According to our records, this business is located at P.O. BOX 715 in Dover (in Pope County), Arkansas 72837, the location GPS coordinates are: 35.4014712 (latitude), -93.1143407 (longitude). Janssen Engineering Inc is categorized under Machine Shops (SIC code 3599). Known organization chief executive officer is Patrica Janssen. Current estimates show that the unit has a sales volume of $640,000 and staff of approximately 12 people. You can contact the company by phone at (479) 968-5035.