Welcome to A&L Underground, Inc., a full service industry leader in horizontal directional drilling (HDD) and installation of utility distribution and transmission lines. Environmentally safe materials make directional drilling the method of choice on environmental remediation projects and is perfect for utility installations in congested urban environments. Horizonal directional drilling contractor that specializes in the environmental field. Air Sparging, Vapor Extraction, Groundwater Collection,and Clean Water are just a few of the applications.