- Batchelor Air Conditioning & Refrigeration - Olney
- Case Ltd - Olney
- Donzella Wines - Olney
- Eoin Technology Ltd - Olney
- G 2 Energy - Olney
- George Davies Turf - Olney
- KIM Construction - Olney
- Olney Precision Ltd - Olney
- Projector Lifting Service Ltd - Olney
- Red 17 - Olney
- Roseview Windows - Olney
- Sci-tek Instruments - Olney
- Solalighting - Olney
- Templecoombe Ltd - Olney
- UK Exchangers Ltd - Olney
- Wards of Olney Ltd - Olney