| Classification of Products ver. 2008 (CZ-CPA) - level 4 - Class |
0910 |
Support services to petroleum and natural gas extraction |
| Classification of Products ver. 2008 (CZ-CPA) - level 6 - Sub-category |
091011 |
Drilling services to petroleum and natural gas extraction |
| Classification of Products ver. 2008 (CZ-CPA) - level 6 - Sub-category |
091012 |
Derrick erection, repair and dismantling services and related support services to petroleum and natural gas extraction |
| Classification of Products ver. 2008 (CZ-CPA) - level 6 - Sub-category |
091013 |
Liquefaction and regasification services of natural gas for transportation done at the mine site |