According to our records, this business is located in San Diego (in San Diego County), California 92109, the location GPS coordinates are: 32.715738 (latitude), -117.1610838 (longitude). A-1 Business Telcom Systems is categorized under Telephone Communications Broker (SIC code 4813). Current estimates show that the unit has a sales volume of $2,664,000 and staff of approximately 8 people. You can contact the company by phone at (858) 274-9999.