They were soon joined by the ROC I-Kuan Tao Association and the I-Kuan Tao-affiliated Chang Yung-fa Foundation, and then by World Vision Taiwan, a group with strongly Christian ties. To date, the Tzu Chi Foundation, which has very solid financial resources of its own, is the only one of the six major reconstruction organizations not to have joined.
其後一貫道總會及「道親」張榮發基金會陸續加盟，連基督教色彩濃厚的世展會也加入了，迄今 6 大重建團體中，只有財力最雄厚的慈濟尚未加入。