As a long standing global leader in design engineering and advisory in the power energy and infrastructure markets, today Sigma is:

• A full-service engineering and consulting firm dedicated to the deeply held principles of superior client service and technical excellence;
• A company specializing in power, energy and infrastructure projects, including comprehensive engineering, project and construction management, and numerous other areas of engineering and design with a team of specialists which has been providing engineering and consulting solutions to the power industry since the 1970’s; and
• A Delaware Corporation with headquarters in Melville, NY and offices in Naperville, IL, Windsor, CT and Denver, CO. It is an independent stand-alone legal entity with its own profit and loss statement and objectives.