There is a wealth of resource material related to prayer ministy. Some of these resources can be reached via links on this page.
The North-American Division of Seventh-day Adventists Prayers Ministries have a vibrant ministry with many available resources and links. Here is a direct link to their resource page: NAD Links.
One of the exciting resources is the NAD prayer card for 2016. It provides a prayer focus for each week (and a specific focus for each day of that week). This rotating prayer focus includes each of the 58 conferences and 9 unions.