Index of companies by GICS code: 50101020 (Integrated Telecommunication Services)
- Alaska Communications Systems Group (ALSK)
- AT&T (T)
- ATN International (ATNI)
- B Communications (BCOM)
- BT (BT)
- China Telcom (CHA)
- Chunghwa Telecom (CHT)
- Cincinnati Bell (CBB)
- Consolidated Comunications Holdings (CNSL)
- Frontier Communications (FTR)
- IDT Corporation (IDT)
- OTELCO (OTEL)
- Telecom Argentina (TEO)
- Telefonica (TEF)
- Telefonica Chile (VIV)
- Telkom Indonesia (TLK)
- TELUS (TU)
- Verizon Communications (VZ)