According to our records, this business is located at 820 Catawba Ave. in Belleville (in St Clair County), Illinois 62226, the location GPS coordinates are: 38.524987 (latitude), -89.998422 (longitude). Sjn Electrical Services is categorized under Fire Alarm Systems and Equipment Testing (SIC code 1731). Known organization owner is Steve Neumeyer. You can contact the company by phone at (618) 234-9648.