DREDGING OF MOBILE HARBOR, MOBILE COUNTY, ALABAMA. Product Service Code:- Y1KB - CONSTRUCTION OF CANALS NAICS Code:- 237990 - Other Heavy and Civil Engineering Construction Primary point of contact:- CHANDA STRENTH CHANDA.D.STRENTH@USACE.ARMY.MIL Phone Number 251-441-5595 Secondary point of contact:- Sara G. Logsdon sara.g.logsdon@usace.army.mil Phone Number 2516903347