| GUTTER Brackets | ALUMASC WATER MANAGEMENT SOLUTIONS |
| GUTTERMASTER LTD |
| HUNTER PLASTICS LTD |
| LINDAB LTD |
| MARLEY PLUMBING & DRAINAGE |
| OSMA |
| POLYPIPE BUILDING PRODUCTS |
| POLYPIPE TERRAIN LTD |
| PROTEKTOR GROUP UK LTD |
| GUTTER Drips | UBBINK UK LTD |
| GUTTER Expansion Movement Joints | MATTHEW HEBDEN |
| GUTTER Fixings: | ALUMASC WATER MANAGEMENT SOLUTIONS |
| GUTTERMASTER LTD |
| PAM BUILDING |
| PROTEKTOR GROUP UK LTD |
| GUTTER Guards | EUROCELL PLC |
| LINDAB LTD |
| PROTEKTOR GROUP UK LTD |
| SEAMLESS ALUMINIUM GROUP |
| GUTTER Heating | GAIA CLIMATE SOLUTIONS LTD |
| GUTTER Insulating Trims | PROTEKTOR GROUP UK LTD |
| GUTTER Linings | FILON PRODUCTS LTD |
| GUTTER Repairs | AAC WATERPROOFING LTD |
| ALUMASC WATER MANAGEMENT SOLUTIONS |
| FILON PRODUCTS LTD |
| PROMAIN UK LTD |
| SIKA LIQUID PLASTICS LTD |
| TOR COATINGS LIMITED |
| TRITON SYSTEMS |
| GUTTER Stop Ends Internal | ALUMASC WATER MANAGEMENT SOLUTIONS |
| OSMA |
| GUTTER Waterproofing Systems | SIKA LIQUID PLASTICS LTD |
| TOR COATINGS LIMITED |
