
  ABRASIVE, Grain & Powder  
  Advanced Processes Inc.  
  AluChem Inc.  
  C-E Minerals#  
  Electro Abrasives Corp#  
  Engis Corp.  
  Ferro Corporation, Electronic Material Systems  
  Fujimi Corporation  
  The Jet Pulverizer Co., Inc.  
  Kraft Chemical Company  
  Matrix Enterprises  
  Rio Tinto Alcan, Specialty Aluminas Europe#  
  Saint-Gobain Abrasives#  
  Saint-Gobain Zirpro#  
  Superior Graphite Co.  
  U.S. Electrofused Minerals Inc., T/A Elfusa-U.S.A.#  
  UK Abrasives, Inc.#  
  Washington Mills#  
  ACID  
  Alfa Aesar, A Johnson Matthey Company  
  Kraft Chemical Company  
  Pfaltz & Bauer, Inc.  
  ALGINATE  
  Pfaltz & Bauer, Inc.  
  ALKALINE EARTH & ALKALINE EARTH COMPOUNDS  
  Gelest Inc.  
  Pfaltz & Bauer, Inc.  
  SMAHT Ceramics. Inc.  
  ALKALI & ALKALI COMPOUNDS  
  Alfa Aesar, A Johnson Matthey Company  
  Pfaltz & Bauer, Inc.  
  ALLOY POWDER  
  Goodfellow Corp.  
  HAI Advanced Material Specialists, Inc.  
  Kraft Chemical Company  
  Noah Technologies Corporation  
  ALUM  
  C-E Minerals#  
  HAl Advanced Material Specialists, Inc.  
  Pfaltz & Bauer, Inc.  
  ALUMINA  
  Advanced Ceramic Technology  
  Alfa Aesar, A Johnson Matthey Company  
  Almatis  
  AluChem Inc.  
  Astro Met Inc.  
  Axner Pottery Supply#  
  Baikowski Int'l. Corp.#  
  Baikowski Malakoff Inc.#  
  Bracker's Good Earth Clays, Inc.#  
  C-E Minerals#  
  Ceradyne, Inc.#  
  Ceralox, Div. of Sasol North America Inc.  
  Cetek Technologies, Inc.  
  CoorsTek, Inc., International Headquarters#  
  Du-Co Ceramics Co.  
  Electro Abrasives Corp.#  
  ETEC Gesellschaft fuer Technische Keramik mbH  
  Extec Corp.  
  Ferro Corporation, Electronic Material Systems  
  Fusion Ceramics Inc.  
  Goodfellow Corp.  
  HAl Advanced Material Specialists, Inc.  
  Huicheng International Trade Co., Ltd.  
  IJ Research, Inc.  
  International Ceramic Engineering, Advanced Ceramics Division  
  The Jet Pulverizer Co., Inc.  
  Lock 3 Company  
  Machined Ceramics Inc.  
  McDanel Advanced Ceramic Technologies, LLC#  
  Noah Technologies Corporation  
  Pfaltz & Bauer, Inc.  
  Refractory Minerals Co., Inc.  
  Rio Tinto Alcan, Specialty Aluminas Europe#  
  Rio Tinto Alcan, Specialty Aluminas North America#  
  Saint-Gobain Ceramics#  
  SMAHT Ceramics, Inc.  
  Superior Technical Ceramics Corp.  
  Valley Design Corp, East  
  Washington Mills#  
  Activated  
  Alfa Aesar, A Johnson Matthey Company  
  AluChem Inc.  
  Ceralox, Div. of Sasol North America Inc.  
  Cetek Technologies, Inc.  
  HAl Advanced Material Specialists, Inc.  
  Kraft Chemical Company  
  Rio Tinto Alcan, Specialty Aluminas North America#  
  Calcined  
  Almatis  
  AluChem Inc.  
  Baikowski Int'l. Corp.#  
  Baikowski Malakoff Inc.#  
  Ceralox, Div. of Sasol North America Inc.  
  Cetek Technologies, Inc.  
  Electro Abrasives Corp.#  
  Ferro Corporation, Electronic Material Systems  
  Fujimi Corporation  
  Fusion Ceramics Inc.  
  HAI Advanced Material Specialists, Inc.  
  Laguna Clay Co.#  
  Matrix Enterprises  
  Panadyne, Inc.  
  Refractory Minerals Co., Inc.  
  Rio Tinto Alcan, Specialty Aluminas Europe#  
  Rio Tinto Alcan, Specialty Aluminas North America#  
  Sheffield Pottery, Inc.#  
  Colloidal  
  HAI Advanced Material Specialists, Inc.  
  Wesbond Corp.#  
  Fused  
  Alfa Aesar, A Johnson Matthey Company  
  C-E Minerals#  
  Ceramic Solutions, Inc.#  
  Cetek Technologies, Inc.  
  CoorsTek, Inc., International Headquarters#  
  Electro Abrasives Corp.#  
  Fujimi Corporation  
  Matrix Enterprises  
  Panadyne, Inc.  
  Pred Materials International, Inc.#  
  Rio Tinto Alcan, Specialty Aluminas Europe#  
  Rio Tinto Alcan, Specialty Aluminas North America#  
  U.S. Electrofused Minerals Inc., T/A Elfusa--U.S.A.#  
  UKAM Industrial Superhard Tools, LEL Diamond Tools International,  Inc.  
  Washington Mills#  
  High-Purity  
  Advanced Ceramic Technology  
  Alfa Aesar, A Johnson Matthey Company  
  AluChem Inc.  
  Astro Met Inc.  
  Baikowski Int'l. Corp.#  
  Baikowski Malakoff Inc.#  
  Ceralox, Div. of Sasol North America Inc.  
  Ceramic Solutions, Inc.#  
  Cetek Technologies, Inc.  
  CoorsTek, Inc., International Headquarters#  
  Goodfellow Corp.  
  HAI Advanced Material Specialists, Inc.  
  IJ Research, Inc.  
  Insaco  
  International Ceramic Engineering, Advanced Ceramics Division  
  The Jet Pulverizer Co., Inc.  
  Machined Ceramics Inc.  
  McDanel Advanced Ceramic Technologies, LLC#  
  Noah Technologies Corporation  
  Pred Materials International, Inc.#  
  Superior Technical Ceramics Corp.  
  UKAM Industrial Superhard Tools, LEL Diamond Tools International,  Inc.  
  Valley Design Corp, East  
  Hydrated  
  Almatis  
  Baikowski Malakoff Inc.#  
  Fusion Ceramics Inc.  
  The Jet Pulverizer Co., Inc.  
  Kraft Chemical Company  
  Laguna Clay Co.#  
  Mid-South Ceramic Supply Co  
  Noah Technologies Corporation  
  Rio Tinto Alcan, Specialty Aluminas Europe#  
  Rio Tinto Alcan, Specialty Aluminas North America#  
  Sheffield Pottery, Inc.#  
  Platelet  
  HAI Advanced Material Specialists, Inc.  
  Reactive  
  Almatis  
  AluChem Inc.  
  Baikowski Malakoff Inc.#  
  Ceralox, Div. of Sasol North America Inc.  
  Cetek Technologies, Inc.  
  HAI Advanced Material Specialists, Inc.  
  Panadyne, Inc.  
  Rio Tinto Alcan, Specialty Aluminas Europe#  
  Rio Tinto Alcan, Specialty Aluminas North America#  
  Single Crystal  
  Ceralox, Div. of Sasol North America Inc.  
  CoorsTek, Inc., International Headquarters#  
  Goodfellow Corp.  
  HAI Advanced Material Specialists, Inc.  
  IJ Research, Inc.  
  Insaco  
  UKAM industrial Superhard Tools, LEL Diamond Tools International,  Inc.  
  Spray Dried  
  Rio Tinto Alcan, Specialty Aluminas Europe#  
  Rio Tinto Alcan, Specialty Aluminas North America#  
  Tabular  
  Almatis  
  AluChem Inc.  
  C-E Minerals#  
  Fusion Ceramics Inc.  
  HAI Advanced Material Specialists, Inc.  
  Rio Tinto Alcan, Specialty Aluminas Europe#  
  Rio Tinto Alcan, Specialty Aluminas North America#  
  UKAM Industrial Superhard Tools, LEL Diamond Tools International,  Inc.  
  Transformation-Toughened  
  Astro Met Inc.  
  Cetek Technologies, Inc.  
  CoorsTek, Inc., International Headquarters#  
  HAI Advanced Material Specialists, Inc.  
  IJ Research, Inc.  
  Insaco  
  International Ceramic Engineering, Advanced Ceramics Division  
  UKAM Industrial Superhard Tools, EEL Diamond Tools International,  Inc.  
  Trihydrate  
  Almatis  
  R. E. Carroll, Inc.  
  HAI Advanced Material Specialists, Inc.  
  The Jet Pulverizer Co., Inc.  
  Kraft Chemical Company  
  Noah Technologies Corporation  
  Panadyne, Inc.  
  Rio Tinto Alcan, Specialty Aluminas Europe#  
  Rio Tinto Alcan, Specialty Aluminas North America#  
  H. C. Spinks Clay Co. Inc., Franklin Industrial Minerals, A LHoist  Group Company  
  Zirconia-Toughened  
  Cetek Technologies, Inc.  
  CoorsTek, Inc., International Headquarters#  
  Goodfellow Corp.  
  HAI Advanced Material Specialists, Inc.  
  IJ Research, Inc.  
  Insaco  
  International Ceramic Engineering, Advanced Ceramics Division  
  Panadyne, Inc.  
  SMAHT Ceramics, Inc.  
  UKAM Industrial Superhard Tools, LEL Diamond Tools International,  Inc.  
  ALUMINA FIBERS, Polycrystalline  
  Goodfellow Corp.  
  HAI Advanced Material Specialists, Inc.  
  Rath Incorporated  
  Thermal Ceramics#  
  ALUMINUM CARBIDE  
  CoorsTek, Inc., International Headquarters#  
  HAI Advanced Material Specialists, Inc.  
  Noah Technologies Corporation  
  Pfaltz & Bauer, Inc.  
  H.C. Starck GmbH, Ceramic and Surface Technology#  
  H.C. Starck Inc., Ceramic and Surface Technology#  
  UKAM Industrial Superhard Tools, LEL Diamond Tools International,  Inc.  
  ALUMINUM FLUORIDE  
  Alfa Aesar, A Johnson Matthey Company  
  Chivine Resources, Inc.  
  HAI Advanced Material Specialists, Inc.  
  Noah Technologies Corporation  
  Pfaltz & Bauer, Inc.  
  ALUMINUM HYDROXIDE  
  Alfa Aesar, A Johnson Matthey Company  
  Almatis  
  AluChem Inc.  
  HAI Advanced Material Specialists, Inc.  
  Noah Technologies Corporation  
  Pfaltz & Bauer, Inc.  
  Rio Tinto Alcan, Specialty Aluminas Europe#  
  Rio Tinto Alcan, Specialty Aluminas North America#  
  ALUMINUM NITRIDE POWDER  
  Advanced Material Technologies#  
  Alfa Aesar, A Johnson Matthey Company  
  Cetek Technologies, Inc.  
  Goodfellow Corp.  
  HAI Advanced Material Specialists, Inc.  
  Noah Technologies Corporation  
  Pfaltz & Bauer, Inc.  
  Pred Materials International, Inc.#  
  Rio Tinto Alcan, Specialty Aluminas North America#  
  H.C. Starck GmbH, Ceramic and Surface Technology#  
  H.C. Starck Inc., Ceramic and Surface Technology#  
  TOKUYAMA#  
  ALUMINUM OXIDE  
  Abrasive Grade  
  C-E Minerals#  
  CoorsTek, Inc., International Headquarters#  
  HAI Advanced Material Specialists, Inc.  
  Matrix Enterprises  
  Rio Tinto Alcan, Specialty Aluminas Europe#  
  Rio Tinto Alcan, Specialty Aluminas North America#  
  Washington Mills#  
  Fused Brown  
  C-E Minerals#  
  CoorsTek, Inc., International Headquarters#  
  Electro Abrasives Corp.#  
  HAI Advanced Material Specialists, Inc.  
  Huicheng International Trade Co., Ltd.  
  Matrix Enterprises  
  Pfaltz & Bauer, Inc.  
  Rio Tinto Alcan, Specialty Aluminas Europe#  
  Rio Tinto Alcan, Specialty Aluminas North America#  
  U.S. Electrofused Minerals Inc., T/A Elfusa--U.S.A.#  
  UKAM Industrial Superhard Tools, LEL Diamond Tools International,  Inc.  
  Washington Mills#  
  Fused White  
  C-E Minerals#  
  CoorsTek, Inc., International Headquarters#  
  Electro Abrasives Corp.#  
  HAI Advanced Material Specialists, Inc.  
  Huicheng International Trade Co., Ltd.  
  Matrix Enterprises  
  Panadyne, Inc.  
  Pfaltz & Bauer, Inc.  
  Pred Materials International, Inc.#  
  Rio Tinto Alcan, Specialty Aluminas Europe#  
  Rio Tinto Alcan, Specialty Aluminas North America#  
  H.C. Starck GmbH, Ceramic and Surface Technology#  
  H.C. Starck Inc., Ceramic and Surface Technology#  
  U.S. Electrofused Minerals Inc., T/A Elfusa--U.S.A.#  
  UKAM Industrial Superhard Tools, LEL  
  Diamond Tools International, Inc.  
  Washington Mills#  
  ALUMINUM SHEET FOR ENAMELING  
  HAI Advanced Material Specialists, Inc.  
  ALUMINUM SILICATE  
  C-E Minerals#  
  International Ceramic Engineering, Advanced Ceramics Division  
  Machined Ceramics Inc.  
  Minco Inc., A Ceradyne Company  
  Pfaltz & Bauer, Inc.  
  Superior Technical Ceramics Corp.  
  UKAM Industrial Superhard Tools, LEL Diamond Tools International,  Inc.  
  ALUMINUM SULFATE  
  Alfa Aesar, A Johnson Matthey Company  
  HAI Advanced Material Specialists, Inc.  
  Pfaltz & Bauer, Inc.  
  ALUMINUM TITANATE  
  Alfa Aesar, A Johnson Matthey Company  
  ETEC Gesellschaft fuer Technische Keramik mbH  
  HAI Advanced Material Specialists, Inc.  
  Machined Ceramics Inc.  
  AMMONIUM, Compounds of  
  Kraft Chemical Company  
  Laguna Clay Co.#  
  Pfaltz & Bauer, Inc.  
  STRATCOR, Inc.  
  R. T. Vanderbilt. Co. Inc.  
  AMMONIUM PARATUNGSTATE  
  Carbochem Inc.  
  ANDALUSITE  
  C-E Minerals#  
  ANTI-SETTLING AGENT  
  Bracker's Good Earth Clays, Inc.#  
  ANTIMONY AND COMPOUNDS  
  Noah Technologies Corporation  
  ANTIMONY OXIDE  
  Alfa Aesar, A Johnson Matthey Company  
  Arlington International, Inc.  
  Bracker's Good Earth Clays, Inc.#  
  Ceramic Color & Chemical Mfg. Co.#  
  Kraft Chemical Company  
  Laguna Clay Co.#  
  Noah Technologies Corporation  
  Pfaltz & Bauer, Inc.  
  Sheffield Pottery, Inc.#  
  ANTIMONY SULFIDE  
  Alfa Aesar, A Johnson Matthey Company  
  BassTech International  
  Noah Technologies Corporation  
  Pfaltz & Bauer, Inc.  
  APLITE  
  U.S. Silica Co.  
  ARSENIC  
  Alfa Aesar, A Johnson Matthey Company  
  Kraft Chemical Company  
  Noah Technologies Corporation  
  Pfaltz & Bauer, Inc.  
  ARSENIC OXIDE  
  Noah Technologies Corporation  
  BARIUM, Compounds of  
  Alfa Aesar, A Johnson Matthey Company  
  BassTech International  
  Ceramic Color & Chemical Mfg. Co.#  
  Ferro Corporation, Electronic Material Systems  
  Kraft Chemical Company  
  Noah Technologies Corporation  
  Pfaltz & Bauer, Inc.  
  BARIUM CARBONATE  
  Alfa Aesar, A Johnson Matthey Company  
  Axner Pottery Supply#  
  BassTech International  
  Bracker's Good Earth Clays, Inc.#  
  Carbochem Inc.  
  Fusion Ceramics Inc.  
  The Jet Pulverizer Co., Inc.  
  Kraft Chemical Company  
  Laguna Clay Co.#  
  Noah Technologies Corporation  
  Pfaltz & Bauer, Inc.  
  Sheffield Pottery, Inc.#  
  BARIUM SULFATE  
  Carbochem Inc.  
  R. E. Carroll, Inc.  
  BARIUM TITANATE  
  Alfa Aesar, A Johnson Matthey Company  
  BassTech International  
  CoorsTek, Inc., International Headquarters#  
  Ferro Corporation, Electronic Material Systems  
  The Jet Pulverizer Co., Inc.  
  Machined Ceramics Inc.  
  Noah Technologies Corporation  
  Pfaltz & Bauer, Inc.  
  BARIUM ZIRCONIUM SILICATE  
  Alfa Aesar, A Johnson Matthey Company  
  SMAHT Ceramics, Inc.  
  BAUXITE  
  Huicheng International Trade Co., Ltd.  
  Lock 3 Company  
  Louisville Fire Brick Works, Shuck Industries  
  U.S. Refractories, Hitchins Refractories LLC  
  Calcined  
  C-E Minerals#  
  Huicheng International Trade Co., Ltd.  
  Louisville Fire Brick Works, Shuck Industries  
  U.S. Electrofused Minerals Inc., T/A Elfusa--U.S.A.#  
  U.S. Refractories, Hitchins Refractories LLC  
  Sintered  
  C-E Minerals#  
  Cetek Technologies, Inc.  
  Rio Tinto Alcan, Specialty Aluminas Europe#  
  Rio Tinto Alcan, Specialty Aluminas North America#  
  BENTONITE  
  Axner Pottery Supply#  
  Bracker's Good Earth Clays, Inc.#  
  Fusion Ceramics Inc.  
  Kraft Chemical Company  
  Laguna Clay Co.#  
  Sheffield Pottery, Inc.#  
  H. C. Spinks Clay Co. Inc., Franklin Industrial Minerals, A LHoist  Group Company  
  R. T. Vanderbilt, Co. Inc.  
  BERYLLIA  
  Brush Ceramic Products  
  Goodfellow Corp.  
  Noah Technologies Corporation  
  UKAM Industrial Superhard Tools, LEL Diamond Tools International,  Inc.  
  Valley Design Corp, East  
  BERYLLIUM & BERYLLIUM COMPOUNDS  
  Alfa Aesar, A Johnson Matthey Company  
  Brush Ceramic Products  
  Goodfellow Corp.  
  Noah Technologies Corporation  
  Pfaltz & Bauer, Inc.  
  Valley Design Corp, East  
  BINDER  
  Active Minerals International LLC, Attapulgite Div.#  
  Advanced Processes Inc.  
  BassTech International  
  Esprix Technologies  
  Ferro Corporation, Electronic Material Systems  
  Fusion Ceramics Inc.  
  Haiku Tech  
  LignoTech USA#  
  Richard E. Mistier Inc.  
  Refractory Minerals Co., Inc.  
  Shamrock Technologies  
  Tape Casting Warehouse  
  R. T. Vanderbilt, Co. Inc.  
  Wesbond Corp.#  
  Zschimmer & Schwarz Inc, US Division#  
  BISMUTH OXIDE  
  Alfa Aesar, A Johnson Matthey Company  
  Arlington International, Inc.  
  GFI Advanced Technologies Inc.  
  The Jet Pulverizer Co., Inc  
  MCP Metalspecialties Inc.  
  Noah Technologies Corporation  
  BISMUTH TITANATE  
  Alfa Aesar, A Johnson Matthey Company  
  Ferro Corporation, Electronic Material Systems  
  MCP Metalspecialties Inc.  
  Noah Technologies Corporation  
  BONE ASH  
  Axner Pottery Supply#  
  Bracker's Good Earth Clays, Inc.#  
  Kraft Chemical Company  
  Laguna Clay Co.#  
  Mid-South Ceramic Supply Co.  
  Sheffield Pottery, Inc.#  
  BORAX  
  Axner Pottery Supply#  
  Bracker's Good Earth Clays, Inc.#  
  Fusion Ceramics Inc.  
  Kraft Chemical Company  
  Laguna Clay Co.#  
  Noah Technologies Corporation  
  Pfaltz & Bauer, Inc.  
  Rio Tinto Minerals#  
  Sheffield Pottery, Inc.#  
  Anhydrous  
  Kraft Chemical Company  
  Rio Tinto Minerals#  
  BORIC ACID  
  Bracker's Good Earth Clays, Inc.#  
  Fusion Ceramics Inc.  
  Kraft Chemical Company  
  Laguna Clay Co.#  
  Noah Technologies Corporation  
  Pfaltz & Bauer, Inc.  
  Rio Tinto Minerals#  
  Sheffield Pottery, Inc.#  
  BORIDE  
  Advanced Material Technologies#  
  Alfa Aesar, A Johnson Matthey Company  
  BAE Systems Advanced …