The Field Specialization and Type of Services, which TIA has competency to provide, are: Integrated Agriculture and Rural Development (ARD); Integrated Infrastructure and Urban Development (IUD); Information, Communication and Technology (ICT); Education, Training and Management (ETM); and Resources Management and Environmental Studies (Environment).

The spectrum of activities covers all levels from preliminary project iden­tifica­tion to investigations, feasi­bility studies, detailed design, supervision for construction and implemen­ta­tion, operation and main­tenance and manage­ment training.