PostGIS is used by organizations large and small and has garnered a lot of commercial support. Its ease of use, unmatched performance, feature set, scalability, ease of deployment, and ability to integrate in most any environment makes it a no-brainer solution for most GIS work involving high end analytics and integration with other business processes.
These are sites using PostGIS that are publically accessible
This uses pgRouting (which means PostGIS as well), OpenStreetMap
Below we have a list of links to case studies on how it's currently used.
Just completed second edition of PostGIS in Action 2ed April 16th, 2015. Hard-copy and e-Book available from Manning now. Will be available via other outlets come May 2015. Code and data download on PostGIS In Action Edition 2 Chapters. Each purchase includes all E-Book versions including E-book version of 1st edition.
Stay tuned for our next book pgRouting: A Practical Guide with LocatePress due out late 2015.
PostgreSQL: Up and Running, 2nd addition came out in December 2014 in Print (both Hardcopy and E-Book). It is also available on Amazon
. The focus of 2nd edition is PostgreSQL 9.3-9.4 and the content has increased by about 60 pages from first edition.
© Leo Hsu and Regina Obe 2014