This industry comprises establishments primarily engaged in providing advice and assistance to businesses and other organizations on management issues, such as strategic and organizational planning; financial planning and budgeting; marketing objectives and policies; human resource policies, practices, and planning; production scheduling; and control planning. Establishments primarily engaged in providing a range of day-to-day office administrative services, such as financial planning, billing and recordkeeping, personnel, and physical distribution and logistics, are classified in Industry 561110, Office Administrative Services; Establishments primarily engaged in administering, overseeing, and managing other establishments of the company or enterprise (except government establishments) are classified in Industry 55111, Management of Companies and Enterprises; Government establishments primarily engaged in administering, overseeing, and managing governmental programs are classified in Sector 92, Public Administration; Establishments primarily engaged in professional and management development training are classified in Industry 611430, Professional and Management Development Training; Establishments primarily engaged in listing employment vacancies and in selecting, referring, and placing applicants in employment are classified in Industry 561310, Employment Placement Agencies; Establishments primarily engaged in developing and implementing public relations plans are classified in Industry 541820, Public Relations Agencies; Establishments primarily engaged in developing and conducting marketing research or public opinion polling are classified in Industry 541910, Marketing Research and Public Opinion Polling; Establishments primarily engaged in planning and designing industrial processes and systems are classified in Industry 541330, Engineering Services; Establishments primarily engaged in planning and designing computer systems are classified in Industry 54151, Computer Systems Design and Related Services; and Establishments primarily engaged in providing financial investment advice services are classified in Industry 523930, Investment Advice.