According to our records, this business is located at 1225 Howard St. in Elk Grove Vlg (in Cook County), Illinois 60007, the location GPS coordinates are: 42.015519 (latitude), -87.968254 (longitude). Business Telephone Systems Inc is categorized under Telephone Communications Broker (SIC code 4813). Known organization president is Keyko Dzielawa. Current estimates show that the unit has a sales volume of $2,331,000 and staff of approximately 7 people. You can contact the company by phone at (847) 640-8213.