Green Roof Outfitters (GRO) is a manufacturer and supplier of modular green roof systems based in Charleston, SC. Their GROWVista system consists of lightweight modules containing growing medium and plants that provide benefits like stormwater retention and energy savings. The system is easy to install for both commercial and residential projects, with costs recovered within 3-8 years through savings. GRO partners with universities for research and offers the fully vegetated system or components to customers in the US, Canada, and internationally.