Using the aesthetic of sculptural minimalism, they created the compact folding Grillo telephone for Siemens and Italtel in 1965.
The industrial district of Castelletto is home to industries such as Italtel and STMicroelectronics.
Turkmentelecom cooperates and collaborates with more than 40 operators in foreign countries, as well as with other communications companies, such as Siemens, Alcatel-Lucent, Ericsson, Netash, Italtel TCI, and Schlumberger.