> - Telecom. The US no longer has anybody who makes telephone central office equipment. The US can no longer make smartphones.

Adtran (Huntsville, AL & just acquired ADVA), Infinera (fab in Sunnyvale, CA). Both make optical transport systems. Adtran also makes access network systems (POTS, DSL, PON, Ethernet). Adtran has (or had) some manufacturing capability in Alabama.