We have a number of teams where I am at. I would suggest though that once things get going: Practice, Practice, Practice. Also make sure there is some "top level" direction from 1 agency/government entity, so that you can hash out inter-team procedures. If you are just a town, try and get some coordination at the county level. Most CERT training programs are run by local Fire Departments or Emergency Management agencies (in smaller areas, the Fire Department IS the Emergency Management agency). Work with your first responders, and make sure they KNOW who you are, and that you are competent. You may also suggest that CERT members be used for volunteer positions during events, or things, so that everyone gets a feel for each other.