According to our records, this business is located at 1147 Morello Ct in Martinez (in Contra Costa County), California 94553, the location GPS coordinates are: 37.989496 (latitude), -122.103044 (longitude). Marks Traffic Data Service is categorized under Computer Code Authors (SIC code 7371). Known organization manager is Mieczyslaw Mleczko. Current estimates show that the unit has a sales volume of $157,000 and staff of approximately 1 worker. You can contact the company by phone at (925) 210-0625.