| WALKWAY Anti-Slip Surface | ADDAGRIP SURFACE TREATMENTS UK LTD |
| DURA COMPOSITES |
| ELEFANT GRATINGS LTD |
| FLAG SOPREMA UK Ltd |
| HERTALAN (UK) LTD |
| MATSDIRECT UK LTD |
| RESIN BONDED SURFACES LTD |
| STENI UK |
| THE STEEL GRATING COMPANY (2006) LLP |
| TILON COMPOSITES LTD |
| WATCO UK LTD |
| WALKWAY Canopies | DURA COMPOSITES |
| FORDINGBRIDGE PLC |
| ITAB MK LTD |
| LIVING SPACE UK LTD |
| QMP |
| ROCKWELL SHEET SALES LTD |
| SABIC INNOVATIVE PLASTICS |
| SASH UK LTD |
| TWINFIX |
| WALKWAY Flooring | DURA COMPOSITES |
| ELEFANT GRATINGS LTD |
| HERTALAN (UK) LTD |
| THE EXPANDED METAL CO LTD |
| THE STEEL GRATING COMPANY (2006) LLP |
| TILON COMPOSITES LTD |
| VISUL SYSTEMS LTD |
| WATCO UK LTD |
| WALKWAY Gratings | ANCON BUILDING PRODUCTS |
| DURA COMPOSITES |
| E E INGLETON ENGINEERING LTD |
| ELEFANT GRATINGS LTD |
| THE EXPANDED METAL CO LTD |
| THE STEEL GRATING COMPANY (2006) LLP |
| WADE INTERNATIONAL LTD |
| WATCO UK LTD |
| WELAND LTD |
| WALKWAY Tiles | HERTALAN (UK) LTD |
| ICOPAL LTD |
| SPARTAN TILES LTD |
