Grand Arbor Group, Inc. is the parent company of five firms offering a variety of professional products and services related ... to arboriculture. Headquartered in Grand Rapids, Michigan, our service companies travel throughout Michigan while our supply and manufacturing entities ship products across America. Arbor Group, Inc. is a privately held company originally established in 1924 as Grand Rapids Tree Company and evolved over the years to our current structure. We continue to expand our services to meet our customer’s needs. read more