41.20.00 Piece Material Handling Equipment
41.22.00 Cranes and Hoists
41.22.13 Cranes 41.22.13.13 Bridge Cranes 41.22.13.16 Gantry Cranes 41.22.13.19 Jib Cranes 41.22.13.23 Mobile Cranes 41.22.13.26 Tower Cranes 41.22.13.29 Specialty Cranes 41.22.23 Hoists 41.22.23.13 Fixed Hoists 41.22.23.16 Portable Hoists 41.22.23.19 Monorail Hoists 41.22.23.23 Specialty Hoists 41.22.33 Derricks