ROOF OUTLETS Aerial Cable | HUNTER PLASTICS LTD |
| KLOBER LTD |
| SIKA LIQUID PLASTICS LTD |
| UBBINK UK LTD |
ROOF OUTLETS DIN EN 1253 | DALLMER LTD |
ROOF OUTLETS Fire Protection Collars | DALLMER LTD |
ROOF OUTLETS Power Cables | KLOBER LTD |
ROOF OUTLETS Rainwater | ACO TECHNOLOGIES PLC - BUILDING DRAINAGE |
| ALUMASC WATER MANAGEMENT SOLUTIONS |
| BLÜCHER UK LTD |
| COMPONENT DEVELOPMENTS |
| DALLMER LTD |
| HUNTER PLASTICS LTD |
| ICB (WATERPROOFING) LTD |
| KINGSPAN Wastewater Management |
| KLOBER LTD |
| MARLEY PLUMBING & DRAINAGE |
| OSMA |
| PAM BUILDING |
| POLYPIPE TERRAIN LTD |
| RADMAT BUILDING PRODUCTS LTD |
| SIKA LIQUID PLASTICS LTD |
| SOPREMA UK |
| WAVIN |
ROOF OUTLETS Soil and Waste Vents | KLOBER LTD |
| OSMA |
| POLYPIPE BUILDING PRODUCTS |
| RADMAT BUILDING PRODUCTS LTD |
| SIKA LIQUID PLASTICS LTD |
| UBBINK UK LTD |
ROOF OUTLETS Solar Panel Pipes and Cables | KLOBER LTD |
ROOF OUTLETS Water Expansion Pipe | UBBINK UK LTD |