This book focuses on the contributions of organized labor in the development and evolution of workplace human services in America and eight countries around the world. Beginning with an overview of labor-sponsored social service programs, it showcases the achievements by major trade unions in the arena of human services, from inception to present.The textbook concludes with a summary chapter which conceptualizes and summarizes current achievements and forecasts the future role of the labor movement in the delivery of workplace human services in the United States and abroad. It will be of use to those involved in the labor movement as well as practitioners in the fields of social work, human services, and labor and industrial relations. This book was published as a special issue of the Journal of Workplace Behavioral Health.