- A&R Engineering Ltd - CO15 4AD
- Able Canopies Ltd - CO15 4TR
- Access Automation - CO15 4LP
- Advanced Mouldings Ltd - CO15 4LU
- Advanced Netting - CO15 3HD
- Andersen Sterilisers - CO15 4AA
- Anglia Sports & Schoolwear Ltd - CO15 4LR
- Bruntons Propellers Ltd - CO15 4TL
- CAD Bureau Southern Ltd - CO15 4LU
- CFB Boilers Ltd - CO15 4LU
- Conquest Entertainment Ltd - CO15 1HD
- Dalau Ltd - CO15 3DZ
- Dura Composites - CO15 4LP
- Essex Fire Safety Ltd - CO15 9EJ
- Essex Roller Shutters - CO15 6RB
- Force Fire Consultancy Limited - CO15 4LU
- Garden Nature Wildlife Camera Systems - CO15 4AA
- GCS Alarms Ltd - CO15 4XA
- HW Andersen Products Ltd - CO15 4AA
- International Marketing & Distribution Ltd - CO15 4XA
- Mark's Mobility Centre - CO15 6PD
- Mumford Engineering Ltd - CO15 4LU
- Nantmor Blinds Ltd - CO15 4XL
- Nico Manufacturing - CO15 3TJ
- Norden Communication - CO15 4BD
- Pickering Electronics Ltd - CO15 4NL
- Pickering Interfaces Ltd - CO15 4NL
- Prestige Welding & Powder Coating Ltd - CO15 4XA
- Safetymen - CO15 4LU
- Scandia Refrigeration Ltd - CO15 4XD
- School Signs Made Easy - CO15 4TR
- Scott Johns Electrical - CO15 4PY
- Signs Made Easy - CO15 4TR
- Sisbro Safety Co - CO15 1XL
- Sleevit - CO15 4AB
- Sovereign Labelling Machines Ltd - CO15 4BB
- Titman UK - CO15 6PP
- Tridan Engineering Ltd - CO15 4TL
- UK Blending Ltd - CO15 4XD