Sieben Energy Associates is a professional services firm specializing in energy management and efficiency consulting. Established in 1990 and headquartered in Chicago, Illinois, the company provides a range of services aimed at optimizing energy use, reducing costs, and enhancing sustainability for commercial, institutional, and industrial clients. Their expertise includes energy auditing, strategic energy planning, demand-side management, and procurement advisory. Sieben Energy Associates focuses on delivering customized solutions that align with clients' specific operational needs and sustainability goals.