According to our records, this business is located at P.O. BOX 2105 in Wilmington (in New Castle County), Delaware 19899, the location GPS coordinates are: 39.7390721 (latitude), -75.5397878 (longitude). National Holding Investment Co is categorized under Electric Roasters (SIC code 3634). Known organization president is Melvin Cohen. Current estimates show that the unit has a sales volume of $35,600,000 and staff of approximately 405 people. You can contact the company by phone at (302) 573-3887.