ITK's Raytronix Corp. was the exclusive national distributor of Seiscor (a Ratheon Subsidiary) manufacturer of the first non-Bell payphone, following the deregulation of the Bell payphone monopoly.  In addition to the exclusive wholesale distributorship, ITK was the first company to install and lease payphones in commercial locations (such as restaurants and hotels) in the New York Metropolitan area.

'Snailmail' brochure circa 1985: