provide services primarily to help people conduct other business--either agriculture, manufacturing, or other services. One fifth of all the U.S. jobs are in producer services. One third of theproducer-service jobs are in financial services, including banks, insurance companies, real estate, and other financial institutions. Another one third are in professional services, primarily law, engineering, and management. The remaining one third are in other business services, such as advertising, employment agencies, and janitorial work.