A church development firm located in Colorado that is devoted to the success of bible based, Christian ministries throughout the world. OASTER is the church designer and developer of choice for visionary church leaders. After 35 years working with visionary church leaders, you can’t help but learn a thing or two. With the development of a detailed Master Plan, your church can blow through the growth barriers that often stifle other churches and become the creative and innovative ministry that all others look to and copy. We’ve developed state-of-the-art facilities for hundreds of visionary churches over the years. We can develop one for you too.