• The Agencies of the Ministry are:
    • Trinidad and Tobago Electricity Commission (T&TEC)
    • Trinidad and Tobago Postal Corporation (TTPost)
    • Telecommunications Services of Trinidad and Tobago Ltd (TSTT)
    • Regulated Industries Commission (RIC)
  • The External Divisions of the Ministry are:
    • Electrical Inspectorate Division (GEID) – Arouca, Port of Spain, San Fernando
    • The Meteorological Services Division – Piarco
  • The Internal Divisions and Units of the Ministry are:
    • Human Resource Services Division
      • Human Resource Management Unit
      • Administrative Support Services Unit
      • Finance and Accounts Unit
    • Corporate Communications Unit
    • Customer Service Unit
    • Information System/Information Technology Unit
    • Economic Research Policy and Planning Division
      • Research Unit
      • Communications Sector Management Unit
      • Electrification Sector Management Unit
    • Sectoral Programmes and Projects Unit
    • Monitoring and Evaluation Unit
    • Internal Audit Unit
    • Legal Services Division.