- A V T Pump Ltd - Hassocks
- Acorn Fasteners Ltd - Hassocks
- Acorn Industrial Components Ltd - Hassocks
- Arbor Eater Brushwood Chippers Ltd - Hassocks
- Breakaway Digital - Hassocks
- Cedar Green Projects Ltd - Hassocks
- Clearstone Paving Ltd - Hassocks
- Contego Safety - Hassocks
- Forcesquares - Hassocks
- Friday Media Group - Hassocks
- Geo Environmental Services - Hassocks
- Iride - Hassocks
- Paul Earl Ltd - Hassocks
- Pavilion - Hassocks
- Pentacraft Engineering Ltd. - Hassocks
- Quercus Furniture - Hassocks
- RMK Portable Appliance Testing Ltd - Hassocks
- Softech Global - Hassocks
- Southdown Engineers Ltd - Hassocks
- Stallion Plant Services Ltd - Hassocks
- Technetix - Hassocks
- Trimec Europe Ltd - Hassocks
- Wickwoods Country Club, Hotel & Spa - Hassocks