Social network plays an important role in delivering welfare services to increase child well-being especially children in institutional care. A study was conducted to explore the sectors involved in the implementation of the practice of child welfare services network located at Sekolah Tunas Bakti (STB) Marang, Terengganu. The study which is qualitative in its approach utilised Grounded Theory to gather data. A set of interview protocol was designed to guide a series of face-to-face and in-depth interviews among 30 respondents that come from 24 different agencies. The study found more than 50 agencies invovled in preparing, supplying and delivering the needs of food and drink; 37 agencies involved in preparing, supplying and delivering the needs of insurance, shelter, clothes, and other needs; and 10 parties involved in health services. As an overall impact, the study provided implications to the concerned parties such as Social Welfare Department to redouble efforts to form an integrated child welfare network services with various parties including the formal sector, informal sector, voluntary sector, private sector and individuals to improve child well-being; particularly children in institutional care. [ABSTRACT FROM AUTHOR]