Located within Old Town Manassas, EFR Computing has been offering on-site computer and network services to residential customers and businesses in the DC area for about 5 years. It offers a wide variety of services, including computer repair, virus/spyware detection and removal, data recovery, broadband and wireless installation, network services, server installation and configuration, electronic health record (EHR) for health care providers, firewalls and internet security, point of sale system (POS) installation for restaurants and retailers, customized service plans, and remote video surveillance. Spanish (Se habla español) is spoken here.