SchlumbergerSema
SchlumbergerSema is an IT consulting company employing around 30,000 people worldwide. Sema plc was bought by Schlumberger Ltd in April 2001. Sema plc paid the Labour Party more than £5,000 for "Tickets For Dinners"in 2000-2001. Mike Mannering, the Managing Director of Schlumberger UK sits on the Government's PILOT oil and gas Taskforce. Schlumberger sell drilling products and services to the oil industry.
References
Taken from 'SchlumbergerSema' available through search function on http://www.red-star-research.org.uk/subframe5.html