About NTT WEST

Group Companies

(As of July 1, 2026)

NTT WEST, Inc.

NTT FIELDTECHNO●

NTT BUSINESS ASSOCIE WEST Co., Ltd.●

NTT-WEST BUSINESS FRONT CORPORATON●

NTT BUSINESS SOLUTIONS MCS●

Co-Designing Institute for Polyphonic Society●

NTT MARKETING ACT ProCX●

（6 companies）

NTT Media Supply●

NTT SMARTCONNECT●

NTT SOLMARE●

JAPAN INFRA WAYMARK●

NTT Sportict●

NTT PARAVITA●

NTT EDX※

NTT WEST ASSETPLANNING●

TelWel West Nippon●

NTT WEST LUCENT●

Actibase Fukui corporation●

（17 companies）