This is an old revision of this page, as edited by Azumanga1 (talk | contribs) at 16:46, 28 December 2007. The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
Revision as of 16:46, 28 December 2007 by Azumanga1 (talk | contribs)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)| Bell System | |
|---|---|
| Corporate Operations | |
| Holding Company: | American Telephone & Telegraph |
| Local Telephone Operations | |
| Bell Operating Companies: | Bell Telephone Company of Nevada · The Bell Telephone Company of Pennsylvania · The Chesapeake & Potomac Telephone Company · The Chesapeake & Potomac Telephone Company of Maryland · The Chesapeake & Potomac Telephone Company of West Virginia · The Chesapeake & Potomac Telephone Company of Virginia · Diamond State Telephone · Illinois Bell · Indiana Bell · Michigan Bell · Mountain Bell · New England Telephone & Telegraph · New Jersey Bell · New York Telephone · Northwestern Bell · Ohio Bell · Pacific Northwest Bell · Pacific Telephone · South Central Bell · Southern Bell · Southwestern Bell · Wisconsin Telephone |
| Franchisees: | Southern New England Telephone · Cincinnati Bell |
| Other AT&T Subsidiaries | |
| Manufacturing: | Western Electric |
| R&D Operations: | Bell Labs |
| Long Distance Services: | AT&T Long Lines |
| Wireless Services: | Advanced Mobile Phone Service |