Categoría anterior : 2902 - Hidrocarburos cíclicos.
| Nombre de la compañía * | Ciudad / Ciudad-Estado | País |
|---|---|---|
| W****************************** | China | China |
| S*********************************************** | United States | Estados Unidos de América |
| R************** | Russian Federation | Federación Rusa |
| R****************** | Spain | España |
| S** | Belgium | Bélgica |
| M**************************** | Nepal | Nepal |
| D********************************** | Brazil | Brasil |
| B********************** | Portugal | Portugal |
| G****************** | S. Korea | Corea (Del Sur) |
| Т***************** | Kazakhstan | Kazajstán |
| K********************** | NP - Nepal | Nepal |
| M***************** | Singapore | Singapur |
| T********** | US - California | Estados Unidos de América |
| C****************** | Angola | Angola |
| G************************************************ | Malaysia | Malasia |
| R******************* | Netherlands | Países Bajos, Holanda |
| E******* | New Zealand | Nueva Zelanda |
| C********************************* | Slovakia | Eslovaquia |
| I************** | Thailand | Tailandia |
| L**************** | North Carolina | Estados Unidos de América |
| C************ | US - United States | Estados Unidos de América |
| B*************************** | US - United States | Estados Unidos de América |
| W**************** | Delaware | Estados Unidos de América |
| M*************** | Quebec | Estados Unidos de América |