Integrated Coast Guard Systems (Lockheed Martin/Ingalls joint venture)综合海岸警卫队系统(洛克希德-马丁/ Ingalls合资企业) Intelligent Computer Graphics System (Verizon)智能电脑绘图系统(对应) Irish Chemists Golf Society爱尔兰的化学家高尔夫球协会 International Centre for Geopolitical Studies (Switzerland)地缘政治研究国际中心(瑞士) International Catholic Girls' Society女童协会国际天主教徒 Independent Coin Grading Service独立的钱币品级的服务