Although the opportunities for U.S. firms are broad in sector, number, and size, taking advantage of these opportunities can be difficult and confusing for newcomers. Companies that are successful at doing business with the IDB take the time and effort to learn and network. This publication is designed to help guide U.S. firms toward success. The following section relates to the IDB’s public sector lending program only. Information on the IDB’s private sector programs follows later in this document.