| Company | INDIANA BELL TELEPHONE COMPANY INCORPORATED |
|---|---|
| Address | 240 North Meridian Street, Indianapolis, IN, 46204, USA |
| Title | Secretary |
| Company | THE OHIO BELL TELEPHONE COMPANY |
|---|---|
| Address | 45 Erieview Plaza, Rm. 1600, Cleveland, OH, 44114, USA |
| Title | Secretary |
| Company | MICHIGAN BELL TELEPHONE COMPANY |
|---|---|
| Address | 444 Michigan Avenue, Detroit, MI, 48226, USA |
| Title | Secretary |
| Company | ILLINOIS BELL TELEPHONE COMPANY |
|---|---|
| Address | 225 W. Randolph Street, Chicago, IL, 60606, USA |
| Title | Secretary/Director |
| Company | WISCONSIN BELL, INC. |
|---|---|
| Address | 722 North Broadway, 18th Floor, Milwaukee, WI, 53202, USA |
| Title | Secretary |