According to our records, this business is located at P.O. BOX 5247 in Wilmington (in New Castle County), Delaware 19808, the location GPS coordinates are: 39.7390721 (latitude), -75.5397878 (longitude). Greymatter Inc is categorized under Computer Code Authors (SIC code 7371). Known organization president is Warren Samolsky. Current estimates show that the unit has a sales volume of $2,502,530 and staff of approximately 20 people. You can contact the company by phone at (302) 999-9808.