[1] Access Control Center - Zugriffkontrolleinrichtung unter TCP/IP

[2] Access Connection Control

[3] Accumulator

[4] Advanced Concept Center

[5] Account Card Calling (CS-1 Service)

[6] Advanced Computer Communications, Inc.

[7] Argonne Code Center

[8] Audio Communications Controller

[9] Accra, Ghana - internationale Fughafen-Kennung.