Henegan undertakes all aspects of interior building alterations, renovations, and infrastructure upgrades, in structures of every age and type throughout New York City.  We offer our clients special proficiency in such state-of-the-art and complex technological systems as data and telecommunications, UPS, generator power, and fire protection and warning; and in trading floors, building lobby and core upgrades, standard and high-end fit-outs, and re-stacks and alterations of occupied space.

Quality is the personal and professional responsibility of everyone who works for Henegan, in any capacity.  We instill in all our employees the philosophy of service and standards of quality that Henegan demands, and we continually train them in the approach and methods we have developed to meet those standards on every project.  Several levels of management review all work for quality assurance and continual improvement.