fireproofing preparations

prefabricated metal buildings; blast-resistant modular building made substantially of metal

Prefabricated non-metal buildings; blast-resistant modular building made substantially of non-metal; building materials, namely, concrete structures, namely, trenches, manholes, precast pipe racks, pile caps, and concrete walls

construction of prefabricated buildings

fireproofing of construction materials; custom manufacture of trenches, decks, foundation components, duct banks, manholes, precast piperacks, pile caps, walls, non-metal buildings, metal buildings, and blast-resistant buildings