Categoría anterior : 2834 - Nitritos; nitratos.
| Nombre de la compañía * | Ciudad / Ciudad-Estado | País |
|---|---|---|
| S********************** | Pakistan | Pakistán |
| R****************************** | Ahmedabad - Gujarat | India |
| M********************************** | United Arab Emirates | Emiratos Árabes Unidos |
| B**************** | AHMEDABAD | India |
| О******************************** | Ukraine | Ucrania |
| C********************************************* | Vietnam | Vietnam |
| O***************** | . | Ecuador |
| P******************************** | Indonesia | Indonesia |
| A****************************** | Mozambique | Mozambique |
| Q***************** | Qatar | Katar |
| А***************** | Belarus | Bielorrusia |
| V************************ | Costa Rica | Costa Rica |
| P********************* | Costa Rica | Costa Rica |
| S***************** | Ethiopia | Etiopía |
| W******************* | Brazil | Brasil |
| P**************** | Indonesia | Indonesia |
| C*********************************** | Kenya | Kenia |
| Т********** | Kazakhstan | Kazajstán |
| Т*************** | Kazakhstan | Kazajstán |
| C*************** | Texas | Estados Unidos de América |
| V*********************************** | South Carolina | Estados Unidos de América |
| T******************* | Us - California | Estados Unidos de América |
| L********** | United States | Estados Unidos de América |
| О******************* | Uzbekistan | Uzbekistán |