Brackets, not of metal, for building; Building materials, namely, plastic pipe supports; Construction elements not made of metal, namely, supports; Construction materials, namely, non-metal piles; Flooring underlayments; Non-metal brackets for gutters; Non-metal floor trusses; Non-metal pillars for building; Non-metal weight-supporting corbels for building purposes; Nonmetallic construction materials, namely, drain bases and grates; Pillars, not of metal, for building; Platforms, prefabricated, not of metal; Prefabricated non-metal buildings; Rubber cove bases; Trestles for use in construction