Categoría anterior : 2834 - Nitritos; nitratos.
| Nombre de la compañía * | Ciudad / Ciudad-Estado | País |
|---|---|---|
| S***************************** | Bangalore | India |
| S******************************* | Thailand | Tailandia |
| P************************* | Indonesia | Indonesia |
| C*********************** | United Kingdom | Reino Unido |
| S*********************** | Vapi/Gujarat | India |
| О************************************************ | Russia | Federación Rusa |
| A****************************** | MX - Mexico | México |
| E******************** | Malaysia | Malasia |
| S********************* | SD - Sudan | Sudán |
| G********************** | Nepal | Nepal |
| M*************** | Tanzania | Tanzania |
| C******************************************** | Vietnam | Vietnam |
| X****************************** | Bolivia | Bolivia |
| B*************** | Brazil | Brasil |
| W******************** | NP - Nepal | Nepal |
| W**************** | Pakistan | Pakistán |
| M********* | United States | Estados Unidos de América |
| W************ | United States | Estados Unidos de América |
| A************************ | Uzbekistan | Uzbekistán |
| О************************* | Uzbekistan | Uzbekistán |
| ک*************** | Iran | Irán |
| F****************** | Nairobi | Kenia |
| A********* | Lebanon | Líbano |
| B********************************** | Lesotho | Lesoto |
| О************** | Russia | Federación Rusa |
| A***************************** | US - California | Estados Unidos de América |
| E*************** | US - Georgia | Estados Unidos de América |
| A************************* | United States | Estados Unidos de América |
| R********************* | United States | Estados Unidos de América |