American Defense International, Inc. (ADI) serves a worldwide client base with a unique combination of technical expertise and the ability to work with Washington's most important decision makers and opinion leaders. ADI represents more than 100 organizations in 11 different countries. Our personnel come from diverse government backgrounds including former senior government officials, military officers, and congressional aides. Whether it's crafting a government affairs strategy, getting a message out to key decision makers and opinion leaders, or marketing a product or service to the federal government, ADI offers the knowledge, expertise, and quality service that will not be found anywhere else.