1. Penn Dynamics LLC 9815 Golden Russet Dr, Dunkirk, MD 20754 Coordinate: 38.71483,-76.65388 Phone: (800) 974-7689
2. SJS Consulting 2829 Chesapeake Beach Rd W, Dunkirk, MD 20754 Coordinate: 38.76056,-76.65418 Phone: (410) 257-2611