To find other local organizations search Google. For example, if you're searching for sites on or mention Waco and poverty, use the following search string
Waco poverty site:.org
Typing this search string will retrieve Texas organizations, websites, and information on poverty in Texas.
Try similar searches for other topics and regions.
Typing "Waco poverty" site:.org will retrieve information that has the phrase "Waco poverty" together somewhere on the page.