Earthquake Plans.com
Offers plans to prepare homes for earthquakes. Also offers tools and devices to improve earthquake safety and preparedness.
Earthquake Store.com
Order gas shut off valves, earthquake valves and alarms, disaster and survival kits. Includes earthquake news and 3-D model.
Emergency Supply Center
Includes equipment fastening systems, earthquake gas shutoff valves, 72 hour survival kits, first aid kits, books, and videos.
eSandbags.com

MACAW, Inc
Offers cables specifically designed to secure tall, heavy, and glass fronted furniture to the wall to prevent damage and injury during earthquakes.
Marlyco Inc
Earthquake safety products available to secure antiques and collectibles. Also offers furniture straps, light sticks, gas shut off valves
Quake Prep
Emergency supplies and earthquake preparedness kits for schools, business and government. Kits include FEMA-recommended water, food, sanitation, and first aid