Concrete and masonry restoration services; concrete and masonry repair and restoration services for buildings, infrastructure, and other structures made of concrete, brick, or stone; restoration of masonry walls and structures; concrete repair services; leasing, design, erection, repair, maintenance, and dismantling of scaffolding, working platforms, building platforms, suspended access systems, and structural support devices; leasing, design, erection, repair, maintenance, and dismantling of self-climbing systems for lifting construction materials and personnel; heat tracing services, namely, installation, repair, and maintenance of heat control tracing, electrical wiring, electrical equipment, and electrical instrumentation; refractory services, namely, installation, repair, maintenance, and demolition of refractory linings in high-temperature industrial vessels; insulation services, namely, installation and maintenance of insulation in industrial facilities; installation of insulating materials; installation of building insulation; insulation services, namely, installation and maintenance of insulation in industrial facilities; installation of insulating materials; installation of building insulation; and turnkey project services for all of the above services