Business Groups

1.

PT Pramindo Ikat Nusantara (Pramindo) : Telecommunication (KSO 1, Sumatera)

2.

PT Dayamitra Telekomunikasi (Dayamitra) : Telecommunication (KSO-VI Kalimantan)

Cellular

1.

PT Telekomunikasi Selular (Telkomsel) : Telecommunication (Cellular GSM)

Communication Data, Content and Application

1.

PT Infomedia Nusantara (Infomedia) : Information Services (Data Segment, Call Center and Electronic-based Business)

1.

PT Multimedia Nusantara (Metra) : Multimedia, TV Cable

2.

PT Indonusa Telemedia (Indonusa) : Interaktif Multimedia, TV Cable

Property and Construction

1.

PT Graha Sarana Duta (GSD) : Property, Construction and Services

TELKOM

Network and Interconnection 

International

1.

PT Telekomunikasi Indonesia International (TII)