According to our records, this business is located at 3507 N Osceola Ave. in Chicago (in Cook County), Illinois 60634, the location GPS coordinates are: 41.94365 (latitude), -87.812665 (longitude). E C Prinicipals is categorized under Computer Code Authors (SIC code 7371). Known organization manager is Steven Troccoli. Current estimates show that the unit has a sales volume of $628,000 and staff of approximately 4 people. You can contact the company by phone at (773) 622-0034.