According to our records, this business is located at 2903 Yale Ct SE in Atlanta (in Fulton County), Georgia 30339, the location GPS coordinates are: 33.8613 (latitude), -84.467022 (longitude). O'Callaghan Service Inc is categorized under Warm Air Heating and Air Conditioning Contractors (SIC code 1711). Known organization sr vp is Ben Ocallaghan. Current estimates show that the unit has a sales volume of $146,000 and staff of approximately 1 worker. You can contact the company by phone at (678) 213-0233.