Best Roofing Decks in Galena, Maryland. Top 30 Roofing Decks in Galena, Maryland, ranked by rating, reviews, votes. Last updated on May 2024 . Best Inc Galena, Maryland Roofing Decks Detail Address: 14046 Gregg Neck Road, Galena, Maryland 21635. Phone: (410) 648-5865. Categories of builders in Galena, Maryland Roofing Decks