| 1 | | Primary The Pavilion Castle Green | Hereford |  GB | | Alleviating Water Poverty | N/A | Temple Oraeki | Nigeria Country Director at Hope Spring Water |
| 2 | | Primary Unit 16H Westside Industrial Estate | St. Helens | GB | | Process Water Specialists | N/A | Matthew Roberts | Engineering Director - Hydra-Clear Process Water Ltd. |
| 3 | | Primary 7 Whalley Avenue | Manchester | GB | | Water Hygiene and Legionella Specialists | N/A | N/A | N/A |
| 4 | | Primary 35 The Vineyard | Welwyn Garden City | GB | | Shaping Water | N/A | N/A | N/A |
| 5 | | Primary The Courtyard, Wits End Stables Littlesdale Lane | Hartford | GB | | Promotional & Wholesale Bottled Water | N/A | Mike Batey | Founder at Solutions 24-7 Limited |
| 6 | | Primary HHIC - CAMDEN HOUSE | Kenilworth | GB | | Developing Hot Water | N/A | N/A | N/A |
| 7 | | Primary Harpings Business Park, Harpings Road | Hull | GB | | Experts In Water Mist Solutions | N/A | M Lujeng Pratiktama | Lead Mechanical Engineer & Project Coordinator |
| 8 | | Primary Unit 32 Alvis Road | Sandicroft | GB | | Water Jet Cutting Specialists | N/A | N/A | N/A |
| 9 | | Primary Rauter House, 1 Sybron Way, Millbrook Industrial Estate | Crowborough | GB | | Water Filtration Specialists | N/A | JIM REDFORD | Managing Director at H2O Direct |
| 10 | | Primary 8A Rishworth Street | Wakefield | GB | | "The Water Audit Experts" | N/A | Graham Mann | Director & Founder at Switchwatersupplier.com- Senior Partner H2o Building Services "The Water Audit Experts" |
| 11 | | Primary Unit 4, The Quadrangle Premier Way, Abbey Park Industrial Estate | Romsey | GB | | Smart Water Network Solutions | N/A | Jo Cooper | Product and Market Specialist at Intellitect Water Limited |
| 12 | | Primary | Grayshott | GB | | Water Is Life | N/A | William Abson | Private Water Supply & Geothermal Energy |
| 13 | | Primary PO Box 76494 | Bethnal Green | GB | | Water Sweets™ | N/A | Elinor Lundberg | Community Manager at Jelly Drops |
| 14 | | Primary East Malling Research Station | East Malling | GB | | Clean Water Asset Management | N/A | Kelly Grayland | Human Resources Officer at Veriflo Limited |
| 15 | | Primary Unit 3 214 Purley Way | Croydon | GB | | Water Engineering In Motion | N/A | Richard Hitchens | Sales and Marketing Manager at KGN Pillinger |
| 16 | | Primary Midlands | Birmingham | GB | | Managed Water Solutions | N/A | Fergus Kelly | Keltek Ltd - Managed Water Solutions |
| 17 | | CALDER & CO 16 CHARLES II STREET | LONDON | GB | | Water For All | N/A | N/A | N/A |
| 18 | | Primary Endeavor House, Team Valley Trading Estate , Seventh Ave | Team Valley Trading Estate | GB | | Hot Water Solutions For Professionals | N/A | Phil Grange | General Manager & Accountant at OSO Hotwater (UK) Ltd |
| 19 | | Unit K Country Park Avenue Two | Witney | GB | | Water Purification Specialists | N/A | Peter Wood | Managing director/Owner at Wychwood Water systems |
| 20 | | 118 HIGH STREET STAPLE HILL | BRISTOL | GB | | Water Auditors/Cost Reduction Specialists | N/A | Mike Faram | Innovation, business efficiency and environmental technologies and services |
