Windfall Records was a record label started in 1969 and stopped in 1974. Windfall was first distributed by Bell Records. From 1972 until 1974 it was distributed by Columbia Records (now a sister label to Bell's successor Arista Records, which was folded into RCA Records in 2011). The most successful act for Windfall was Mountain.
References
Windfall Records Wikipedia(Text) CC BY-SA