| A S Insulators | | Manufacturer and exporter of porcelain insulators, pressure gauge and relief valves. |
| A.J. Weller Corporation | | Develop and supply industrial ceramics and wear resistant steel designed to prolong and extend life of heavy equipment. Includes product catalog and technical data . |
| Advanced Ceramics | | Producer of boron nitride powders and boron nitride products. Site offers product and contact information. |
| Advanced Ceramics Ltd. | | Manufactures composite HTS ceramic material (BSCCO 2212) for superconducting current leads, fault current limiters, using the composite reaction texturing process developed at Cambridge University. |
| Aldero S.N.C. | | Italy manufacturer and distributor of equipment and supplies for the ceramics industry, including firing kilns, mixing, casting, and leaking machines, membrane pumps, chemicals and insulating products. |
| American Beryllia Inc. | | Manufacturer and distributor of standard, custom made and metalized Beryllium Oxide products. |
| Boomasia | | Textile, wire machinery parts, and aerospace. |
| Borgestad | | Produces kiln furniture for porcelain and ceramic production processes. |
| Cera-India | | Ceramic products, sanitaryware, wash basin, water closet, bidet and vitreous china product. |
| Ceradyne Inc. | | Manufacturer of non-oxide ceramic components for severe environments. Applications include industrial wear, automotive and diesel engine, ballistic armor, semiconductor processing equipment, microwave absorbing components and orthodontic brackets. |
| Ceram-Tek | | Manufacturer of custom ceramic components and shapes. |
| Ceramate | | A division of Lomart Ltd. that offers ceramic component design, manufacture and supply. |
| Ceramic Bodies Vicar | | Manufacturer and supplier of prepared bodies for technical and traditional ceramic such as maiolica, tableware, stoneware, electrical porcelain, refractories, and cordierite. |
| Ceramic Core Systems | | Offers enhance composite technology with a soluble ceramic core system which has few if any restrictions to shape or dimension. |
| Ceramic Solutions | | Manufacturer of glazes, underglazes, one strokes, acrylics and other specialty products for use in commercial and hobby ceramics. |
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