$PRHL Company's strategy is to acquire clean technology companies and/or green products and services that are accretive and that can be seamlessly integrated and utilize the overall economics of such products and services for the benefit of its customers. Through its various subsidiaries it offers energy efficiency products and services to commercial middle-market companies, Fortune 500 brands, developers and management companies of large-scale residential developments. http://www.otcmarkets.com/stock/PRHL/profile