Instituciones nacionales:

• Government of Papua New Guinea
• Prime Minister's Office
• Department of Agriculture and Livestock
• Office of Civil Aviation
• Department of Defence
• Department of Education
• Department of Health
• Department of Lands
• National Mapping Bureau (NMB)
• Department of Mineral Resources
• Department of National Planning and Implementation
• Department of Petroleum and Energy
• Department of Police
• National Narcotics Bureau
• Department of Treasury and Planning
• Office of Works
• Investment Promotion Authority
• Tourism Promotion Authority
• Securities Commission
• Commission for Higher Education
• Bank of Papua New Guinea