ESCO "Ecological Systems" (ESCO ECOSYS) is a Ukrainian leading energy service company, established in 1991. ESCO ECOSYS is one of the first energy service companies in Ukraine. The company specialized in the design, implementation, evaluation and preparation to financing of energy efficiency programs and projects. For over 24 years, ESCO ECOSYS implemented more than 300 projects. Most of these projects have been carried out for municipalities, utilities, private industrial enterprises and energy companies.