Ameritech
Address:
- 30 South Wacker Drive, Floor 34
- Chicago,
- Illinois
- United States
SIGGRAPH 1992
Ameritech is the parent of the Bell companies serving Illinois, Indiana, Michigan, Ohio, Wisconsin, and other information-related companies, both foreign and domestic, providing mobile communications, directory publishing, systems integration, lease financing, voice messaging, and audiotex services. Ameritech’s 1991 revenues were $10.8 billion.
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