update site

Author: bstabler

README.md

@@ -1,5 +1,10 @@
 The ActivitySim project emerged from a consortium of Metropolitan Planning Organizations (MPOs) and other transportation planning agencies that wanted to build a shared, open, platform that could be easily adapted to their individual needs, but would share a robust, efficient, and well-maintained common core.
 
-![AMPO](ampo.png)
+![PSRC](psrc.png)(http://www.psrc.org)
+![MTC](mtc.png)(https://mtc.ca.gov)
+![SFCTA](sfcta.png)(http://www.sfcta.org)
+![SANDAG](sandag.jpg)(http://www.sandag.org)
+![ARC](arc.png)(https://atlantaregional.org)
+![AMPO](ampo.png)(http://www.ampo.org)
 
-The Association of Metropolitan Planning Organizations Research Foundation (AMPORF), a federal 501(c)(3) organization, administers ActivitySim.
+ActivitySim is administered by the [Association of Metropolitan Planning Organizations](http://www.ampo.org) Research Foundation, a Federal 501(c)(3) organization.