This directory presents information about alcohol and other drug abuse prevention and prevention services and activities available around the United States. It is noted that this directory was designed to assist individuals and communities who want to participate in America's prevention efforts and to help them match their knowledge, skills, and needs to organizations with related services. Chapter 1 provides a broad overview of alcohol and other drug abuse prevention starting with a definition of prevention and a discussion of the theoretical and pragmatic foundations of prevention programs and research. Chapter 2 examines the role of the federal government in prevention on an agency-by-agency basis. Chapter 3 describes a broad range of national, not-for-profit, and nonprofit voluntary and professional organizations that are involved in the prevention of alcohol and other drug problems. Chapter 4 presents information on prevention activities and resources at the State level. It describes the roles of State government in each State and lists agencies, organizations, grantees, and contractors who are coordinating, helping, and encouraging volunteer prevention efforts. Chapter 5 describes the services of major national prevention resources and information providers. Chapter 6 is a glossary of terms, words, and acronyms that are commonly used in the prevention field. (ABL)