Baker Welding & Metal Fabrication: Specializing in metal fabrication including but not limited to steel, aluminum, and magnezium.
Bengar Inc.: Sells rebuilt fertilizer spreaders and equipment.
Glass by James Michael: Produces glass artforms in a contemporary style. Paperweights, abstract desktop sculptures, life size castings of humans, lamps, and tables.
Sandkuhl Clay Works: Manufacturer of clay and refractory products for masonry fireplaces, historical reproduction, agricultural drainage, wine storage, metal casting and other applications.
Spencerville Branch Library: Provides current print and non-print materials for both adults and children.
Spencerville Local News: Topix.net: Local, regional, and statewide news collected from diverse sources on the web.
Spencerville, Ohio: Provides information on schools, churches, businesses, and activities.
The Weather Channel - Spencerville, Ohio: Local weather information.