- Douglas Berman
- Douglas Brandely
- Douglas Brandely
- Douglas Bratton
- Douglas Brayley
- Douglas Brosius
- Douglas Brown
- Douglas Bryce
- Douglas Burton
- Douglas Charnas
- Douglas Chero Acquired By Cameron International
- Douglas Clayton
- Douglas Cogen
- Douglas Collins
- Douglas Copland
- Douglas County Bank Acquired By Hamilton State Bancshares
- Douglas Curran
- Douglas Dahl
- Douglas Diamond
- Douglas Dimedio
- Douglas Dolan
- Douglas Donohue
- Douglas Dynamics Acquisitions
- Douglas Eingurt
- Douglas Eisenberg
- Douglas Elkins
- Douglas Ellenoff
- Douglas Elliman Acquisitions
- Douglas Elsbeck
- Douglas Equipment Acquired By Textron Ground Support Equipment UK
- Douglas Everette
- Douglas Faucette
- Douglas Fell
- Douglas Fox
- Douglas Frank
- Douglas Freel
- Douglas Freeman
- Douglas Gilbert
- Douglas Gill International Acquisitions
- Douglas Gilmour
