Giant energy firm PTT Plc is planning to invest around $125 billion on offshore and onshore projects in bid to crack Fortune’s top 100 companies by 2020.

The company said around 61 per cent of the total budget will be spending in oversea investment projects and the remainder in domestic ventures.

PTT chairman Prasert Bunsampan said the company has around $76 billion to spend on upstream investment projects such as oil exploration and production and $20 billion on natural gas.

He said the investment plan is aimed to expand it existing businesses and enhance its competitiveness in the world energy market.

PTT has currently oil exploring operations in Burma, Indonesia and Oman through its subsidiary PTT Exploration and Production.

The company is Thailand largest business by revenue of 1.5 trillion baht in the last year with net profit of nearly 100 billion baht. Its shares prices closed unchanged on Friday at 298 baht in trade worth 572 million baht.