Established in 1945, Salina-Spavinaw Telephone (SST) is one of the most progressive telephone companies in the state. Located in Salina, Okla., the company serves more than 7,000 subscribers in its six-exchange, 600-square-mile service territory. It provides telephone and Internet services to residential as well as business areas. Salina-Spavinaw Telephone offers Internet services, such as a variety of DSL Internet and basic. Cell phone providers, long distance carriers, Voice over Internet Protocol providers and others access and use the company s network.