- Douglas Gold
- Douglas Goodwillie
- Douglas Gray
- Douglas Grissom
- Douglas Gross
- Douglas Gruener
- Douglas Hailey
- Douglas Hallstrom
- Douglas Hamilton
- Douglas Hand
- Douglas Harmon
- Douglas Hart
- Douglas Hendrickson
- Douglas Herman
- Douglas Hillhouse
- Douglas Hirsch
- Douglas Ian Glazer
- Douglas Italia Acquisitions
- Douglas Jack
- Douglas Jackson
- Douglas Kelly
- Douglas Kennealey
- Douglas Kisielius
- Douglas Knoch
- Douglas Kopelman
- Douglas Korn
- Douglas Kruep
- Douglas Lake Jr.
- Douglas Lake Jr.
- Douglas Lehrman
- Douglas Levy
- Douglas Lighting Controls Acquired By Atar Capital
- Douglas Lionberger
- Douglas Lowrie
- Douglas Luetjen
- Douglas Lurio
- Douglas Machine & Tool Acquired By TurboCombustor Technology
- Douglas Machines Acquired By CNL Strategic Capital Management
- Douglas Machining Services Acquired By Compass Precision
- Douglas Madden
