Founded in Atlanta, GA, this growing pizza chain has over 120 locations in 16 states. GSE provided complete engineering services for constructing and renovating numerous Mellow Mushroom restaurants across the Southeast region, including HVAC systems, ventilation systems, plumbing, low voltage, shallow foundations, active system, bid assistance, lighting controls, panel boards, steel framing, grounding, lightning protection, site selection, fire protection, construction inspections, load-bearing masonry, switchboards and photometric calculations.