Extraction of crude petroleum

• ASCENT GLOBAL OPERATING LTD.
• LUMINORD UK LIMITED
• ASCENT RESOURCES AZERBAIJAN LTD.
• KVT SAFETY SERVICES LTD
• OIL STANDARD AND ENERGY PLUS LIMITED
• LAWYNE LTD
• FC OFFSHORE & MARINE SERVICES LTD
• OPHIR OIL & GAS LIMITED
• SILVERSHELL ENERGY & MARINE LIMITED
• Extraction of crude petroleum in Dundee
• Extraction of crude petroleum in Glasgow
• Extraction of crude petroleum in London
• Deep coal mines
• Extraction of natural gas
• Extraction of peat
• Mining and quarrying n.e.c.
• Mining of chemical and fertilizer minerals
• Mining of iron ores
• Mining of other non-ferrous metal ores
• Mining of uranium and thorium ores
• Operation of gravel and sand pits; mining of clays and kaolin
• Quarrying of ornamental and building stone, limestone, gypsum, chalk and slate
• Support activities for other mining and quarrying
• Support activities for petroleum and natural gas extraction