Largest companies in Malaysia

1. Petronas - Malaysia's national oil and gas company, Petronas is among the world's top 500 companies. The company carries out oil and gas exploration, production, refining, distribution and marketing activities.

2. Maybank - Malayan Banking Berhad is Malaysia's largest bank and one of the largest financial institutions in Southeast Asia. Maybank provides services in the fields of banking, insurance, investment and capital markets.

3. Tenaga Nasional Berhad - Tenaga Nasional Berhad, Malaysia's state-controlled electricity distribution company, is the country's largest energy company. The company is involved in electricity generation, transmission and distribution.

4. CIMB Group Holdings - CIMB Group is Malaysia's largest financial services group and provides a range of services such as banking, insurance, capital markets and asset management.

5. Axiata Group Berhad - Axiata Group is a telecommunications company based in Malaysia and one of the leading telecommunications groups in Southeast Asia. The company offers mobile communications, data and internet services.

6. Sime Darby Berhad - Sime Darby is a multinational corporate group based in Malaysia and operates in the agriculture, automotive, energy, industrial, property and healthcare sectors.

7. Genting Group - Genting Group, a Malaysia-based conglomerate, operates in the hotel, tourism, entertainment and retail sectors. The company operates a number of luxury hotels, casinos and entertainment resorts around the world.

8. IOI Group - IOI Group is a holding company based in Malaysia and operates in a number of sectors including palm oil, rubber, liquefied natural gas and real estate.

9. Maxis Berhad - Maxis is one of Malaysia's leading telecommunications companies and provides mobile communications services. The company offers voice, data and internet services to its customers.

10. AirAsia Group - AirAsia Group is a low-cost airline based in Malaysia and the largest low-cost airline in Southeast Asia. The company operates regional and international flights.