Since 1922, the Gospel Advocate Company has published an annual lesson commentary, today known as Companion. This volume can be used in connection with the Gospel Advocate Foundations for adults, Horizons for teens, or as a stand alone study. Foremost, Companion is designed to be used in company with the Bible. Includes 52 weekly lessons comprised of text from Scripture (NKJV), introductory comments, commentary and questions and discussion starters.

Subjects for 2023-24:
Fall 2023: The Godhead
Winter 2023-24: Esther
Spring 2024: 1st Corinthians
Summer 2024: Ezra & Nehemiah