37 Procurement and construction services in the renewable energy sector, namely, wind and solar energy; Procuring material for construction projects, namely, delivery, inspection, inventory control, and on-site logistics services; Construction project feasibility audit, namely, land optimization and site assessment, budget management, and feasibility of obtaining permits for construction projects; Operations and maintenance of building construction; Construction of road and foundations; Installation of wind turbines, solar panels and modules, racking, piles, inverters, communication networks, transmission lines, and other related equipment and components used in wind and solar energy projects; Project and schedule management, namely, project and schedule management in the field of renewable energy projects; Construction of substations; Construction services, namely, mechanical completion of turbines; Planification and performance of construction site civil work, earthworks, row, erosion control, soil management and reclamation in the field of construction; Supply and installation of post-tension concrete tower; Testing phase and commissioning of wind turbines, solar panels and modules, racking, piles, inverters, communication networks, transmission lines, and other related equipment and components used in wind and solar energy projects