NEC Corporation (日本電気株式会社, Nippon Denki Kabushiki gaisha; an acronym for Nippon Electric Company) is a Japanese multinational conglomerate corporation headquartered at the NEC Supertower in Minato, Tokyo, Japan. It sells IT and network services, including cloud computing, artificial intelligence (AI), Internet of Things (IoT) platform, and telecommunications equipment and software to business enterprises, communications services providers and to government agencies. It is one of the five largest defense contractors in Japan.