The service or tertiary sector -- where the vast majority of economic activities occur -- is home to occupations that provide services or intangible goods to businesses and consumers. Individuals interested in pursuing a service-providing career can do say in a range of industries, including public health, financial services, education, hospitality, entertainment, real estate and mass media.

Leisure and Hospitality

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Gaming managers work in casinos, bingo halls and other gaming establishments where they oversee everyday operations. These managers ensure that the establishment adheres to gambling laws and regulations, and that customers have an enjoyable gaming experience. Gaming managers, who typically need at least an associate degree in hospitality and relevant work experience to get hired, earned a mean annual wage of $73,760 in 2013, according to the Bureau of Labor Statistics.

Accommodation establishments such as motels and hotels hire lodging managers to ensure clients have a pleasant stay. They supervise room attendants, handle complex guest requests, ensure guest rooms are clean at all times and set room rates. Aspiring lodging managers need at least an associate degree in hospitality administration. The BLS reports that lodging managers earned an average annual salary of $55,810 in 2013.

Financial Services

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Personal financial advisers typically work in financial consulting companies and investment firms. They help clients to make investment decisions, plan for retirement and save on taxes. To get hired, personal financial advisers must have a bachelor’s degree in finance or accounting. The annual average salary for personal financial advisers was $94,180 in 2013, according to the BLS.

Working for insurance carriers and brokerages, insurance underwriters review insurance applications. They calculate the risk involved in insuring a client and, based on their findings, approve, modify or reject applications. A bachelor’s degree in insurance and risk management is required to obtain this job. The BLS says insurance underwriters earned an average annual salary of $70,110 in 2013.

Media and Communication

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Editors generally hold a bachelor’s degree in English, journalism or communication. They review written content to ensure it meets all editorial required before publication, hire and train writers, and generate content ideas. Employers of editors include publishers of newspapers, magazines, journals and books. The BLS notes that editors earned an average annual wage of $62,920 in 2013.

Public relations specialists can work for various types of organizations, helping them improve their public identity by, for instance, responding to public requests for information in a timely manner. Prospective public relation specialists usually need a bachelor’s degree in public relations or communications to get hired. The average annual salary for public relations specialists was $63,020 in 2013, reports the BLS.

Public Health and Medical Services

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Health educators, who possess a bachelor’s degree in health education or promotion, help to improve a community’s awareness of various health issues. They research the health information needs of the community and conduct public education programs. Health educators can work for hospitals, local authorities and public health agencies. According to the BLS, these educators earned an average annual salary of $53,800 in 2013.

Medical and health services managers supervise the delivery of medical and health services in nursing homes, hospitals and ambulatory care centers. They develop and implement strategies for improving service delivery and manage the facilities' finances. These professionals generally need at least a bachelor’s degree in health administration to secure employment. As per data compiled by the BLS, medical and health services managers earned an average annual salary of $101,340 in 2013.