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           Boost.Python plays and essential role.</p>
         </blockquote>
       </dd>
+
+      <dt><b><a href="http://www.esss.com.br">ESSS</a></b></dt>
+      <dd>
+        ESSS (Engineering Simulation and Scientific Software) is a company that
+        provides engineering solutions and acts in the brazilian and
+        south-american market providing products and services related to
+        Computational Fluid Dynamics and Image Analysis.
+        
+      <p><a href="mailto:bruno@esss.com.br">Bruno da Silva de Oliveira</a> writes:</p>
+        
+      <blockquote>
+        Recently we moved our work from working exclusively with C++ to an
+        hybrid-language approach, using Python and C++, with Boost.Python
+        providing the layer between the two. The results are great so far!
+      </blockquote>
+
+      <p>Two projects have been developed so far with this technology:</p>
+
+      <p><b><a href="http://www.esss.com.br/dev_simba.phtml">Simba</a></b>
+        provides 3D visualization of geological formations gattered from the
+        simulation of the evolution of oil systems, allowing the user to analyse
+        various aspects of the simulation, like deformation, pressure and fluids,
+        along the time of the simulation.
+      </p>
+
+      <p><b><a href="http://www.esss.com.br/dev_aero.phtml">Aero</a></b> aims
+        to construct a CFD with brazilian technology, which involves various
+        companies and universities. ESSS is responsible for various of the
+        application modules, including GUI and post-processing of results.
+      </p>
+      </dd>      
+
     </dl>
 
     <h3>Tools</h3>