According to our records, this business is located at 300 Delaware Ave. in Wilmington (in New Castle County), Delaware 19801, the location GPS coordinates are: 39.746466 (latitude), -75.5504553 (longitude). Watson Standard Holdings Inc is categorized under Holding Utilities Companies (SIC code 6719). Current estimates show that the unit has a sales volume of $71,000 and staff of approximately 2 people. You can contact the company by phone at (302) 622-4031.