According to our records, this business is located at 4738 MONONGAHELA ST. in San Diego (in San Diego County), California 92117, the location GPS coordinates are: 32.833723 (latitude), -117.228537 (longitude). Def Consulting Inc is categorized under City Government-National Security (SIC code 9711). Known organization principal is Donald Frank. You can contact the company by phone at (858) 274-1962.