Globe reporters visiting about half a dozen stores over the past two weeks have found egg cartons bearing stamps from three Maine farms that have multiple ties to Austin "Jack" DeCoster, the owner of the Owa egg farms that are at center of the largest egg recall in US history.

These Maine farms are under scrutiny by US investigators looking into the rceall. Here is a look at the farms, and the eggs produced by them that have been found at local grocery stores.