Ruth Oliphant, Chippewa Valley Orthopedics and Sports Medicine Clinic SC

“I have been working with TSI since early 2004, when we were in the planning stages of building a new facility. Since that time, we have built and moved to another new and larger facility, along with building and moving our satellite office. I appreciate the fact that, even with their numerous other client’s demands,… Read more »


Hendrik Boese, CCFBank™

“We have successfully worked with Telephone Specialist on multiple projects over the past 7 years.  They have provided us with reliable and effective products and services.”


Jon Keiser, MEP Associates

“TSI is a great company with a reputable and knowledgeable staff. MEP Associates has been using TSI for over 10 years and needless to say, we have not encountered any displeasure with their service, or their willingness to help whenever we have had to call them. The Technicians at TSI are well trained and are… Read more »


Judy, Oakleaf Surgical Hospital

“TSI is a wonderful company to do business with. They are local. If you have problems or questions, they are always right there to help. You won’t be talking to someone from down South, out East, or over in India. They live right here in the Chippewa Valley. They know their business well, and I… Read more »