1. Mixed cement containing fly ash for masonry and plastering work
2. Mosaic Work 1751 > Construction > Construction Special Trade Contractors > Carpentry And Floor Work > Carpentry Work;> Construction > Construction Special Trade Contractors > Masonry, Stonework, Tile Setting, And Plastering > Terrazzo
3. Siding, And Sheet Metal Work > Roofing, Siding, and Sheet Metal Work 1771 > Construction > Construction Special Trade Contractors > Concrete Work > Concrete Work 1781 > Construction > Construction Special Trade Contractors > Water Well Drilling > Water Well Drilling;> Construction > Construction Special Trade Contractors > Roofing
4. Erection 1793 > Construction > Construction Special Trade Contractors > Miscellaneous Special Trade Contractors > Glass and Glazing Work 1794 > Construction > Construction Special Trade Contractors > Miscellaneous Special Trade Contractors > Excavation Work 1795 > Construction > Construction Special Trade Contractors > Miscellaneous Special Trade Contractors > Wrecking and Demolition Work 1796 > Construction > Construction Special Trade Contractors > Miscellaneous Special Trade Contractors > Installation or Erection of Building Equipment;> Construction > Construction Special Trade Contractors > Miscellaneous Special Trade Contractors > Structural Steel