Klargester Treatment Systems
- Offer rainwater harvesting systems. Product and contact details.
- http://www.envireau.co.uk/

SAP Ratings
- Offer advice on SAP ratings a method of calculating the energy efficiency for homes. Contact details.
- http://www.sapratings.com/

Water Storage Development
- Offers water tank refurbishment to comply with environmental laws. Contact details.
- http://www.water-storage-development.co.uk

WCI Pollution Control
- Specialising in sewage treatment schemes. Offering design and construction and installation of various treatment plants. Listing information on pollution control, design and consultancy services and reed beds.
- http://www.reed-bed.co.uk

Cornwall Radon Gas Centre
- Radon testing and mitigation of buildings and private water supplies, including design and installation of systems. Testing soil. Cornwall, England.
- http://www.cornwallradon.co.uk

Sound Reduction Systems Ltd.
- Range of building and architectural products to provide acoustic treatment within buildings.
- http://www.soundreduction.co.uk

Gilleard Bird Hides
- Manufacturers and erectors of bird hides, warden chalets, boardwalks, ramps and screens to RSPB, English Nature, National Trust, water companies, local authorities and the county.
- http://www.bird-hides.co.uk