Frederick Non Profit Organizations 100 S Market St The City of Frederick, Maryland. This site contains information about the city's government, news, meetings, careers, events, departments and more. Frederick MD Non Profit Organizations Frederick Community Action Agy www.cityoffrederick.com City of Frederick Frederick Maryland Maryland Cities Maryland Frederick Historical Frederick Historical City of Frederick City of Frederick Frederick Maryland Maryland Cities Maryland Frederick Historical Frederick Historical City of Frederick Business Reviews Frederick Community Action Agy Testimonials