| sup_enName | Tel | CountryRegion | Contact |
| Kenyon Pte Ltd | 65-65-6542 8888 | SG | |
| Karlan Research Products Corporation | 928 634 1492 | US | |
| Kava Technology, Inc. | 858 652 8183 | US | |
| Kamiya Biomedical Company | 206 575 8068 | US | |
| KINGCHEM LLC | 800 211 4330 | CN | |
| kinfon pharmachem co.,ltd | 008613388961477 | CN | |
| Kolmar korea | 820448600637 | KR | |
| Kingston Chemistry | 971 559-6578 | US |