Bir üst Kategori : 2804 - Hidrojen, asal gazlar ve diğer ametaller:
| Firma Adı * | Şehir / Bölge | Ülke |
|---|---|---|
| M********************** | Japan | Japonya |
| F************* | Santiago | Şili |
| D************************ | India | Hindistan |
| S******************************* | Japan | Japonya |
| A************************** | United Arab Emirates | Birleşik Arap Emirlikleri |
| B**** | United States | Amerika Birleşik Devletleri |
| T****************************************** | Mumbai | Hindistan |
| E******************* | Mumbai,Maharashtra. | Hindistan |
| 5****** | South Africa | Güney Afrika Cumhuriyeti |
| I************* | Bangladesh | Bangladeş |
| A********************************* | Pakistan | Pakistan |
| S**************************************** | Viet Nam | Vietnam |
| P******************************************** | Ecuador | Ekvador |
| K**************** | United Arab Emirates | Birleşik Arap Emirlikleri |
| A************************ | United Arab Emirates | Birleşik Arap Emirlikleri |
| F************************** | DO - Dominican Republic | Dominik Cumhuriyeti |
| S********************************* | India | Hindistan |
| C*********** | Japan | Japonya |
| M********************** | Russian Federation | Rusya |
| L******************************** | Russian Federation | Rusya |
| O*************** | Uzbekistan | Özbekistan |
| E*********************************** | Jundiaí - Sp | Brezilya |
| M************************** | Santafe De Bogota | Kolombiya |
| P********** | Indonesia | Endonezya |
| P*************************** | Indonesia | Endonezya |
| H*********************** | Pakistan | Pakistan |
| M************ | Puerto Rico | Porto Riko |
| O***************** | Russian Federation | Rusya |
| V********************************* | São Tomé and Príncipe | Sao Tome ve Principe |
| T****************** | Taiwan | Tayvan |