The principal assumption underlying most scholarly work on the management of organizational behaviour (OB) is that work organizations affect the particular ways their members choose to behave on the job. The classical organization theory writers provided numerous frameworks designed to illustrate, explain, and provide the logic for these influences. It reports at some length a number of studies conducted in different types of work organizations to explore antecedents of various measures of OMB. Although it emphasizes macro-level factors and also includes variables that are typically measured at the group and individual level, such as management style and organizational commitment. The chapter conducts four different cross-sectional, exploratory, studies in four organizations a national utility company, a group of hospitals, a postal service unit, and a high-tech R&D unit selected to represent a variety of work organizations in different sectors: Private and public, utilities and health care, and mediating and intensive technologies.