- A Markham & Sons Ltd - SS13 2DT
- Acorn Components Ltd - SS13 1QN
- Alert Fire Ltd - SS13 1EU
- Beaver 84 Ltd - SS13 1EP
- BI Communications - SS13 1BJ
- Bingham Precision Engineers Ltd - SS13 1LP
- C M R Controls - SS13 1LN
- Click4Assistance - SS13 1SS
- CODESIGN2 - SS13 3QX
- CPS Engineering - SS13 1LT
- East London Packaging Supplies Ltd - SS13 1LN
- Eco Therm Insulation UK Ltd - SS13 1QJ
- Elan Fire & Security Group Ltd - SS13 1BJ
- Essex Packaging Supplies - SS13 1EB
- Focus Media UK Ltd - SS13 2HG
- Galvoptics Ltd - SS13 1ES
- Gardner Aerospace - SS13 1DJ
- H20 Nationwide Ltd - SS13 1LN
- Hopkins Young - SS13 1BX
- IFC Inflow - SS13 1QH
- Image Optics Ltd - SS13 1ES
- Ironmongery Direct - SS13 1ND
- LEAPAC - SS13 1TN.
- Leysop Ltd - SS13 1LN
- M G & A Engineering Ltd - SS13 1QA
- Packaging Aids Ltd - SS13 1TN
- Pectel A Keltbray Division - SS13 1DT
- Power Adhesives Ltd. - SS13 1TN
- Project Skills Solutions - SS13 1QD
- Rawley Event Toilets - SS13 1RP
- Rawley Plant Ltd - SS13 1RP
- Resiblock Limited - SS13 1DW
- Rim Plastics Technology Ltd - SS13 1DJ
- Scott's Safety - SS13 1LN
- Site King - SS13 1QA
- Sparks Laser Services Ltd - SS13 1EH
- Steelcraft UK Ltd - SS13 1QJ
- Total Waste Management Ltd - SS13 1EB
- Waterjet Profilers Ltd - SS13 1LS