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In the previous post we reviewed the top oil field services providers. A related group in this sector is the drilling and seismic contractors. The companies in this field have operations that are closely tied to oil and natural gas exploration spending.

The Top Global Drilling and Seismic Contractors are listed below:

2009 Rank Company Ticker Country
1 Transocean RIG Switzerland
2 Diamond Offshore DO US
3 Noble Corp NE US
4 Seadrill OTC:SDRLF Norway
5 Nabors Industries NBR US
6 ENSCO ESV US
7 Pride International PDE US
8 Fugro The Netherlands
9 Helmerich & Payne HP US
10 CGG Veritas CGV France
11 Rowan Companies RDC US
12 Fred Olsen Energy Norway
13 Patterson-UTI PTEN US
14 Atwood Oceanics ATW US
15 Petroleum Geo-Services PGS Norway

Source: PFC Energy

Source: Top 15 Oil Drilling and Seismic Companies