HSA was founded in 2002 by Juan Herrera and Stephen Stafford as a metallurgical and accident recreation consulting firm.  Our team of engineers has combined 55 years of experience. Please see our Engineers page to meet our engineers and see their areas of expertise.  The firm has had ongoing relationships with various organizations in oil & gas, energy, litigation, civil, medical devices, aeronautical, and electronics companies. 

Our facility in El Paso, Texas has a scanning electron microscope, multiple light microscopes and stereoscopes.  We have machining capabilities, Charpy impact testing and hardness testing. Energy dispersive x-ray spectroscopy, x-ray fluorescence spectroscopy and optical emission spectroscopy capabilities for elemental analysis and metal and alloy identification.  Please see our “Services” page for a full listing of the services we offer.