The online Adventist Yearbook is a vast resource with information on on the following types of Church entities: General Conference Divisions, Unions, and Conferences; Educational Institutions (excluding primary schools); Food Industries; Healthcare Institutions; Media Centers; Publishing Houses; Radio and TV Stations; and Risk Management.
You can visit the Yearbook at https://www.adventistyearbook.org/. If you are interested in buying the physical volume published annually, you can find purchasing information on the website as well.