Engineering Phelps John, 1725 Rosewood Ave, Louisville, KY 40204, US

E-Max is among the recognized leaders in improving and preserving facility energy and maintenance efficiency. E-Max provides a wide variety of services, which includes efficiency engineering, software systems, consultation, education, construction and national buying. The company provides national buying account programs through its sister company, EMAP Inc. In addition, E-Max offers group purchasing, cost/efficiency management, revenue enhancement, financial and related support services in the fields of energy, environmental, maintenance and organizational efficiency. The company, which is based in Louisville, Ky., has been in business for more than 30 years.