McMillan Tree Service - Your Friendly Tree Fellers. Based in Grand Marais, MN, McMillan Tree Service has been proudly serving Cook County and the North Shore area for over 20 years. We specialize in safe, efficient, and professional tree removal, hazardous tree assessment and removal, land clearing, and expert pruning services. Whether you're preparing a property for development or just need to remove a storm-damaged tree, you can count on our experienced crew to get the job done right. At McMillan Tree Service, we combine deep local roots with industry knowledge to deliver honest, reliable work-always with a friendly smile.