According to our records, this business is located at 110 W 9TH ST. in Wilmington (in New Castle County), Delaware 19801, the location GPS coordinates are: 39.7449125 (latitude), -75.549054 (longitude). Mj Systems LLC is categorized under Warm Air Heating and Air Conditioning Contractors (SIC code 1711). Known organization president is Malik Salaam. Current estimates show that the unit has a sales volume of $89,000 and staff of approximately 2 people. You can contact the company by phone at (302) 764-0450.