Pinnacle Engineering is a Reliable Helical Screw Piles Manufacturer in Kolkata, India providing reliable foundation solutions for infrastructure , construction & industrial projects. Pinnacle Engineering & Exporters is a manufacturer and exporter of all kinds of steel fabricated & forging products like Transmission, Distribution and Substation parts, Helical Piles, Grating, Steel Access Cover, Cable tray & related accessories, Telecom & Carriageway accessories, etc .