Syska Hennessy Group is a smooth operator in the world of engineering and consulting. With offices in the US and China, it tackles some of the world's most technically sophisticated buildings, including part of the Pentagon after the 9/11 terrorist attacks and high-tech data centers for the likes of Oracle, SAS, and Verizon. Services consist of sustainable design consulting, architectural lighting design, security consulting, audio/visual design, facilities management, vertical transportation, and commissioning (which ensures that a facility's performance complies with its design intent). The group serves corporations, government facilities, hospitals, colleges, aquariums, and sports venues, among others.