InterOil headquarters details
- Street address
- 163 Penang Road #06-02
- City
- Singapore
- ZIP / postal code
- 238463
- Country
- Singapore
- Phone
- +65 6507 0200
- Founded
- 1997
- Website
- interoil.com
- Stock
- NYSE: IOC
Location map
Open in Google MapsAll InterOil office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Singapore HQ | — | Singapore | Headquarters |
Showing the headquarters of 38 recorded locations. See every location in GraphIQ →
About InterOil
InterOil (NYSE: IOC) is headquartered in Singapore, Singapore. Founded in 1997, the company has 38 recorded locations across 19+ countries and employs approximately 2,000 people worldwide.
Where is InterOil's main office?
InterOil's main headquarters office is located at 163 Penang Road #06-02, Singapore, 238463, Singapore. This is the company's primary corporate address.
InterOil regional offices
Beyond its headquarters in Singapore, InterOil has recorded locations in Singapore, Argentina, Australia, Belgium, Brazil, Chile, Colombia, Czechia and 11 other countries.
InterOil contact information
The main switchboard for InterOil headquarters can be reached at +65 6507 0200. Official website: interoil.com.
What does InterOil do?
Prior to its acquisition by Exxon, InterOil Corporation was an oil and gas company with a primary focus on Papua New Guinea. InterOil's assets included one of Asia's largest undeveloped gas fields, Elk-Antelope, in the Gulf Province. The company employed more than 2000 staff and contractors. Its main offices were in Singapore and Port Moresby. InterOil was formed in 1997 and was incorporated in Canada. The company was listed on the New York Stock Exchange and the Port Moresby Stock Exchange. It had a market capitalization of $2.8 billion.
InterOil competitors & similar companies
Frequently asked questions
Where is InterOil headquarters?
InterOil's headquarters is located at 163 Penang Road #06-02, Singapore, 238463, Singapore.
How many offices does InterOil have?
GraphIQ records 38 locations for InterOil across 19+ countries, as of October 2026.
What is InterOil's corporate address?
The corporate headquarters address is 163 Penang Road #06-02, Singapore, 238463, Singapore.
When was InterOil founded?
InterOil was founded in 1997 and employs approximately 2,000 people.
What is InterOil's phone number?
The main phone number for InterOil headquarters is +65 6507 0200.
How many employees does InterOil have?
InterOil has approximately 2,000 employees (GraphIQ estimate, 2026).
Is InterOil a public company?
Yes. InterOil is publicly traded on NYSE under the ticker IOC.