1. Martin Marietta Magnesia Specialties
8140 Corporate Dr Ste 220, Nottingham, MD 21236
Coordinate: 39.36985,-76.46917
Phone: (410) 780-5500
2. TW Perry- Baltimore, MD
4321 Fitch Ave, Nottingham, MD 21236
Coordinate: 39.36969,-76.50623
Phone: (410) 864-4728