How we did itUK upstream independents league table 2011 - Half year update |
The upstream independents league table has been compiled from the London Stock Exchange ‘List of All Companies’ applying the following section criteria:
- Sector: Oil and Gas Producers
- Sub-sector: Exploration & Production
- Country of incorporation: UK
- Market: Main and AIM
- Ordinary shares: Yes
- Market capitalisation £m highest to lowest value for top 25 companies
- A direct comparison has been made between end December 2010 and end June 2011

