Textiles & Clothing Company Index - O
- Oak House Interiors - Orpington
- Oakhouse Curtains - Reading
- Ocean Rainwear Ltd. - Milton Keynes
- OCS Group UK Ltd - Crawley
- October - Nottingham
- Offtree Ltd. - Skipton
- Old Chapel Bed Centre - Market Drayton
- Old Kist - Huddersfield
- Old Park Interiors - Leeds
- Olicana Textiles Ltd. - Huddersfield
- Oliver Harding Ltd. - Leicester
- Oliver Twists Threads Ltd. - Washington
- Olternay Dye Services Ltd. - Halifax
- Olympic Embroidery Ltd. - Nottingham
- Omnisew / Omnistitch - Bristol
- On-Trend - London
- One Stop Promotions (Leicester) Ltd - Leicester
- Onward Marketing Ltd. - Stockport
- Open Range Covers - Rickmansworth
- Opro Ltd. - Hatfield
- Orbit International Plc - Birmingham
- Orbital Fasteners Ltd - Watford
- Orchard Soft Furnishings - Lymm
- Orchid Bridal Ltd. - Hinckley
- Original Creations - Rotherham
- Orion Clothing - Rochdale
- Orion Textiles - Basildon
- Osan Ltd. - Crewe
- Oswald Bailey - Bournemouth
- Ottoman Textiles Ltd. - Manchester
- Owens & Kim Designs - London