What a sight! Watch closely as our Liebherr LTM 1300 mobile crane lifts out the tower crane base frame after our certified welders expertly cut it free from the Rolex Building in downtown Manhattan. At U.S. Crane and Rigging, we operate our own state-of-the-art structural steel fabrication facility to ensure precision and quality in every project. Our in-house team manufactures critical components for tower crane operations, including: * Base frames for tower cranes * Cantilevers and special tie