CILLS | AGGREGATE INDUSTRIES - BLOCKS |
| AGGREGATE INDUSTRIES - STRUCTURAL PRODUCTS |
| ALUMASC WATER MANAGEMENT SOLUTIONS |
| ANDERTON CONCRETE PRODUCTS LTD |
| BINGLEY STONE |
| CONTOUR HEATING PRODUCTS LTD |
| CRITTALL WINDOWS LTD |
| DANI ALU UK LTD |
| EUROCELL PLC |
| FORTICRETE WALLING & CAST STONE |
| HOWARTH TIMBER GROUP |
| PROCTER CAST STONE |
| PROTEKTOR GROUP UK LTD |
| ROBESLEE CONCRETE CO LTD |
| SUPREME CONCRETE LTD |
| WELSH SLATE |
CILLS Aluminium | ALUMASC WATER MANAGEMENT SOLUTIONS |
| CONTOUR HEATING PRODUCTS LTD |
| DANI ALU UK LTD |
| FUSION FACADES LTD |
| ICB GROUP |
| PROTEKTOR GROUP UK LTD |
CILLS Cast Stone (Reconstructed Stone) | AGGREGATE INDUSTRIES - BLOCKS |
| AGGREGATE INDUSTRIES - STRUCTURAL PRODUCTS |
| FORTICRETE MASONRY PRODUCTS |
| FORTICRETE WALLING & CAST STONE |
| PROCTER CAST STONE |
CILLS Limestone | PORTLAND STONE FIRMS LTD |
CILLS Metal | CONTOUR HEATING PRODUCTS LTD |
| CRITTALL WINDOWS LTD |
| FUSION FACADES LTD |
CILLS Natural Stone | BINGLEY STONE |
| PORTLAND STONE FIRMS LTD |
CILLS Portland Stone | PORTLAND STONE FIRMS LTD |
CILLS Precast Concrete | ANDERTON CONCRETE PRODUCTS LTD |
| HOLCIM AGGREGATES UK |
| ROBESLEE CONCRETE CO LTD |
| SUPREME CONCRETE LTD |
CILLS PVC-u | EUROCELL PLC |
CILLS Sandstone | BINGLEY STONE |
CILLS Slate | WELSH SLATE |
CILLS Steel Galvanised | CRITTALL WINDOWS LTD |
CILLS York Stone | BINGLEY STONE |