telephones in South Dakota

Mt. Rushmore Telephone Company. Providing telephone and high-speed internet service to customers in the surrounding Keystone, Hermosa area.

ASI is a state-of-the-art contact center and is a wholly-owned subsidiary of GE Appliances, a Haier company.

SDN is the biggest fiber optic network in the region and is made up of its 17 owner companies: South Dakota’s independent telephone companies.

At Boomerang, We Do IT Right!

Heavy Constructors, Inc. is a general contractor located in Rapid City, South Dakota versed in infrastructure, commercial buildings, and communication.