Schlumberger Limited is now the world's largest oilfield services company. Schlumberger employs approximately 123,000 people representing more than 140 nationalities working in more than 85 countries. Its principal offices are in Houston, Paris, and the Hague.
1926 Schlumberger was founded by French brothers Conrad and Marcel Schlumberger as the Société de Prospection électrique.
In the UK
1975 Bought Solartron Electronic Group
1978 Acquired Fairchild Camera and Instrument Co
1983 Opened the Cambridge Research Centre
1993 Sold Solarton to a management buyout
2012 Cambridge Research Centre was renamed as the Schlumberger Gould Research Center