As an inter-agency within the Ministry of Interior and Coordination of National Government , the NSC membership consists of state and non state agencies working on peace and security.the membership is determined by programmatic areas of engagement which is determined by the existing subcommittees

Government Ministries, Departments, Agencies and Commissions:

•Ministry of Interior and Coordination of National Government (Peacebuilding and Conflict Management Directorate; Kenya National Focal Point on Small Arms  and Light Weapons; National Disaster Operations Centre; Directorate of National Cohesion, Department of Refugee Affairs; National Task Force on Community  Policing)
•National Police Service (NPS)
•Ministry of Defence – Department of Defence (DOD) and International Peace Support Training Centre (IPSTC);
•National Intelligence Service (NIS)
•Ministry of Education, Science and Technology
•Ministry of Information, Communication and Technology
•Ministry of Devolution and Planning (National Drought Management Authority; Gender Directorate)
•Ministry of Public Service, Gender and Youth Affairs
•Ministry of Foreign Affairs and International Trade
•Office of the Deputy President (Conflict Management & Peacebuilding Unit)
•Ministry of Water, Irrigation and Regional Authorities
•Ministry of Environment and Natural Resources
•National Counter-Terrorism Centre (NCTC)
•National Crime Research Centre (NCRC)
•Office of the Attorney General (OAG)
•The Judiciary
•Ministry of Mining
•Ministry of Lands (National Land Commission)
•Independent Electoral Boundaries Commission (IEBC)
•Kenya National Commission on Human Rights (KNCHR)
•National Gender and Equality Commission (NGEC)
•National Cohesion and Integration Commission (NCIC)
•Kenya National Committee on the Prevention of Genocide and the Punishment of the Crime of Genocide, War Crimes against Humanity and All Forms of  Discrimination.
•Universities and Colleges Students’ Peace Association of Kenya (UCSPAK)

Parliament:

•Committee on Administration and National Security
•Joint Parliamentary Committee on National Cohesion and Equal opportunity

County Governments:

•CoG Committee on Security and Foreign Relations
•The Secretariat of the Council of Governors