This document provides a guide for developing a successful business retention and expansion program in five phases: 1) building a business advancement team, 2) building relationships with local businesses, 3) gathering information from businesses, 4) analyzing industry data, and 5) problem solving to keep jobs in the community. The guide outlines objectives, components, and tools for each phase, such as portfolio management, industry surveys, early warning systems, and communication strategies. The overall goal is to support existing businesses and address their needs to promote economic development.