Precept Ministries produce inductive Bible study materials translated into nearly 70 langugaes and have Bible study leaders in nearly 180 countries around the world.
The Biblical Counseling Foundation produces the Bible study materials, Self-Confrontation and Living Victoriously, as well as running courses in biblical discipleship and counseling. Biblical Counseling Foundation offers a deep discount for non-US orders.
Intensive Care Ministries runs Inductive Bible Study training courses online and via dvd. They can also travel to teach weekend and week-long seminars, and they conduct a teacher training course once a year.
Simply the Story hosts workshops in the U.S. and around the world to train individuals on their method of evangelising and discipling with story-telling and discussion.
World Missionary Press produces free evangelistic tracts, booklets, and discipleship materials in over 340 languages. These can be read online or can be delivered to the United States or overseas.
Der Gute Botschaft Verlag is a ministry with Bibles, Christian books, tracts, and flyers in 90 languages. They provide their literature free of charge "in limited quantities for distribution at bookstalls, refugee camps, markets, retirement homes, hospitals, prisons, etc." They ask for those interested in larger quantities to contact them.
Disciples are Made produce a three-book discipleship series to be used in small groups or one-to-one discipleship. Titles included in the series are Growing Strong in God's Family, Deepening Your Roots in God's Family, and Bearing Fruit in God's Family.
The Paul Initiative offers a Discipleship Training Seminar, lasting 2-3 days, to train pastors and leaders. Topics include presenting the gospel, theology of the gospel and spiritual growth.
Navigators produce a variety of resources, including their Design for Discipleship Series, a series of seven books of 4-7 lessons each.
Easy English, a ministry of Mission Assist, is a ministry which created a simple form of the English language for people for whom English is a second or third language. Their website has the Bible in Easy English available for free as well as books, Bible studies, and commentaries.
Discipling Nations: The Power of Truth to Transform Cultures by Darrow L. Miller
Discipling in a Multicultural World by Ajith Fernando
The Lost Art of Disciple Making by LeRoy Eims