Cenex (REGISTRATION RENEWAL ONLY) 101 Wilderness Dr.Mellen Wisconsin 54546 WI Ashland 101 Wilderness Dr.Directions (715) 274-2448 Monday 06:00 am - 08:00 pm Tuesday 06:00 am - 08:00 pm Wednesday 06:00 am - 08:00 pm Thursday 06:00 am - 08:00 pm Friday 06:00 am - 07:00 pm Saturday Closed Sunday Closed