Manna Food Center 9311 Gaither Rd, Gaithersburg, MD20877 Manna Food Center is a non-profit organization working to eliminate hunger in Montgomery County. It offers education,…More advocacy and food distribution through its food bank. This food bank serves as the main resource for almost all of the non-profits in the area. This location is the main warehouse and distributes food to St. Camillus, Wheaton, East County, Germantown and Long Branch. Manna Food Center has a constant need for donations from the community of non-parishable foods. Donations can be dropped off Monday through Friday from 8am - 4pm.