Categoría anterior : 2834 - Nitritos; nitratos.
| Nombre de la compañía * | Ciudad / Ciudad-Estado | País |
|---|---|---|
| C************************* | Philippines | Filipinas |
| О********* | Kyrgyzstan | Kirguistán |
| O************* | Buenos Aires | Argentina |
| N***************** | Thailand | Tailandia |
| G************************************************* | Pk - Pakistan | Pakistán |
| P********** | Belgium | Bélgica |
| Т************** | Kazakhstan | Kazajstán |
| W************************* | Nigeria | Nigeria |
| О**************************** | Uzbekistan | Uzbekistán |
| O*** | Morocco | Marruecos |
| О************** | Russia | Federación Rusa |
| C************ | United States | Estados Unidos de América |
| L****************** | Zambia | Zambia |
| U*************** | Bangladesh | Bangladesh |
| F*********************** | Southeren Cyprus | Chipre Meridional |
| S**************** | DJ - Djibouti | Yibuti |
| T****************** | Nigeria | Nigeria |
| L**************** | RW - Rwanda | Ruanda |
| G**************************** | BH - Bahrain | Baréin |
| E**************************** | Ethiopia | Etiopía |
| M********************** | FJ - Fiji | Fiyi |
| F********************************** | Honduras | Honduras |
| A******************** | Hyderabad/Andhra Pradesh | India |
| O******** | Japan | Japón |
| S******* | Kazakhstan | Kazajstán |
| N** | Malaysia | Malasia |
| П****************************** | TM - Turkmenistan | turkmenistán |
| О************* | Donetsk | Ucrania |
| L******************* | Uganda | Uganda |
| T********************** | Kent | Reino Unido |
