We strive to provide our customers with the most cost-effective approach to your communications needs. We want to be your business partner, working along side you, assisting you from start to finish. We are in the business of building long term relationships based upon a foundation of honesty, trust and service excellence. We strive to provide the best service, support and response times possible.

Telephone Systems & Service, Inc is a locally owned and operated company based in Sioux Falls, SD. Our company has been servicing business customers in the Sioux Falls area since 1989. Our philosophy since day one has been to provide our customers with quality products and service that is second to none.