| GIGraftech International Holdings, INC. | Anmoore | WV | — | ◇ UNVERIFIED |
| GCGraphel Corporation Dba Carbon Products | Ramsey | MN | — | ◇ UNVERIFIED |
| GMGraphite Metallizing Corporation | Landrum | SC | — | ◇ UNVERIFIED |
| GSGraphite Sales, INC. | Lk Havasu Cty | AZ | — | ◇ UNVERIFIED |
| GSGraphite Sales INC (0303000138) | Nova | OH | — | ◇ UNVERIFIED |
| GLGreat Lakes Carbon Corporation | Long Beach | CA | — | ◇ UNVERIFIED |
| G1Group 14 Battery Active Materials Factory | Moses Lake | WA | — | ◇ UNVERIFIED |
| GFGsp Fletcher | Paramount | CA | — | ◇ UNVERIFIED |
| GPGt Parma Hq LLC (1318453876) | Parma | OH | — | ◇ UNVERIFIED |
| HCHitco Carbon Composites | Gardena | CA | — | ◇ UNVERIFIED |
| JJabil | Richardson | TX | — | ◇ UNVERIFIED |
| JBJ & B Electronic Door Services INC | Sun Valley | CA | — | ◇ UNVERIFIED |
| JLJrmgsymr, LLC | Batavia | IL | — | ◇ UNVERIFIED |
| LSLarpen Supply Co., INC. | Mulga | AL | — | ◇ UNVERIFIED |
| LMLockheed Martin Aeronautics Allcomp | Rosamond | CA | — | ◇ UNVERIFIED |
| LMLockheed Martin Aeronautics - Allcomp Coi | City of Industry | CA | — | ◇ UNVERIFIED |
| LMLockheed Martin Space Irc | Huntsville | AL | — | ◇ UNVERIFIED |
| MBMersen Boonton | Boonton | NJ | — | ◇ UNVERIFIED |
| MUMersen USA | Greenville | MI | — | ◇ UNVERIFIED |
| MUMersen USA Ace CORP | Gonzales | LA | — | ◇ UNVERIFIED |
| MCMetallized Carbon Corporation | Rock Hill | NY | — | ◇ UNVERIFIED |
| MCMission Critical Composites LLC | Huntington Beach | CA | — | ◇ UNVERIFIED |
| MCMitsubishi Chemical Carbon Fiber and Composites, I | Poway | CA | — | ◇ UNVERIFIED |
| MRMitsubishi Rayon Carbon Fiber & Composites INC | Sacramento | CA | — | ◇ UNVERIFIED |
| MUMitsui-soko USA | Puyallup | WA | — | ◇ UNVERIFIED |
| MAMorgan Am&t (carbon Tech Inc) | Exeter | RI | — | ◇ UNVERIFIED |
| MIMwi INC | Agawam | MA | — | ◇ UNVERIFIED |
| MIMwi INC | Rochester | NY | — | ◇ UNVERIFIED |
| NLNanoramic Laboratories | Boston | MA | — | ◇ UNVERIFIED |
 Nanotech Energy Inc.chico Lab #1 | Chico | CA | — | ◇ UNVERIFIED |
| NCNational Carbon Technologies - Oregon, LLC | Millersburg | OR | — | ◇ UNVERIFIED |
| NMNiagara Metals | Niagara Falls | NY | — | ◇ UNVERIFIED |
| NPNoya Pbc | Oakland | CA | — | ◇ UNVERIFIED |
| OPOcm Pr LLC | Arecibo | PR | — | ◇ UNVERIFIED |
| OCOhio Carbon Industries | Elyria | OH | — | ◇ UNVERIFIED |
 Ohio Carbon Industries, INC. | Nova | OH | — | ◇ UNVERIFIED |
| PFPacific Fuel Cell CORP. | Willoughby | OH | — | ◇ UNVERIFIED |
| PSPacific Services and Mfg Woodinville | Woodinville | WA | — | ◇ UNVERIFIED |
| PCPks Components LLC | Smithfield | RI | — | ◇ UNVERIFIED |
| PCPlasan Carbon Composites | Walker | MI | — | ◇ UNVERIFIED |
| PCPlasan Carbon Composites | Bennington | VT | — | ◇ UNVERIFIED |
| PGPoco Graphite, an Entegris Company | Russellville | AR | — | ◇ UNVERIFIED |
| RCReal Carbon INC | Hood River | OR | — | ◇ UNVERIFIED |
| SCSgl Carbon Fibers Llc: Evanston Plant | Evanston | WY | — | ◇ UNVERIFIED |
| SCSgl Carbon LLC | Niagara Falls | NY | — | ◇ UNVERIFIED |
 Sgl Composites INC. | Gardena | CA | — | ◇ UNVERIFIED |
| STSgl Technic INC | Arkadelphia | AR | — | ◇ UNVERIFIED |
| SHSigmatex High Technology | Benicia | CA | — | ◇ UNVERIFIED |
| SBStandard Biocarbon Corporation | East Millinocket | ME | — | ◇ UNVERIFIED |
| STSwisset Tool Company, Inc. | Belmont | NH | — | ◇ UNVERIFIED |
| TITec Industries LLC Dba Quatro Composites | Poway | CA | — | ◇ UNVERIFIED |
| TLTmtp Labs INC | New Orleans | LA | — | ◇ UNVERIFIED |
| TCTokai Carbon USA INC | Hillsboro | OR | — | ◇ UNVERIFIED |
| TCToray Composite Materials America INC | Moore | SC | — | ◇ UNVERIFIED |
| UCUcar Carbon Company INC | Clarksville | TN | — | ◇ UNVERIFIED |
| VIVartega INC Headquarters | Golden | CO | — | ◇ UNVERIFIED |
| VMVorbeck Materials CORP | Monmouth Junction | NJ | — | ◇ UNVERIFIED |
| XIXyleco INC | Moses Lake | WA | — | ◇ UNVERIFIED |
| ZCZoltek Commercial Carbon Fiber | Saint Peters | MO | — | ◇ UNVERIFIED |
