- Health, Safety & Environmental Resource Ltd - Parkgate
- Health, Safety & Environmental Specialists Ltd - London
- Health, Safety & Fire Engineering Ltd - Woking
- HEALTH, SAFETY & OUTAGE SOLUTIONS LTD - Runcorn
- Health, Safety & Risk Consultancy Ltd - St. Ives
- Health, Safety, Security & Environment Academy for Development & Consultation Ltd - London
- Health, Safety, Security & Environmental Ltd - Norwich
- Health, Training & Development Ltd - Iver
- Health, Work & Wellbeing Group Ltd - Crewe
- Health-buzz Ltd - Horsham
- Health-care Analytical Solutions Ltd - Dorking
- Health-care Equipment & Supplies Co Ltd - Egham
- HEALTH-CHECKS APPS Ltd - London
- Health-chem Ltd - Nottingham
- Health-connected Ltd - Teddington
- Health-e Project Management Ltd - Carshalton
- Health-e-futures Ltd - Winchester
- Health-excellence Ltd - Halifax
- Health-force Ltd - Hove
- Health-herbals Ltd - Doncaster
- Health-od.Net Ltd - Isleworth
- Health-pursuits Ltd - Leatherhead
- Health-Spa Water Ltd - Westcliff-on-Sea
- Health-style for Life Ltd - London
- HEALTH-TEC LTD - Poynton