GS0371: Construction consultation; Construction of electric power infrastructure facilities and telecommunications infrastructure facilities and apparatus; Construction project management services; Electrical contracting; Excavation services; Foundation contractor services; Horizontal directional drilling for installing electric power lines and telecommunications cables; Installation, maintenance and repair of electric power infrastructure facilities and telecommunications infrastructure facilities and apparatus; Installation, maintenance and repair of renewable and clean energy infrastructure facilities and apparatus
GS0421: Engineering services in the field of electric power infrastructure and telecommunications infrastructure; Electronic and electrical systems design services