TDS INSPECTION A Pole Inspection Company Since 2004, our company has been inspecting, retreating the wooden poles of Hydro-Québec’s transport lines, distribution lines, substations and private customers, by updating the inventory of cables and accessories. Learn More Pole Repair A repaired pole is operational for up to 10 additional years, making significant cost and resource savings possible. Read More Pole Treatment There are several products and treatment techniques on the market today. Read More Pole Inspection The inspection is the basis of a good maintenance program for your wood poles park. Read More Our Offer TDS Inspection offer to its customers a professional evaluation of the current state of wood poles parks of electrical or telephone grids.