Energy Smart Industry (ESI) is an eco-friendly firm that offers an innovative lighting redesign program. It is the only company of its kind in the United States that offers the retrofit lighting service and products with guaranteed positive cash flow and no out-of-pocket cost. ESI allows buildings to realize guaranteed energy cost savings with an unbelievable positive cash flow. ESI includes a unique 5-year protection policy on the lighting installed. After the retrofit the building will enjoy a complete LED lighting system at no cost, an immediate positive cash flow guaranteed, 5 years of comprehensive free maintenance, and will become green by reducing carbon emission.