- Octogon Solutions Ltd - Leeds
- Oddy Hydraulics - Leeds
- Office Design & Project Services Ltd - Leeds
- Office Monster - Leeds
- Office Team - Leeds
- Ogden Safety Systems - Leeds
- Oilgear Towler - Leeds
- Omega Signs - Leeds
- Online Security Products Ltd - Leeds
- OPM (Labels & Packaging) Group Ltd - Leeds
- OPM Group - Leeds
- Orinoco Bearings Ltd - Leeds
- Orion Rack Cabinets - Leeds
- Outsmart Agency Ltd - Leeds
- P C Fabrications - Leeds
- P L G Yorkshire Ltd - Leeds
- P Stevenson Electrical - Leeds
- Pacsafe Ltd - Leeds
- Paddy Pads - Leeds
- Pantograph Services - Leeds
- PAT Training Services Limited - Leeds
- Path Energy - Leeds
- Paul Evans Architectural - Leeds
- Peateys Paint & Powder Coaters - Leeds
- Pegler Yorkshire - Leeds
- Penstripe - Leeds
- Petco Mouldings Ltd - Leeds
- PFM Packaging Machinery Ltd - Leeds
- Pharmacy Equipment.com - Leeds
- Philip Morris - Barrister - Leeds
- Phoenix Aluminium Shopfronts - Leeds
- Phoenix Uniform Company - Leeds
- Pickard Properties - Leeds
- Pickersgills - Leeds
- Pickquick Service - Leeds
- Pland - Leeds
- Pland Stainless - Leeds
- Poplar Products - Leeds
- Poss Ltd - Leeds
- PPSPower - Leeds
- Premier Farnell Plc - Leeds
- Print-Leeds - Leeds
- Probos Promotions Ltd - Leeds
- Procter Fencing Systems - Leeds
- Production Light & Sound - Leeds
- Promatica Digital Ltd - Leeds
- Promo Parrot - Leeds
- Protech Roofing - Leeds
- Protecting - Leeds
- Protek Fencing - Leeds
Companies 451 to 500
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