[ Wholesale and retail store services for automated and HVAC building controls ]

Building, layout, installation, maintenance and repair services for heating air conditioning, ventilating and plumbing systems and equipment; erection, fabrication, installation, layout, engineering, modification, retrofit and replacement services for piping,[ sheet metal, and ductwork systems; ] installation, layout and repair services for automated and HVAC building controls; construction contracting services for design and building of heating, air conditioning, ventilating and plumbing systems, equipment and buildings

design [ and engineering ] services for heating, air conditioning, ventilating and plumbing systems and equipment; design [ and engineering ] for piping, sheet metal, and ductwork systems; design, engineering and monitoring services for automated and HVAC building controls; [ architectural sheet metal services, namely, design and engineering of sheet metal in buildings ]