Civil engineering; Structural engineering design services

Pavers; Building materials, namely, plastic pedestals for elevating pavers; Non-metal floor panels; Non-metal stairs; Rubber floor tiles; Rubber stairway warning tiles; Stair treads not of metal; Stairways, not of metal for use in buildings; Wainscoting, not of metal; Waterproofing membranes for roofing, floors and walls