GoliathTech Mid-Atlantic is an installer in the GoliathTech network of helical pile dealers, located in Wilmington, Delaware. GoliathTech's installer directory lists it as the certified installer for New Castle County, Kent County, Sussex County, and more.
GoliathTech's site describes helical piles as a foundation system for decks, additions, homes and cottages, sheds, garages and fences, as well as commercial, municipal and agricultural work, and foundation repair such as underpinning and retaining walls. It says piles can often be installed in under four hours with minimal disturbance to landscaping.
To get a quote, call (302) 267-4679 or use the quote request form on the GoliathTech Mid-Atlantic page of the GoliathTech site. Useful questions to ask: which pile size and shaft wall thickness suit your soil, how installation depth and torque are recorded, whether an engineering letter or stamped drawings are available for permits, and how the warranty is documented.