N.I.S.I (NATIONAL IN-HOME SERVICE INSTALLATIONS) NISI is an ASC (Authorized Service Center) of SAMSUNG ELECTRONICS. NISI is committed to improving the lives of our customers by providing quality services, products and solutions that earn their trust and build lifetime relationships. We are proud of our diverse, high-performance team work environment and we strive for continuous improvement through keen focus on growth, effectiveness and a sense of urgency.