Petra Seismic Design
Solid engineering solutions making seismic compliance straightforward and affordable. http://petraseismicdesign.com
09/27/2018
Another great EGSA conference in Nashville. the unsung heroes that provide emergency power after a catastrophe. plus great music in nashville!
08/21/2013
Petra's CEO, Robert Simmons trains Ulus Yapi in seismic restraint design at their headquarters in Istanbul.
04/29/2013
Petra supports Living Water in El Salvador Well Dig
08/23/2011
Typical press reaction :-)
Maybe we should have these at more press conferences
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