| Iran | Iran China Clay, Teheran | MPS 180 B | kaolin |
| Poland | Röben Ceramica Budowlana, Sroda | MPS 160 A | basalt |
| Iran | via MVT Blatton, Dillingen | MPS 140 A | kaolin |
| Germany | via Hans Lingl, Neu-Ulm, for Megalith | MPS 125 A | clay |
| Germany | Villeroy & Boch, fo Türkismühle works | MPS 125 A | feldspar |
| Saudi Arabia | South Red Bricks Factory, Riyadh, for Al Dharb | MPS 112 A | clay |
| Taiwan | Nan Ya Plastics Corp., Taipei | MPS 112 A | ceramic mass |
| Turkey | Camis Madencilik A.S., Istanbul | MPS 112 A | kaolin |
| Germany | ÖKOSYS Umwelttechnik, Berlin | MPS 112 B | bentonite |
| Germany | Ziegelwerke Baalberge GmbH & Co. KG, Baalberge | MPS 100 A | clay |
| Germany | via Gerlach, Herschbach, for Dachziegelwerk Jessenberger, Unsleben | MPS 090 A | clay |
| Czech Republic | Zapadoceske Kaolinove, Horni Briza | MPS 080 A | clay |
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