STIPEL

==1924–19??==
STIPEL - Società Telefonica Interregionale Piemontese e Lombarda (Interregional Telephone Company Piedmont and Lombardy) was born STEP - Società Telefonica Piemontese.
==19??–1956==
==1956–1959==
==1959–1964==
In 1964 gets absorbed by SIP.
Category:Telephone companies
Category:Telecommunications
Category:Italy
Category:Defunct
Category:Gruppo TIM