<span style="color:rgb(0,0,0);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">Another option, is to use AmigoCloud's GDAL/OGR Plugin for ArcGIS. It gives ArcGIS access to any of the vector formats supported by OGR. Since PostGIS is one of them, you can add it to ArcMap easily - just supply a Postgres connection string in the form of: </span><br style="color:rgb(0,0,0);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<br style="color:rgb(0,0,0);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(0,0,0);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">PG:dbname=mydb host=myserver user=myuser </span><br style="color:rgb(0,0,0);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<br style="color:rgb(0,0,0);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(0,0,0);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">The plugin is free and Open Source. I have not created an installer yet (we have an installer that is part of a bigger suite for our beta users), but I did add experimental binaries that have been tested with ArcGIS 10.1 SP1. If you compile the code yourself, you should be able to make it work in previous ArcGIS versions, too. </span><br style="color:rgb(0,0,0);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<br style="color:rgb(0,0,0);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(0,0,0);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">Formats Supported: </span><a href="http://www.gdal.org/ogr/ogr_formats.html" target="_top" rel="nofollow" link="external" style="font-size:13px;color:rgb(85,26,139);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif">http://www.gdal.org/ogr/ogr_formats.html</a><br style="color:rgb(0,0,0);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<span style="color:rgb(0,0,0);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">Source and binaries: </span><a href="https://github.com/RBURHUM/arcgis-ogr" target="_top" rel="nofollow" link="external" style="font-size:13px;color:rgb(85,26,139);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif">https://github.com/RBURHUM/arcgis-ogr</a><br style="color:rgb(0,0,0);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<br style="color:rgb(0,0,0);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(0,0,0);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">- Ragi</span><br>