The Overseas Adventure Travel (O.A.T.) is a private Travel and tourism company owned by Alan and Harriet Lewis and founded on 1978.
Overseas Adventure Travel (O.A.T.) Overseas Adventure Travel Private Travel and tourism 1978 (1978) Alan and Harriet Lewis,
owners 
Overseas Adventure Travel (O.A.T.) In 1978, former high school teacher Judi Wineland established O.A.T. In 1993, O.A.T. was acquired by the Grand Circle Corporation, owned by Alan and Harriet Lewis. 
