Akron Porcelain & Plastics Co.
2739 Cory Ave.
PO Box 15157
Akron, OH 44314
American Beryllia Inc.
16 First Avenue
Haskell, NJ 07420
Astro Met, Inc.
9974 Springfield Pike
Cincinnati, OH 45215
Blasch Precision Ceramics
580 Broadway
Albany, NY 12204
Ceramco, Inc.
1467 E. Main St.
P0 Box 300
Center Conway, NH 03813
CeramTec North America Corp.
One Technology Place
Laurens, SC 29360
Du-Co Ceramics Company
155 S. Rebecca St.
PO Box 568
Saxonburg, PA 16056
Isolantite Mfg. Co, Inc.
337 Warren Ave.
Stirling, NJ 07980
Keir Manufacturing, Inc.
33 McLean Rd.
Brevard, NC 29812
Maryland Ceramic & Steatite Co.
P.O. Box 527
Bel Air, MD
Metsch Refractories, Inc.
P.O. Box 268
Chester, WV 26034
Refractron Technologies Corp.
5750 Stuart Ave.
Newark, NY 14513
Sunrock Ceramics Company
2625 S. 21st Ave.
Broadview, IL 60155
Superior Graphite
10 S. Riverside Plaza, Ste. 1470
Chicago, IL 60606
Superior Technical Ceramics
600 Industrial Park Rd.
St. Albans, VT 05478
Technical Products Inc.
198 W. Progress Dr.
West Bend, WI 53095
Trans-Tech Ceramics and Advanced Materials
P.O. Box 695520
Adamstown Road
Adamstown, MD 21710
Vesuvius USA
753 Enterprise Rd.
Dillon, SC 29536
Zircar Zirconia, Inc.
PO Box 287
Florida, NY 10921
Zircoa, Inc.
31501 Solon Rd.
Solon, OH 44139