Integrated Telecom Technology was created in 1991.
Integrated Device Technology was created in 1980.
Bipolar Integrated Technology was created in 1983.
Tw telecom was created in 1993.
Telecom Italia was created in 1994.
ER-Telecom was created in 2001.
Uganda Telecom was created in 2000.
Express Telecom was created in 1988.
Clay Telecom was created in 2000.
Brasil Telecom was created in 1998.
Rogers Telecom was created in 1986.
Angola Telecom was created in 1992.
Contact Telecom was created in 1998.