- Hydrosense - Springfield Linlithgow , West Lothian, EH49 7NX
- Hydroserve - Waves Farm, Horsham, West Sussex, RH13 6RJ
- Hydrosphere UK Ltd - The Old Grain Store, West End Farm, Alton, Hampshire, GU34 4JR
- Hydrotec (UK) Ltd - 5 Manor Courtyard, High Wycombe, Buckinghamshire, HP13 5RE
- Hydrotec Consultants Ltd - Unit 1 Moorfield Business Park, Moorfield Close, Leeds, West Yorkshire, LS19 7YA
- Hydrotech Services Ltd - 4 Home Farm, Petersfield Road, Alresford, Hampshire, SO24 0EF
- Hydrotechnik UK Ltd - 1 Central Park, Nottingham, Nottinghamshire, NG7 2NR
- Hydrotek-Wallguard - Essex House, Ongar, Essex, CM5 9EB
- Hydrovane Air Compressor Services - Unit L, OYO Business Units, Essex, RM9 6LN
- Hydroweld - 46 Bedford Drive, Sutton Coldfield, West Midlands, B75 6AX
- Hydrowgrow Systems Ltd - 7 Fields Farm Road, Nottingham, Derbyshire, NG10 3FZ
- Hyflex Roofing - Amasco House, Cradley Heath, West Midlands, B64 5PX
- Hyfore Engineering Ltd - Unit 2 67 Blackhorse Road , West Midlands, CV6 6DP
- Hygan Products Ltd - Stoke Old Road, England, ST4 6ES
- Hygiena - Unit E, Watford, Hertfordshire, WD24 4YJ
Companies 2701 to 2715 | Page 181 of 186