Company Description. Granite Hills Group (GHG) is the newly named landscaping company formed in 2021 by the merger of several family-owned landscaping companies based in Charlotte, NC. Raleigh-Durham, NC. Greensboro, NC. and Spartanburg, SC. This partnership is the platform from which GHG will become the dominant commercial landscape company in the Carolinas while retaining the culture of a family-owned business. Summary. The Enhancement Team Lea...