Parliament of Trinidad and Tobago - is the arm of state entrusted with the responsibility of making laws for good governance, and providing oversight of the Government or Executive. Its library maintains a definitive collection of sessional papers and other documents related to the business of proceedings of the Senate and House of Representatives and their Committees while its live and on demand webcasting service – ParlView, provides users with access to the live and archived streams of video and audio for the House of Representatives, Senate and Public Committee proceedings.

Register General’s Department - oversees civil, land & commercial registration in Trinidad & Tobago and maintains the national archive of births, adoptions, marriages and deaths from 1893; record land titles and maintain a register of companies/businesses.

Culture Division - The Remember When Institute archives through audio and video, the many rich and diverse cultural forms that can be found in Trinidad and Tobago. The Division also collects, protects, promotes and disseminates information and artefacts of our rich and diverse cultural heritage.

Carnival Institute of Trinidad and Tobago - collects and archives artefacts and information about Carnival and other T&T festivals as well as educates the public on these.

Government Information Division - produces credible government information that informs and educates the public through its units - television, radio, public relations/press, and photographic.

The National Library and Information System Authority administers the development and coordination of library and information services in Trinidad and Tobago. Its Heritage Library preserves and presents the nation's Heritage Collections and builds a collection of the Oral History records.

National Museum and Art Galley – is home to a large collection of works by Trinidad and Tobago artists and a number of artefacts on the cultural history of the twin-island state.

National Trust of Trinidad and Tobago -  is dedicated to the preservation of Trinidad and Tobago’s built and natural heritage

West Indiana and Special Collections - Alma Jordan Library,  University of the West Indies, St. Augustine Campus, Trinidad and Tobago - is a repository which acquires, preserves and provides access to material emanating from the West Indies, produced by West Indians, and on the West Indies as well as on the West Indian diaspora.

Department of History, University of the West Indies, St. Augustine Campus -  is responsible for the study and practice of History with emphasis on the Caribbean, Africa, South Asia, Latin America, and their global connections. It supports our societies through the advancement of public history and community outreach. The National Archives supports their internship programmes.

Department of Library and Information Studies, University of the West Indies, Mona Campus, Jamaica -  is the premier English-speaking institution for training Library and Information Professionals, including archivists, to meet the manpower and leadership needs in library and information services of the English-speaking Caribbean region. The National Archives supports their internship programmes.

College of Science, Technology and Applied Arts of Trinidad and Tobago (COSTAATT) is the premier regional institution offering educational programmes in a number of critical areas including: history, library and records management studies, to increase participation in tertiary education for a more diverse range of students. The National Archives supports their internship programme.