For information about joining the Exchange Network you can consult the Getting Started Guide on Joining the Network or contact :

Kurt Rakouskas
Exchange Network Coordinator
(301) 531-5186
kurt [at] exchangenetwork [dot] net

Greg McNelly
Environmental Council of the States
(202) 624-3684
gmcnelly [at] ecos [dot] org

You can also learn more by visiting the build a node and data exchange sections of this website.