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 Distribution, Electric Power (SIC code 4911). Known organization owner is Cecilia Smith. Current estimates show that the unit has a sales volume of $300,000 and staff of approximately 4 people. You can contact the company by phone at (870) 748-2221.