1. Aquatic Structures 2726 Shamer Ln, Hampstead, MD 21074 Coordinate: 39.57665,-76.89119 Phone: (410) 374-8080
2. Walsh Francis E 3232 Shiloh Rd, Hampstead, MD 21074 Coordinate: 39.59883,-76.8799 Phone: (410) 374-2982