BRIDGEPORT, CONN. — Southport, Conn.-based Angel Commercial has negotiated the sale of an industrial building located at 146 Davis Ave. in Bridgeport. Black Rock LLC sold the property to J.E.T. Corp. for $1.2 million. The buyer is a Bridgeport-based manufacturer of non-ferrous sand castings. Situated on 1.7 acres, the property features 17,088 square feet of space. The building was previously occupied by Black Rock Fireproof Column Co. Jon Angel of Angel Commercial facilitated the transaction.