HARDENED STRUCTURES AND HARDENED HOMES
A World Leader in the delivery of Underground Shelter Systems
Douglas Clark, ALA, NCARB, CPHC
HARDENED STRUCTURES HARDENED SHELTERS, LLC
Office 650.667.1000 Cell: 541.218.5163
Corporate Office: 757.486.0084
Mon – Fri: 9am – 6pm
Sat – Sun: 8am – 1pm
Sat – Sun: 8am – 1pm