This industry comprises establishments primarily engaged in providing advice and assistance to 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; and production scheduling and control planning.

This industry comprises establishments primarily engaged in providing advice and assistance to other organizations on environmental issues, such as the control of environmental contamination from pollutants, toxic substances and hazardous materials. These establishments identify problems, measure and evaluate risks, and recommend solutions. They employ a multi-disciplined staff of scientists, engineers and other technicians, with expertise in areas such as air and water quality, asbestos contamination, remediation and environmental law.

This industry comprises establishments, not classified to any other industry, primarily engaged in providing advice and assistance to other organizations on scientific and technical issues.