Pine State Trading Co. announced Monday that it is selling its convenience store delivery division to a San Francisco company.

Workers at Pine State Trading Co. in Gardiner were told Friday about the company's sale to Core-Mark Holdings Company Inc. of San Francisco.

Workers inside the warehouse at Pine State Trading Co. in Gardiner, where company officials announced Monday they are selling one of five parts of the company.

Kelly Beaulieu, director of customer service at Pine State Trading Co., said Monday she's glad the owners thought about employees when they sold part of the company.

A Pine State Trading Co. worker unloads boxes from a truck in this undated photo provided by the company on Monday, the day it was announced that one division is being sold.