The Maryland State Library Network exists to provide Maryland residents with rapid, easy access to information, materials, and services from any available information source. The network comprises a variety of formal and informal programs and activities; and it is supported by state, federal, and some local funds. The network facilitates interlibrary loan and other forms of resource sharing among Maryland libraries of all types. There are more than 450 member libraries, including academic, public, school, and special libraries. Services are provided by telephone, electronically, in person, by physical delivery, through protocols and policies, and by knowledgeable staff. This report describes the following items: (1) the State Library Network; (2) agent institutions; (3) tools and delivery systems; (4) mechanisms of support; and (5) vendors (suppliers of databases and database products). (SLD)