Water and effluent treatment plant building contractors in United Kingdom
- Irvine Whitlock Ltd
- M & D H Insurance Services Ltd
- The Plastic Fan Co. Ltd
- Hewden Stuart Ltd
- Brimac Environmental Services Ltd
- Hydrochem UK Ltd
- Hager & Elsasser UK Ltd
- Leerich.Co.Uk
- Hodge Separators Ltd
- Concrete Renovations
- Consteel Technical Services Ltd
- P A Hollingworth & Co. Ltd
- Industrial Purification Systems
- Copa Ltd
- Euroby Ltd

Building and civil engineering contractors