According to our records, this business is located at 1509 Gilpin Ave. in Wilmington (in New Castle County), Delaware 19806, the location GPS coordinates are: 39.757207 (latitude), -75.559534 (longitude). Ht Holding Co Inc is categorized under Holding Utilities Companies (SIC code 6719). Known organization principal is Jeffrey Martin. Current estimates show that the unit has a sales volume of $110,000 and staff of approximately 3 people. You can contact the company by phone at (302) 777-7398.