Amazon.com: UltraPro Porcelain Lampholder, Medium Base, Indoor Lighting, Mount on 3-1/4” or 4” Box, UL Listed, White, 18304 : Home & Kitchen
EIVA IP65 waterproof Outdoor pendant lamp for lampshades
Modular Ceiling Bulb Holder, Packaging Type: Box, Base Type: B22
Lamp holder for Ceiling and Walls
LNC LEPETOS Modern Farmhouse 6-Light Matte Black Chandelier Drum Island Ceiling Light with Brass Candlestick Lamp Holders LIQNA3E52C6Q8C - The Home Depot
Spotlight Fixture, Adjustable Flexible Rotation Lamp Holder for Showrooms for Living Rooms for Exhibition Halls(Three Round White) - Amazon.com
Craftmade Keyless Socket Lamp Holder in Porcelain - LightsOnline.com
1 Porcelain Ceiling Lamp Holder With Socket Pull Chain Bulb Mount Light Fixture - Walmart.com
Commercial Electric Spin Light 5 in. Closet Utility Pantry LED Flush Mount Ceiling Light 600 Lumens 4000K Bright White (4-Pack) 54692141-4PK - The Home Depot
Leviton 660 Wat Medium Base One-Piece Single Circuit Keyless Ceiling Mount Glazed Porcelain Incandescent Lampholder, White 9874 - The Home Depot
Remote Control Light Bulb Fixture Socket with Timer, PBT Plastic Ceiling Lamp Holder with 2 Grounded Outlet, 125V 660W Light Fixture with Outlet for Garage, Basement, Mount on 3-1/4'' or 4'' Box -
Porcelain Lamp Holder, Pull Chain, 1-Piece Medium Base, 660W