Factories, garages, works, etc., as listed in 1963. Names of businesses listed by first letter, from D to F.
- Stanley Dale and Sons
- Thomas Davies Engineering Ltd.
- L.C. Davis & Sons, Ltd.
- J.S. Deed & Sons, Ltd.
- Delafond and Beavis
- Delegate of the Oxford University Press
- Dermay Casting Co., Ltd.
- Diana Display Ltd.
- The Direct Spray Process Co., Ltd
- H. Dixie
- Domestic Electric Rentals
- H.G. Dorrett, Ltd
- Down Bros., Mayer & Phelps, Ltd.
- G.N. Drinkwater
- Duco Enamellers, Ltd.
- Eagle Box Co.
- I.H. Eagles
- A. & J. Edmunds
- Harry A. Ellis, Automatics
- Elvin & Co., Ltd
- Escol Products, Ltd.
- The Eyre Smelting Co., Ltd.
