
| CCetco | Lovell | WY | — | ◇ UNVERIFIED |
| CSCirba Solutions Us, INC | Lancaster | OH | — | ◇ UNVERIFIED |
| CMC-koe Metals LP | Euless | TX | — | ◇ UNVERIFIED |
| CMClimax Molybdenum Company | Fort Madison | IA | — | ◇ UNVERIFIED |
| CMClimax Molybdenum-henderson Mill | Parshall | CO | — | ◇ UNVERIFIED |
| CSCmc Steel Sc | Cayce | SC | — | ◇ UNVERIFIED |
| CCColumbia City Mill Services | Columbia City | IN | — | ◇ UNVERIFIED |
| CICormetech INC | Cleveland | TN | — | ◇ UNVERIFIED |
| CTCri Transport LLC | Merrimack | NH | — | ◇ UNVERIFIED |
| CSCronimet Specialty Metals USA INC | Greenville | PA | — | ◇ UNVERIFIED |
| CFCrosbie Foundry CO | Elkhart | IN | — | ◇ UNVERIFIED |
| DRDoe Run Company-buick Mine & Mill | Boss | MO | — | ◇ UNVERIFIED |
| EREcobat Resources California INC | City of Industry | CA | — | ◇ UNVERIFIED |
| ECEdward C. Levy Company - Plant #1 | Detroit | MI | — | ◇ UNVERIFIED |
| ECEdward C. Levy Company - Plant #6 | Detroit | MI | — | ◇ UNVERIFIED |
| ECEdward C Levy INC | Canton | OH | — | ◇ UNVERIFIED |
| ERElectrum Recovery Works INC | Rahway | NJ | — | ◇ UNVERIFIED |
| ECEngelhard Corporation - Attapulgus Operations | Attapulgus | GA | — | ◇ UNVERIFIED |
| ETEnvirofocus Technologies | Tampa | FL | — | ◇ UNVERIFIED |
| EGEsco Group LLC - Covington | Covington | KY | — | ◇ UNVERIFIED |
| ECEssroc Cement CORP. | Camden | NJ | — | ◇ UNVERIFIED |
| FPFritz Products | River Rouge | MI | — | ◇ UNVERIFIED |
| FMFulton Mill Service CO | Delta | OH | — | ◇ UNVERIFIED |
| FIFusion INC Plant No 2 | Willoughby | OH | — | ◇ UNVERIFIED |
| GAG a Avril CO - White Metal Prods Div | Cincinnati | OH | — | ◇ UNVERIFIED |
| GRGlines & Rhodes INC | Attleboro | MA | — | ◇ UNVERIFIED |
 Global Advanced Metals Usa/boyertown | Boyertown | PA | — | ◇ UNVERIFIED |
| GAGnw Aluminum INC | Alliance | OH | — | ◇ UNVERIFIED |
 Golden Aluminum INC. - Fort Lupton Mill | Fort Lupton | CO | — | ◇ UNVERIFIED |
| HMHarsco Metals - Butler | Butler | PA | — | ◇ UNVERIFIED |
| HMHarsco Metals Plant 12 | Orem | UT | — | ◇ UNVERIFIED |
| HMHeidelberg Materials - Canaveral Port Authority | Cape Canaveral | FL | — | ◇ UNVERIFIED |
| HPHeraeus Precious Metals NA LLC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| HEHeritage Environmental Services, LLC | Indianapolis | IN | — | ◇ UNVERIFIED |
| HIHolcim (us) INC | Chicago | IL | — | ◇ UNVERIFIED |
| HRHolliday Rock Co., INC. | Rialto | CA | — | ◇ UNVERIFIED |
| HEHoneywell Electonic Materials - Salt Lake City | Salt Lake City | UT | — | ◇ UNVERIFIED |
| HCHorsehead CORP | Rockwood | TN | — | ◇ UNVERIFIED |
| HCHowmet Corporation, Plant 4 | Whitehall | MI | — | ◇ UNVERIFIED |
| HAHydro Aluminum | Commerce | TX | — | ◇ UNVERIFIED |
| HAHydro Aluminum North America INC | Monett | MO | — | ◇ UNVERIFIED |
| ISInternational Speciality Products Inc-isp Mineral Products | Annapolis | MO | — | ◇ UNVERIFIED |
| ISInternational Steel Group | Georgetown | SC | — | ◇ UNVERIFIED |
| IKIpsco Koppel Tubulars CORP | Koppel | PA | — | ◇ UNVERIFIED |
| ISI. Schumann & CO | Oakwood Village | OH | — | ◇ UNVERIFIED |
| IMIsp Minerals Charmian Quarry | Blue Ridge Summit | PA | — | ◇ UNVERIFIED |
| JMJacam Mfg. - Organoclay Processing | Sterling | KS | — | ◇ UNVERIFIED |
