Entech consists of several cohesive business groups working together to provide services for commercial and industrial buildings. Each division is dedicated to a special area of expertise such as mechanical services, building automation, card access systems, chemical water treatment, rental HVAC & generator equipment. Entech has grown from a Dallas-based mechanical service business to a diversified, Employee Owned company with offices in several key Texas cities. Entech’s business philosophy remains unchanged over the years. We provide the best in professional service to our customers, with highly trained, self-motivated people who accomplish our customers’ goals.