Reference: Fataawa al-Lajnah ad-Daa.imah lil-Buhooth al-‘Ilmiyyah wal-Iftaa. – Volume 13, Page 48, Question No.20 of Fatwa No.11967
Question: Is it permissible to sell food items which contain pig-meat or alcohol?
Since there are many Muslims in America who own or work in grocery stores where they sell beer, pig-meat and tobacco.
Response: It is not permissible to sell that which is haraam nor eat or use it; and from amongst them are the items mentioned in the question.