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 | Distributors (69)
(those companies involved in the ditribution and wholesale/retail sale of oil, gas,
petroleum goods and lubricants etc.).
|
 | E Commerce (16)
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 | Exploration and Production (90)
(those involved in exploration, production and development of oil and gas fields)
|
 | Processing (4)
(companies which conduct oil and gas processing and refining)
|
 | Refining (4)
|
 | Service Companies (239)
(those companies which provide services, equipment, technical staff and information etc.
to the operating companies)
|