- A & J Scott Ltd - Northumberland
- Advanced Electronics - Northumberland
- Bespoke Concrete Products Ltd - Northumberland
- Brilliant Source - Northumberland
- Clifton Engineering (North East) Ltd - Northumberland
- CMP Products - Northumberland
- CRS Engineering Ltd - Northumberland
- CRT Packaging (UK) Ltd - Northumberland
- Dipsticks Research Ltd - Northumberland
- Eastern Seals (UK)Ltd - Northumberland
- Ford & Etal Estates - Northumberland
- ISIS Property Services Ltd - Northumberland
- Messer Cutting Systems (Messer Griesheim Ltd) - Northumberland
- P. Plunkett Tiling Contractors Ltd - Northumberland
- Salem Tube International Ltd - Northumberland
- The All In One Company - Northumberland
- Tweed Packaging - Northumberland
- William Hackett Chains Ltd - Northumberland