ICGS: 35, 36, 38, 41, 45:
Class 35: Advertising; business management; business administration; office functions.
Class 36: Insurance; financial affairs; monetary affairs; real estate affairs.
Class 38: Telecommunications.
Class 41: Education; providing of training; entertainment; sporting and cultural activities.
Class 45: Personal and social services rendered by others to meet the needs of individuals; security services for the protection
of property and individuals.
Source: https://www.wipo.int/export/sites/www/classifications/nice/en/pdf/8_list_class_order.pdf