| 1 Stop Plumbing & Heating - 484830 | 1st Call Plumbing & Heating - 432009 | A.A Emergency Plumbing Services - 474437 |
| AJM PLumbing & Heating - 496803 | A to Z Plumbing & Heating - 661471 | Action Services - 496259 |
| Alan Heath Plumbing & Heating - 231000 | Andrew Corran - 471199 | Aqua - 497567 |
| Aquaflow Services - 496268 | Asap Plumbing Services - 473332 | Astin Bros - 661937 |
| Bathroom Installations - 843435 | Bell Simon Plumbing & Heating - 460006 | Peter Bagnall - 813766 |
| Damien A. Barron - 475986 | Panelcraft - 666555 | Billy Cubbon - 463135 |
| Bimson & Kennish - 495690 | B Boyde - 243638 | Brew & Corkill - 615588 |
| John Brooks - 812225 | Danny Brophy - 424742 | Derek Brownless - 487309 |
| Paul Bucuris - 426005 | John A. Cooper - 494034 | John J Eles - 470903 |
| Mike Kerruish - 612406 | Russel T. Phillips - 496330 | Paul Wheeler - 498718 |
| James Clarke - 473332 | Cold Snap - 495338 | A. Collister - 494722 |
| Crebbin & Maddrell - 833429 | Crebbin & Sons - 834379 | D A Gulliver - 851439 |
| L Dawson - 492780 | M.D Devine - 814750 | Emergency Plumbing Services - 438701 |
| Falcon Heating - 835747 | Stephen Garrett - 466733 | Gas Services - 494983 |
| Gasmann - 494188 | Hamer & Smith - 491365 | Paul Hartley - 437949 |
| J.R Hinchliffe - 415875 | I and I Gas - 475292 | James Cain - 497997 |
| Jamieson Utility Services - 480437 | JD Heating & Plumbing - 673778 | John Scott - 264278 |
| Juan Leece - 663787 | R Kane - 493897 | W.A.K Kelly - 490042 |
| Kennaugh Plumbing & Heating - 491369 | MW Services - 453075 | Mannin Gas Services - 466457 |
| Manx Solar Energy - 665800 | John Moore - 494813 | NK Plumbing - 480654 |
| Noble Plumbing & Heating - 496275 | P.T.Plumbing & Heating - 480280 | Phil Wilkinson - 432009 |
| R.T. Phillips - 496330 | Platinum Plumbing - 470563 | Plumcall Heating - 627272 |
| Eddie King - 822902 | Practical Heating & Plumbing Solutions - 235050 | Premier Drains - 334395 |
| Premier Plumbing & Heating - 469918 | Quiggin & Cubbon - 621042 | Richard Rice - 493332 |
| C.E. Richmond - 491380 | SCS - 628424 | Steve the Country Plumber - 801946 |
| Summerhill Plumbing & Heating - 495225 | Ted Fick - 498391 | M Thompson - 491797 |
| Roger Sutcliffe - 673868 | Klargester - 419201 | Wilfred Waggett - 491975 |
| Water Works - 474437 |
