Petroleum Development Oman was created in 1925.
Oman's main exports are petroleum, re-exports, fish, metals, textiles.
oman population is 3,311,640 (2008)
There is always a high population of Pakistani workers in Oman, but I think only the Government of Oman would have figures that are anywhere close.
The population of Hindustan Petroleum is 10.
The population of Lundin Petroleum is 420.
The population of Bharat Petroleum is 10.
The population of Bharat Petroleum is 14,654.
The population of Saga Petroleum is 1,300.
The population of Saga Petroleum is 1,999.
Compton Petroleum's population is 2,008.
Wissol Petroleum's population is 1,000.