| SG Alternatives, L.L.C. ( East Hartford, CT ) | SGF Suddeutsche Gelenkscheiben fabrik Gmbh Co., KG a corporation | SGL Carbon AG |
| SG Alternatives, LLC ( East Hartford, CT ) | SGF Suddeutsche Gelenkscheibenfabrik GmbH Co. KG | SGL Carbon AG( FL ) |
| SG WORLD LIMITED ( Crewe, GB ) | SGF Suddeutsche Gelenkscheibenfabrik GmbH & Co KG( Waldkraiburg ) | SGL CARBON AG ( Koln, DE ) |
| SGA GLOBAL L.L.C. | SGF Suddeutsche Gelenkscheibenfabrik GmbH & Co. KG( Waldkraiburg ) | SGL Carbon AG( Meitingem ) |
| SGA Global, L.L.C. ( San Antonio, TX ) | SGG Patents LLC ( Atlanta, GA ) | SGL Carbon AG( Meitingen ) |
| SGard Inc. ( Pocahontas, AR ) | SGG Patents, LLC ( Chicopee, MA ) | SGL Carbon AG ( Meitingen, DE ) |
| SGA-Thomson Microelectronics, Inc. ( Carrollton, TX ) | SGG, Inc. ( Long Island City, NY ) | SGL CARBON AG ( Paris Cedex 2, FR ) |
| SGA-Thomson Microelectronics, S.A. ( Gentilly, FR ) | SGI Carbon AG | SGL Carbon AG( Weisbaden ) |
| SGB Holdings Limited ( Mitcham, GB2 ) | SGI Co., Ltd.( Gwangmyeong-si ) | SGL Carbon AG ( Weisbaden, DE ) |
| SGB Holdings Limited ( Surrey, GB2 ) | SGI Co., Ltd. ( Gwangmyeong-si, KR ) | SGL Carbon AG( Wiesbaden ) |
| SGC Technologies, L.L.C. ( Canton, OH ) | SGI Holdings, Inc. ( Wilmington, DE ) | SGL Carbon AG ( Wiesbaden, DE ) |
| SGC-Thomson Microelectronics S.R.L. ( Milan, IT ) | SGI Inc. ( Cranston, RI ) | SGL Carbon Aktiengesellschaft |
| SGD Company ( Medina, OH ) | SGI Inc. ( Warwick, RI ) | SGL CARBON AKTIENGESELLSCHAFT ( Wiesbaden, DE ) |
| SGDL SYSTEMES INC. | SGI International ( La Jolla, CA ) | SGL Carbon GmbH & Co.( Steeg/Hallstaetter See ) |
| SGDL Systems Inc.( Montreal ) | SGI Japan, Ltd.( Tokyo ) | SGL Carbon, LLC ( Charlotte, NC ) |
| SGE International Pty. Ltd. | SGL Acotec GmbH | SGL Italia S.r.l.( Strada San Mauro ) |
| SGE Societa Generale Elastomeri S.p.A. | SGL Acotec GmbH( Siershahn ) | |
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