How do i contact idc customer service? If you have questions or comments regarding IDC or our products and services, please contact Customer Service by filling out and submitting the following form. First Name Last Name Email Phone (optional) What does idc stand for? International Data Corporation (IDC) The premier global provider of market intelligence, advisory services, and events for the information technology, telecommunications, and consumer technology markets. Learn more about IDC today.How do i contact idec? IDEC Corporation (USA) 1175 Elko Drive, Sunnyvale, CA 94089-2209, USA Tel: 1-408-747-0550 / (800) 262-IDEC (4332) Fax: 1-408-744-9055 / (800) 635-6246How many companies does idc host a year? IDC hosts approximately 2,000 companies a year. These meetings include product and strategy updates, messaging formulation sessions, and executive briefings from top-level management. Request an IDC analyst brief