Tebru Lamp Socket, Wall Plug E27 Bulb Lamp Socket Mount Holder Adapter with Switch Control, Bulb Socket - Walmart.com
DEWENWILS Remote Control Light Socket, Wireless Remote Control Lamp Bulb Socket with Switch for Pull Chain Light Fixtures, 100FT Range, No Wiring Needed, ETL Listed(Shorter Version) - - Amazon.com
Project Source 660-Watt Black Medium Light Socket Adapter with Pull Chain in the Light Socket Adapters department at Lowes.com
E26 Light Bulb Socket to AC Wall Outlet Plug Adapter On/Off Switch, 12 FT Cord - $7.53 - JacobsParts Inc
UL Listed E26 Light Socket, Threaded Lamp Socket Replacement with ON/Off Switch Medium Base Lamp Parts with Lamp Shade Ring Ring for Table lamp, Floor lamp, Light Fixture, Black 1-Pack - -