Categoría anterior : 8101 - Volframio (tungsteno) y sus manufacturas, incluidos los desperdicios y desechos.
| Nombre de la compañía * | Ciudad / Ciudad-Estado | País |
|---|---|---|
| G************ | Ecuador | Ecuador |
| A********************** | Sri Lanka | Sri Lanka |
| A*************************** | India | India |
| H********************* | Austria | Austria |
| A************************************************* | United States | Estados Unidos de América |
| A***************** | France | Francia |
| S********************** | Philippines | Filipinas |
| F******************************** | Poland | Polonia |
| P***** | Dr Congo | La República Democrática del Congo |
| T******************** | Surat | India |
| H*********** | South Korea | Corea (Del Sur) |
| M************ | Congo, The Democratic Republic Of The | La República Democrática del Congo |
| H***************************** | Timor-Leste | Timor Oriental |
| H************************* | United States | Estados Unidos de América |
| C******************************************* | Vietnam | Vietnam |
| A***************************** | Australia | Australia |
| C************************ | Dr Congo | La República Democrática del Congo |
| E******** | Congo, The Democratic Republic Of The | La República Democrática del Congo |
| K***************** | Congo, The Democratic Republic Of The | La República Democrática del Congo |
| C************************************************* | Congo, The Democratic Republic Of The | La República Democrática del Congo |
| P********************* | Indonesia | Indonesia |
| O****************************** | Philippines | Filipinas |
| D********************************************** | Poland | Polonia |
| F****************** | Rwanda | Ruanda |
| S********************* | Tanzania | Tanzania |
| S******************************** | United Kingdom | Reino Unido |
| N******************* | Colorado | Estados Unidos de América |
| S**************************** | United States | Estados Unidos de América |