According to our records, this business is located at 1722 Country Rd. in El Dorado (in Union County), Arkansas 71730, the location GPS coordinates are: 33.293172 (latitude), -92.567479 (longitude). E/I Technical Service is categorized under Fire Alarm Systems and Equipment Testing (SIC code 1731). Known organization owner is Cecilia Smith. Current estimates show that the unit has a sales volume of $820,000 and staff of approximately 5 people. You can contact the company by phone at (870) 748-2221.