Production of energy; Electrical energy and gas generation and production services, namely, generation of gas and electricity; Gas processing services; Gas processing services in the nature of purification and refining for gases, oils, and diesel oil; Air purification and water purification producing steam and hot water; Treatment and transformation by mechanical or chemical processes for all kinds of fluids and waste, namely, oil refining, water purification, waste processing, treatment of w...

Refuse, trash and waste material recycling services; recycling of valuable and plastic materials; waste management services, namely, waste processing and treatment; concrete casting services being concrete grooving; burnishing by abrasion; metal coating services, namely, applying decorative and protective coatings to metal by means of galvanization; dyeing services; services provided in the context of mechanical or chemical transformation and treatment of organic or inorganic substances or ob...

CONSTRUCTING SOLAR ENERGY SYSTEM FOR BUILDINGS

CONSTRUCTING SOLAR ENERGY SYSTEMS FOR BUILDINGS