The Christian Reformed Church in North America (CRC) emerged from the Calvanist evangelical Dutch Reformed churches of Netherlands in the mid-19th century, which in turn emerged from the Protestant Reformation in the 16th century.
The Christian Reformed Church in North America has around 1,000 congregations across the United States and Canada, with outreach missions around the world.
Although their emblem is simply a cross and a triangle, the meaning is quite profound. The cross symbolizes their belief in Jesus Christ's sacrificial death for our salvation and the triangle symbolizes the Church's belief in the Trinity. (Source: www.crcna.org)
For those interested in numerical significances, 'three' also happens to correspond with the number of creeds, their basic tenets of faith: the Apostles' Creed, the Nicene Creed, and the Athanasian Creed.