Categoría anterior : 2804 - Hidrógeno, gases nobles y demás elementos no metálicos.
| Nombre de la compañía * | Ciudad / Ciudad-Estado | País |
|---|---|---|
| M************************** | Mumbai | India |
| S*************************************** | Mexico | México |
| S************************** | Santiago | Chile |
| E******************** | DELHI | India |
| О********** | Russia | Federación Rusa |
| P********************************** | Indonesia | Indonesia |
| D********************************* | Tamaulipas | México |
| M****************************** | MZ - Mozambique | Mozambique |
| C************************************************* | . | Hong Kong |
| О********************** | Russia | Federación Rusa |
| M**************** | Australia | Australia |
| S********************************** | Accra | Ghana |
| M************************** | South Korea | Corea (Del Sur) |
| F************** | South Korea | Corea (Del Sur) |
| Т********** | KZ - Kazakhstan | Kazajstán |
| M*************** | Peru | Perú |
| О************* | Moskova | Federación Rusa |
| A********************************* | Rwanda | Ruanda |
| K************************************************* | Saudi Arabia | Arabia Saudita |
| T*************************** | Birmingham | Reino Unido |
| B********** | Us - United States | Estados Unidos de América |
| C*********** | Oregon | Estados Unidos de América |
| S************** | Us - United States | Estados Unidos de América |
| S**************** | Missouri | Estados Unidos de América |
| G******************* | California | Estados Unidos de América |
| L*********************** | US - Georgia | Estados Unidos de América |
| C*********************** | Vietnam | Vietnam |