Allen County Extension Office - Branch office of Ohio State University, it combines the needs of local citizens and communities, with new research and technical information. Allen Economic Development Group - Provides community and business information. Allen County - Official site. Lima - Allen County Convention and Visitors Bureau - Provides information on area attractions, restaurants, convention and meeting sites, shopping, sports and recreation, transportation, group tour planning, night life and community services. Lima-Allen County Regional Planning Commission - An association of delegates that serve for discussion, sharing of ideas, and information among communities for local and regional issues. County Map - Ohio Department of Transportation map of Allen County. Profile for Allen County - Information on the political infrastructure of the county.