| UK Company Name | Partial Address |
| H Young (Operations) Limited | NEWBURY, BERKSHIRE |
| H Young Holdings Public Limited Company | NEWBURY, BERKSHIRE |
| Hy-Line Uk Limited | HENLEY ROAD OUTHILL, STUDLEY |
| Hy-Plas Holdings Limited | Northampton, Northamptonshire |
| Hy-Ram Engineering Company Limited | MANSFIELD, NOTTINGHAMSHIRE |
| Hy-Ram Pipeline Products Ltd | MANSFIELD, NOTTINGHAMSHIRE |
| Hy-Ten Group Limited | RICHMOND, SURREY |
| Hy-Ten Limited | RICHMOND, SURREY |
| Hyacinth'S Day Nursery Limited | POOLE, DORSET |
| Hybaid Limited | ALTRINCHAM, CHESHIRE |
| Hybrid Access Technologies Limited | Ipswich |
| Hybrid Air Vehicles Limited | 239 Ampthill Road, Bedford |
| Hybrid Mail Solutions Limited | 17 Heron Road, Belfast |
| Hybrid Services Limited | GATEWAY, CREWE |
| Hycon Construction Limited | BELFAST |
| Hycrome (Europe) Limited | Peterhead |
| Hyde Lea Nursing Homes Limited | Burnham, Slough |
| Hyde Park Estates Limited | 137-143 Hammersmith Road, London |
| Hyde Park Finance Ltd | ECCLESHALL, STAFFORD |
| Hyde Park Hotels Limited | LONDON |
| Hyde Park Management Agents Limited | BALLYCLARE |
| Hyde Park Solutions Limited | 2 OCTAVIA BUILDINGS, KILMACOLM |
| Hyde Plumbing & Heating Supplies Limited | HYDE, CHESHIRE |
| Hydebank Developments Limited | Craigavon, County Armagh |
| Hyden (Uk) Limited | FORT ROAD, TILBURY |
| Hydepark Ireland Limited | KILBEGS BUSINESS PARK, ANTRIM |
| Hydes' Brewery Limited | 30 KANSAS AVENUE, SALFORD |
| Hydra (South West) Limited | St. Columb, Cornwall |
| Hydra Fire Limited | SWINTON, MANCHESTER |
| Hydracam Limited | PAPWORTH EVERARD, CAMBRIDGESHIRE |
| Hydrachem Limited | London |
| Hydrachill Limited | ENTERPRISE PARK, SWANSEA |
| Hydrainer Pumps Limited | KILLAMARSH, SHEFFIELD |
| Hydrajaws Holdings Limited | TAMWORTH, STAFFS |
| Hydrapower Limited | HINCKLEY, LEICESTERSHIRE |
| Hydraulic Projects Limited | TORQUAY, DEVON |
| Hydrawell Uk Limited | ABERDEEN |
| Hydriades Iv Limited | Walsall, West Midlands |
| Hydro Building Services Limited | HALIFAX, WEST YORKSHIRE |
| Hydro Building Systems Uk Limited | Tewkesbury, Gloucestershire Gl20 8sf |
| Hydro Cleansing Limited | CROYDON, SURREY |
| Hydro Fire Limited | 2 JUBILEE WAY, ELLAND |
| Hydro Fire Protection Services Ltd | Lisnaskea, Fermanagh |
| Hydro Industries Limited | LONDON |
| Hydro International (Uk) Ltd | KENN, CLEVEDON |
| Hydro International (Wastewater) Limited | KENN, CLEVEDON |
| Hydro International Limited | KENN, CLEVEDON |
| Hydro N.Ireland Limited | OMAGH, TYRONE |
| Hydro Plant Limited | SOUTHALL, MIDDX |
| Hydro Properties Limited | NR LEWES, EAST SUSSEX |
| Hydro Systems Europe Ltd | DOWNSHIRE WAY, BRACKNELL |
| Hydro Systems Uk Limited | Ascot, Berkshire |
| Hydro Tec Limited | KETTERING, NORTHANTS |
| Hydro Water Management Solutions Ltd | Stockport, Cheshire |
| Hydro-Gen Limited | WIMBORNE, DORSET |
| Hydroclean Ltd | CARRICKMORE, OMAGH |
| Hydrogarden Limited | Binley Industrial Estate, Coventry |
| Hydrogen Professional Ltd | One New Change, London |
| Hydron Industrial Limited | SKELTON, CLEVELAND |
| Hydron Protective Coatings Limited | WOLVERHAMPTON, WEST MIDLANDS |
| Hydropath Technology Limited | 6 BEVIS MARKS, LONDON |
| Hydroscand Ltd. | WESTBURY-ON-TRYM, BRISTOL |
| Hydroseeding Limited | DURSLEY, GLOUCESTERSHIRE |
| Hydrotec (Uk) Limited | HUGHENDEN AVENUE, HIGH WYCOMBE |
| Hyfire Wireless Fire Solutions Limited | Kenilworth, Warwickshire |
| Hyfore Workholding Limited | COVENTRY, WEST MIDLANDS |
| Hygeia Limited | 10-12 LOMBARD ROAD, LONDON |
| Hygeian Consulting Ltd | 5th Floor, London |
| Hygenacare Limited | BLACKBURN, LANCASHIRE |
| Hygeno Ltd | Gilberdyke, Brough |
| Hygieia Medical Ltd | 3 BEDFORD SQUARE, BELFAST |
| Hygiene Group Limited | KINGS NORTON BUSINESS CENTRE, BIRMINGHAM |
| Hygiene Management Solutions Limited | GRAVESEND, KENT |
| Hygiene Pro Clean Limited | Fletchworth Gate Industrial Estate, Coventry |
| Hygienic Equipment Limited | Sale, Cheshire |
| Hygienic Plastics Ltd | SHEFFIELD, SOUTH YORKSHIRE |
| Hygienic Solutions (Uk) Limited | LEICESTER, LEICESTERSHIRE |
| Hygienic Stainless Steels Limited | Preston, Lancashire |
| Hygienik Systems Limited | London |
| Hyjetts Nw Limited | RUNCORN, CHESHIRE |
| Hyland Uk Operations Limited | Maidenhead, Berkshire |
| Hylands Developments Limited | BELFAST, CO DOWN |
| Hylton & Dawson Limited | LEICESTER, LEICESTERSHIRE |
| Hymac Limited | Crawley, West Sussex |
| Hymans Robertson Llp | London |
| Hynes Brothers Limited | NORTHWICH, CHESHIRE |
| Hynes Illingworth Limited | KENDAL, CUMBRIA |
| Hype Branding Limited | MALDON, ESSEX |
| Hyper Recruitment Solutions Ltd | LOUGHTON, ESSEX |
| Hyperama Plc | NOTTINGHAM, NOTTINGHAMSHIRE |
| Hyperflight Limited | STRATFORD-UPON-AVON, WARWICKSHIRE |
| Hyperformance Limited | NANTWICH ROAD, TARPORLEY |
| Hyperion Tiles Ltd | FARNBOROUGH, HAMPSHIRE |
| Hyperlink Limited | NEWTON ABBOT, DEVON |
| Hyperoptic Ltd | 174 Hammersmith Road, London |
| Hypertec Limited | Hapton, Burnley |
| Hypertherm Uk, Llc | DOVER, DELAWARE 19904 |
| Hypothekenbank Frankfurt Ag | ESCHBORN 65760 |
| Hyster-Yale Group Limited | FRIMLEY, SURREY |
| Hyster-Yale Uk Limited | FRIMLEY, SURREY |
| Hyundai Motor Uk Limited | Leatherhead, Surrey |
| Hyve Solutions Europe Limited | Basingstoke, Hampshire |
| Hyve Uk Events Limited | London |
| Hyway Cabling Ltd | BERKSHIRE, SLOUGH |
| Hywood Investments Limited | CHANDLERS FORD EASTLEIGH, HAMPSHIRE |