ProLiteracy Worldwide. ProLiteracy, the sister company of New Readers Press sponsors the National Book Fund, which grants New Readers Press materials to grantees. Over it's 20 year history, the National Book Fund has granted $2.9 million to organizations in the 50 states and the District of Columbia. When you click on the site below, scroll down for grant application information.
http://www.proliteracy.org/our-solutions/nbf
Literacy Powerline. Founded by Margaret Doughty, Literacy Powerline offers recommendations, resources and services for literacy programs. At this web site, click on the “Re$ourceLine” for access to a targeted funding research database for a small fee (both individual and coalition rates).
http://www.literacypowerline.com/
Dollar General Literacy Foundation. Those of us in the field for a while know the great work that the Dollar General Foundation does in supporting literacy. Check this site often as grants become available for application.
http://www.dollargeneral.com/dgliteracy/Pages/landing.aspx
Other Funding Options. Check with your local business organizations such as the Rotary Club, as they have funded a variety of adult literacy programs.