TCIL has developed a congenial working environment with its clients, irrespective of government departments, international lending agencies, private firms and NGOs, by way of involving their staff in planning, management and execution of development projects and programs. It is conscious of its responsibilities of transferring specialized knowledge and experience to those, who remain associated for continuing the development, even after completing the assigned task of the project in question. Its efforts and energies are also devoted to produce high quality outputs to satisfy the national and, at times, international development agencies. TCIL has professional linkages with a number of national and international donor agencies and organizations like: Asian Development Bank [000483], World Bank [T-369], United Nations Development Program UNDP [05510], Technical Assistance Coordination Cell, ERD, GOB, Bangladesh Water Development Board, Bangladesh Power Development Board, Bangladesh Parjatan Corporation, Bangladesh Telephone & Telegraph Board.