LYTAG

non-metallic building materials namely, fly ash, sand, gravel, stone, aggregate material composed of fly ash, composite panels and blocks composed primarily of non-metallic materials, and concrete building materials in the form of blocks, bricks, posts, slates and panels; light weight aggregate building materials composed of fly ash, cement, sand, stones and gravel

consulting services in the field of residential and building construction; information services relating to the installation of building materials; providing professional technical advice relating to the repair and maintenance of building materials

civil engineering services relating to land; scientific and technological services, namely, research and design in the field of building materials; industrial engineering analysis and industrial research services in the field of building materials; providing professional technical advice and information services relating to information technology used in buildings and in the manufacturing of buildings