Responsible Sourcing League Tables
The Framework for Responsible Sourcing of Construction Products, BES 6001, has certified products from over 60 companies so far and has coverage in the following countries: Belgium, China, Czech Republic, Finland, France, Germany, India, Ireland, Lithuania, Netherlands, Poland, Portugal, Qatar, Romania, Spain, Sweden, Switzerland, Turkey, UAE and the UK.
League Tables
The following tables show all current BES 6001 certificates, by construction product category, and the rating achieved by each company.
- Latest Responsible Sourcing certificates issued by BRE
- Latest Responsible Sourcing certificates issued by all licensees
- First 3 Responsible Sourcing certificates ever issued by BRE
- First 3 Responsible Sourcing certificates ever issued by all licensees
- Aggregates
- Aluminium Products
- Asphalt
- Blocks
- Bricks
- Cement
- Cementitious
- Clay
- Concrete Products
- Drainage
- Flooring
- Fly Ash
- Glass
- Grouts
- Insulation & Insulation Products
- Lime
- Lintels
- Mechanical & Electrical Items
- Mortars
- Paint Products
- Paving Products
- Plasterboard
- PVC Profiles
- Radiators
- Rebar
- Reinforcement
- Roofing Products
- Sand
- Steel Products
- Stone
- Walling Products
Latest Responsible Sourcing certificates issued by BRE
| Company | Certificate | Issue Date |
| Al Wataniya Concrete LLC | RS0051 | 16/04/2018 |
| SC Vitida Mineral SRL | RS0029 | 03/04/2018 |
| Marshalls plc | RS0008 | 08/03/2018 |
| William Hare Ltd | RS0012 | 04/01/2018 |
| Bourne Construction Engineering Ltd | RS0023 | 14/12/2017 |
| Explore Manufacturing Ltd | RS0009 | 10/11/2017 |
| Polyflor Ltd | RS0022 | 05/09/2017 |
| Byrne Bros. (Formwork) Ltd | RS0005 | 05/09/2017 |
| Knauf Insulation Ltd | RS0050 | 10/08/2017 |
| Holcim (Romania) S.A. | RS0019 | 20/06/2017 |
| Holcim (Romania) S.A. | RS0020 | 20/06/2017 |
| Holcim (Romania) S.A. | RS0021 | 20/06/2017 |
| Celsa Steel (UK) Ltd | RS0006 | 17/06/2017 |
| Steel Formed Sections Ltd | RS0049 | 25/05/2017 |
| CRH Ciment (Romania) S.A. | RS0048 | 16/05/2017 |
| Stevin Rock LLC | RS0047 | 08/05/2017 |
| Techcrete Ltd | RS0013 | 02/05/2017 |
| AkzoNobel Decorative Paints UK | RS0031 | 24/03/2017 |
| Kingspan Insulated Panels | RS0046 | 06/03/2017 |
| Objectflor Art und Design Belags GmbH | RS0045 | 16/02/2017 |
| Polyflor Ltd | RS0044 | 16/02/2017 |
| Imerys TC | RS0017 | 21/01/2017 |
| Ravatherm UK | RS0043 | 13/01/2017 |
| Saint Gobain Construction products CZ a.s. | RS0042 | 12/12/2016 |
| Hurks prefabbeton b.v. | RS0040 | 14/11/2016 |
| Parkside Group | RS0041 | 03/11/2016 |
| Xtratherm Ltd | RS0039 | 13/09/2016 |
| Daikin Industries Czech Republic s.r.o. | RS0038 | 01/09/2016 |
| Kingspan Insulation Ltd | RS0037 | 15/07/2016 |
| Bison Manufacturing Ltd | RS0036 | 01/07/2016 |
| Quattro (UK) Ltd | RS0035 | 29/06/2016 |
| Saint Gobain Construction Products Polska Sp z o.o. | RS0034 | 26/06/2016 |
| St Gobain Construction Products (Ireland) Ltd | RS0033 | 19/05/2016 |
| Daikin Europe B.V. | RS0032 | 04/03/2016 |
| ArcelorMittal Europe - Long Products | RS0030 | 15/12/2015 |
| Creagh Concrete Products Ltd | RS0010 | 03/09/2015 |
| Lafarge Kruszywa i Beton z.o.o. | RS0028 | 24/06/2015 |
| Lafarge Kruszywa i Beton z.o.o. | RS0027 | 24/06/2015 |
| Severfield plc | RS0007 | 24/06/2015 |
| Compania Espanola de Laminacion S.L. | RS0026 | 12/06/2015 |
| Celsa Steel (UK) Ltd | RS0006 | 26/05/2015 |
| Paroc Group Oy | RS0025 | 22/05/2015 |
| Polypipe Terrain Ltd | RS0024 | 14/04/2015 |
Latest Responsible Sourcing certificates issued by all licensees
| Company | Certificate | Issue Date | Licensee |
| Lignacite Ltd | BES580823 | 17/05/2018 | BSI |
| Tobermore Concrete Products Ltd | BES687232 | 09/05/2018 | BSI |
| Swish Building Products | BES573495 | 18/04/2018 | BSI |
| Swish Building Products | BES612969 | 18/04/2018 | BSI |
| Al Wataniya Concrete LLC | RS0051 | 16/04/2018 | BRE |
| Telford Extrusions | BES583816 | 11/04/2018 | BSI |
| SC Vitida Mineral SRL | RS0029 | 03/04/2018 | BRE |
| A.Steadman & Son (a division of SIG Trading Ltd) | INTRS0001 | 30/03/2018 | Intertek |
| Metal Technology Ltd | BES675645 | 14/03/2018 | BSI |
| Marshalls plc | RS0008 | 08/03/2018 | BRE |
| Aggregate Industries UK Ltd | BES680983 | 06/03/2018 | BSI |
| Tata Steel Nederland Technology b.v. | BES643794 | 05/03/2018 | BSI |
| Albion Stone plc | BES608176 | 04/03/2018 | BSI |
| Tarmac Building Products Ltd | BES567267 | 01/03/2018 | BSI |
| Breedon Aggregates England Ltd | BES592591 | 01/03/2018 | BSI |
| Quinn Radiators Ltd | BES587883 | 25/02/2018 | BSI |
| Tarmac | BES557602 | 08/02/2018 | BSI |
| Tarmac | BES559207 | 08/02/2018 | BSI |
| Tarmac | BES568430 | 08/02/2018 | BSI |
| Tarmac Cement & Lime Ltd | BES573008 | 08/02/2018 | BSI |
| Tarmac Cement & Lime Ltd | BES573009 | 08/02/2018 | BSI |
| Tarmac Cement & Lime Ltd | BES609588 | 08/02/2018 | BSI |
| Tarmac Cement & Lime Ltd | BES612751 | 08/02/2018 | BSI |
| ISOCAB France | INTRS0003 | 05/02/2018 | Intertek |
| Aggregate Industries UK Ltd | BES563426 | 26/01/2018 | BSI |
| Aggregate Industries UK Ltd | BES668185 | 26/01/2018 | BSI |
| Voestalpine Metsec plc | BES582737 | 24/01/2018 | BSI |
| Saint Gobain Glass UK | BES602330 | 12/01/2018 | BSI |
| Knauf UK GmbH | BES583202 | 04/01/2018 | BSI |
| William Hare Ltd | RS0012 | 04/01/2018 | BRE |
| Bourne Construction Engineering Ltd | RS0023 | 14/12/2017 | BRE |
| Marley Eternit Ltd | CPRS00051 | 28/11/2017 | QSRMC |
| Marley Eternit Ltd | CPRS00052 | 27/11/2017 | QSRMC |
| Rackham Housefloors Ltd | CPRS00054 | 15/11/2017 | QSRMC |
| Explore Manufacturing Ltd | RS0009 | 10/11/2017 | BRE |
| Forticrete Ltd | BES567030 | 05/11/2017 | BSI |
| Forticrete Ltd | BES567031 | 05/11/2017 | BSI |
| Hadley Industries Holdings | BES602977 | 01/11/2017 | BSI |
| Hanson Quarry Products Europe Ltd | CPRS00002 | 31/10/2017 | QSRMC |
| Hanson Quarry Products Europe Ltd | CPRS00021 | 31/10/2017 | QSRMC |
| Hanson Cement | CPRS00028 | 31/10/2017 | QSRMC |
| Hanson Cement | CPRS00035 | 31/10/2017 | QSRMC |
| Midland Quarry Products Ltd | CPRS00055 | 31/10/2017 | QSRMC |
| Ibstock Brick Ltd | CPRS00025 | 28/10/2017 | QSRMC |
| Russell Building Products Ltd | CPRS00043 | 21/10/2017 | QSRMC |
| John Parker & Son Ltd | BES668458 | 03/10/2017 | BSI |
| IKO plc | 24703 | 28/09/2017 | Lucideon |
| IKO plc | 24710 | 28/09/2017 | Lucideon |
| IKO plc | 24729 | 28/09/2017 | Lucideon |
| Wienerberger Ltd | 24631 | 28/09/2017 | Lucideon |
| Brett Landscaping & Building Products | CPRS00023 | 22/09/2017 | QSRMC |
| ArcelorMittal Tubular Products Europe S.A. | INTRS0002 | 19/09/2017 | Intertek |
| Wienerberger Ltd | 24656 | 09/09/2017 | Lucideon |
| Polyflor Ltd | RS0022 | 05/09/2017 | BRE |
| Byrne Bros. (Formwork) Ltd | RS0005 | 05/09/2017 | BRE |
| Longcliffe Quarries Ltd | 24676 | 19/08/2017 | Lucideon |
| Knauf Insulation Ltd | RS0050 | 10/08/2017 | BRE |
| F Brazil Reinforcements Ltd | 1510 | 03/07/2017 | CARES |
| Etex Building Performance Ltd | CPRS00027 | 23/06/2017 | QSRMC |
| Quinn Cement Ltd | CPRS00033 | 23/06/2017 | QSRMC |
| Holcim (Romania) S.A. | RS0019 | 20/06/2017 | BRE |
| Holcim (Romania) S.A. | RS0020 | 20/06/2017 | BRE |
| Holcim (Romania) S.A. | RS0021 | 20/06/2017 | BRE |
| S.N.Seixal - Siderurgia Nacional, S.A. | ECR0009 | 19/06/2017 | BRE |
| Celsa Steel (UK) Ltd | RS0006 | 15/06/2017 | BRE |
| Celsa Steel (UK) Ltd (Mill) | ECR0001 | 15/06/2017 | BRE |
| Steel Formed Sections Ltd | RS0049 | 25/05/2017 | BRE |
| CRH Ciment (Romania) S.A. | RS0048 | 16/05/2017 | BRE |
| Midland Steel Reinforcement Supplies | 1476 | 10/05/2017 | CARES |
| Stevin Rock LLC | RS0047 | 08/05/2017 | BRE |
| Ecocem Ireland Ltd | 24685 | 04/05/2017 | Lucideon |
| Techcrete Ltd | RS0013 | 02/05/2017 | BRE |
| AkzoNobel Decorative Paints UK | RS0031 | 24/03/2017 | BRE |
| Tarmac Building Products Ltd | BES567267 | 06/04/2017 | BSI |
| van Merkesteijn bv | 1496 | 27/03/2017 | CARES |
| Parex Ltd | 1494 | 23/03/2017 | CARES |
| Kingspan Insulated Panels | RS0046 | 06/03/2017 | BRE |
| S.N.Maia - Siderurgia Nacional, S.A. | ECR0008 | 03/03/2017 | BRE |
| Smart Systems Ltd | BES668681 | 01/03/2017 | BSI |
| Stocks Bros Ltd | BES665634 | 20/02/2017 | BSI |
| Brazil & Co. (Steel) Ltd. t/a Fairyhouse Steel | 1491 | 20/02/2017 | CARES |
| Objektflor Art und Design Belags GmbH | RS0045 | 16/02/2017 | BRE |
| Polyflor Ltd | RS0044 | 16/02/2017 | BRE |
| Supreme Concrete Ltd | BES651399 | 26/01/2017 | BSI |
| Aggregate Industries UK Ltd | BES668185 | 25/01/2017 | BSI |
| Imerys TC | RS0017 | 21/01/2017 | BRE |
| Ravatherm UK | RS0043 | 13/01/2017 | BRE |
| Hy-Ten Reinforcement Co Ltd | 1477 | 01/01/2017 | CARES |
| Saint Gobain Construction Products CZ a.s. | RS0042 | 12/12/2016 | BRE |
| Hurks prefabbeton b.v. | RS0040 | 14/11/2016 | BRE |
| Parkside Group | RS0041 | 03/11/2016 | BRE |
| Thames Reinforcements | 1474 | 27/10/2016 | CARES |
| ALPA | 1478 | 21/10/2016 | CARES |
| Habas A.S. | 1472 | 21/10/2016 | CARES |
| Midland Steel Reinforcement Supplies | 1475 | 11/10/2016 | CARES |
| Megasa Siderurgica S.L. | 1467 | 11/10/2016 | CARES |
| Bastug Metalurji Sanayi A.S. | 1471 | 20/09/2016 | CARES |
| Conares Metal Supply Ltd | 1470 | 29/09/2016 | CARES |
| Capital Reinforcing Ltd | 1469 | 20/09/2016 | CARES |
| ArcelorMittal Hamburg GmbH | 1468 | 20/09/2016 | CARES |
| ArcelorMittal Zaragoza S.A, | 1466 | 20/09/2016 | CARES |
| Yesilyurt Demir Celik Endustrisi Ve Liman Isletmeleri Ltd | 1465 | 20/09/2016 | CARES |
| ICDAS Celik Enerji Tersane Ve Ulasim Sanayi A.S. | 1462 | 20/09/2016 | CARES |
| Emirates Steel Industries | 1459 | 20/09/2016 | CARES |
| Ekinciler Iron & Steelworks Inc | 1457 | 20/09/2016 | CARES |
| ArcelorMittal Kent Wire Ltd t/a AMCS | 1464 | 14/09/2016 | CARES |
| ArcelorMittal Kent Wire Ltd | 1463 | 13/09/2016 | CARES |
| Kroman Celik Sanayi A.S. | 1461 | 13/09/2016 | CARES |
| Diler Iron & Steel Co Inc | 1460 | 13/09/2016 | CARES |
| S.N.Seixal Siderurgia Nacional S.A. | 1458 | 13/09/2016 | CARES |
| Xtratherm Ltd | RS0039 | 13/09/2016 | BRE |
| Colakoglu Metalurji A.S. | 1454 | 07/09/2016 | CARES |
| Daikin Industries Czech Republic s.r.o. | RS0038 | 01/09/2016 | BRE |
| Kawneer UK Ltd | BES650797 | 16/08/2016 | BSI |
| Yazici Iron & Steel Co Inc | 1452 | 28/07/2016 | CARES |
| S.N.Maia Siderurgia Nacional S.A. | 1455 | 28/07/2016 | CARES |
| Izmir Demir Celik Sanayi A.S. | 1453 | 28/07/2016 | CARES |
| Hanson Quarry Products Europe Ltd | CPRS00001 | 27/06/2016 | QSRMC |
| Qatar Steel Company | 1451 | 20/07/2016 | CARES |
| Kingspan Insulation Ltd | RS0037 | 15/07/2016 | BRE |
| ModernMix Ltd | 24740 | 15/07/2016 | Lucideon |
| British Steel Ltd | BES657751 | 06/07/2016 | BSI |
| Mick George Concrete Ltd | BES651593 | 06/07/2016 | BSI |
| Bison Manufacturing Ltd | RS0036 | 01/07/2016 | BRE |
| Lagan Cement Ltd | CPRS00030 | 30/06/2016 | QSRMC |
| Rockrite Haulage Ltd | BES650688 | 30/06/2016 | BSI |
| Quattro (UK) Ltd | RS0035 | 29/06/2016 | BRE |
| Saint Gobain Construction Products Polska Sp z o.o. | RS0034 | 26/06/2016 | BRE |
| Marley Eternit Ltd | CPRS00048 | 25/05/2016 | QSRMC |
| Marley Eternit Ltd | CPRS00049 | 25/05/2016 | QSRMC |
| Marley Eternit Ltd | CPRS00050 | 25/05/2016 | QSRMC |
| Saint Gobain Construction Products (Ireland) Ltd | RS0033 | 19/05/2016 | BRE |
| Euroclad Ltd | BES637885 | 11/05/2016 | BSI |
| ROM Group Ltd | ECR0004 | 22/04/2016 | BRE |
| Hy-Ten Ltd | ECR0005 | 15/04/2016 | BRE |
| Tata Steel UK Ltd | BES651382 | 05/04/2016 | BSI |
| Daikin Europe B.V. | RS0032 | 04/03/2016 | BRE |
| Hadley Industries Holdings | BES639458 | 17/02/2016 | BSI |
| Michelmersh Brick Holdings PLC | CPRS00047 | 21/12/2015 | QSRMC |
| Techcrete Ltd | RS0013 | 27/10/2015 | BRE |
| Forterra Building Products Ltd | CPRS00010 | 05/10/2015 | QSRMC |
| Forterra Building Products Ltd | CPRS00015 | 05/10/2015 | QSRMC |
| Forterra Building Products Ltd | CPRS00016 | 05/10/2015 | QSRMC |
| Forterra Building Products Ltd | CPRS00017 | 05/10/2015 | QSRMC |
| Forterra Building Products Ltd | CPRS00018 | 05/10/2015 | QSRMC |
| Creagh Concrete Products Ltd | RS0010 | 03/09/2015 | BRE |
| Tarmac | BES557602 | 26/08/2015 | BSI |
| Tarmac | BES559207 | 26/08/2015 | BSI |
| Tarmac | BES568430 | 26/08/2015 | BSI |
| Tarmac Cement & Lime Ltd | BES573008 | 26/08/2015 | BSI |
| Tarmac Cement & Lime Ltd | BES573009 | 26/08/2015 | BSI |
| Tarmac Cement & Lime Ltd | BES609588 | 26/08/2015 | BSI |
| Tarmac Cement & Lime Ltd | BES612751 | 26/08/2015 | BSI |
| Hope Construction Materials Ltd | CPRS00041 | 07/08/2015 | QSRMC |
| Thomas Armstrong (Concrete Blocks) Ltd | CPRS00045 | 31/07/2015 | QSRMC |
| H+H UK Ltd | BES636778 | 23/07/2015 | BSI |
| Tata Steel UK Ltd | BES562396 | 15/07/2015 | BSI |
| Cornish Concrete Products Ltd | CPRS0024 | 29/06/2015 | QSRMC |
| Lafarge Kruszywa i Beton z.o.o. | RS0028 | 24/06/2015 | BRE |
| Lafarge Kruszywa i Beton z.o.o. | RS0027 | 24/06/2015 | BRE |
| Severfield plc | RS0007 | 24/06/2015 | BRE |
| Compania Espanola de Laminacion S.L. | RS0026 | 12/06/2015 | BRE` |
| Hope Construction Materials Ltd | CPRS0040 | 10/06/2015 | QSRMC |
| Hope Construction Materials Ltd | CPRS0039 | 10/06/2015 | QSRMC |
| Celsa Steel (UK) Ltd | RS0006 | 26/05/2015 | BRE |
| Paroc Group Oy | RS0025 | 22/05/2015 | BRE |
| Cemex Rail Solutions | CPRS0044 | 13/05/2015 | QSRMC |
| Polypipe Terrain Ltd | RS0024 | 14/04/2015 | BRE |
First 3 Responsible Sourcing certificates ever issued by BRE
| Company | Certificate | Issue Date | |
| 1 | Aggregate Industries | RS001 | 03/03/2009 |
| 2 | Wienerberger Ltd. | RS002 | 18/08/2009 |
| 3 | H + H UK Ltd. | RS003 | 09/09/2009 |
First 3 Responsible Sourcing certificates ever issued by all licensees
| Company | Certificate | Issue Date | Licensee | |
| 1 | Aggregate Industries | RS0001 | 03/03/2009 | BRE |
| 2 | Wienerberger Ltd. | RS0002 | 18/08/2009 | BRE |
| 3 | H + H UK Ltd. | RS0003 | 09/09/2009 | BRE |
| = | Hanson Quarry Products Europe Ltd. | CPRS00001/00002 | 09/09/2009 | QSRMC |
| Company | Rating | Certificate No. | Status |
| Aggregate Industries UK Ltd. | Excellent | BES668185 | Valid |
| Hope Construction Materials Ltd | Excellent | CPRS0040 | Valid |
| Tarmac | Excellent | BES557602 | Valid |
| Hanson Quarry Products Europe Ltd | Excellent | CPRS00002 | Valid |
| Aggregate Industries UK Ltd. | Very Good | BES563426 | Valid |
| CEMEX UK Materials Ltd. | Very Good | CPRS00009 | Valid |
| Holcim (Romania) S.A. | Very Good | RS0019 | Valid |
| Hanson Cement | Very Good | CPRS00035 | Valid |
| Midland Quarry Products Ltd | Very Good | CPRS00055 | Valid |
| Longcliffe Quarries Ltd | Good | 24676 | Valid |
| Stevin Rock LLC | Good | RS0047 | Valid |
| Creagh Concrete Products Ltd | Pass | RS0010 | Valid |
| Company | Rating | Certificate No. | Status |
| Kawneer | Good | BES650797 | Valid |
| Parkside Group | Good | RS0041 | Valid |
| Metal Technology Ltd | Good | BES675645 | Valid |
| Smart Systems Ltd | Good | BES668681 | Valid |
| Company | Rating | Certificate No. | Status |
| Tarmac | Excellent | BES568430 | Valid |
| Hanson Quarry Products Europe Ltd | Excellent | CPRS00021 | Valid |
| Aggregate Industries UK Ltd. | Very Good | BES563426 | Valid |
| CEMEX UK Materials Ltd. | Very Good | CPRS00012 | Valid |
| Midland Quarry Products Ltd | Very Good | CPRS00055 | Valid |
| IKO plc | Good | 24703 | Valid |
| Breedon Aggregates England Ltd | Pass | BES592591 | Valid |
| United Asphalt Ltd. | Pass | 24696 | Valid |
| Company | Rating | Certificate No. | Status |
| Thomas Armstrong (Concrete Blocks) Ltd | Excellent | CPRS0045 | Valid |
| Stocks Bros Ltd | Excellent | BES665634 | Valid |
| Tarmac Building Products Ltd | Excellent | BES567267 | Valid |
| Aggregate Industries UK Ltd. | Very Good | BES563426 | Valid |
| CEMEX UK Materials Ltd. | Very Good | CPRS00013 | Valid |
| Hanson Building Products | Very Good | CPRS00018 | Valid |
| H+H UK Ltd. | Very Good | BES636778 | Valid |
| Lignacite Ltd. | Very Good | BES580823 | Valid |
| Plasmor Ltd. | Good | BES585086 | Valid |
| Company | Rating | Certificate No. | Status |
| Ibstock Bricks Ltd | Excellent | CPRS00025 | Valid |
| Forterra Building Products Ltd | Very Good | CPRS00015 | Valid |
| Wienerberger Ltd | Good | 24631 | Valid |
| Michelmersh Brick Holdings PLC | Good | CPRS00047 | Valid |
| Company | Rating | Certificate No. | Status |
| Tarmac Cement & Lime Ltd | Excellent | BES573009 | Valid |
| Lagan Cement Ltd | Excellent | CPRS00030 | Valid |
| Irish Cement Ltd | Excellent | CPRS00026 | Valid |
| CEMEX UK Cement Ltd | Very Good | CPRS00008 | Valid |
| Quinn Cement Ltd | Very Good | CPRS00033 | Valid |
| Ecocem Ireland Ltd | Very Good | 24685 | Valid |
| Parex Ltd | Good | 1494 | Valid |
| David Ball Group | Pass | BES608138 | Valid |
| Company | Rating | Certificate No. | Status |
| Tarmac Building Products Ltd | Excellent | BES567267 | Valid |
| Hanson Cement | Excellent | CPRS00028 | Valid |
| Aggregate Industries UK Ltd. | Very Good | BES563426 | Valid |
| Holcim (Romania) S.A. | Very Good | RS0021 | Valid |
| Hope Construction Materials | Very Good | CPRS00039 | Valid |
| Hanson Cement | Very Good | CPRS00035 | Valid |
| CRH Ciment (Romania) S.A. | Very Good | RS0048 | Valid |
| Parex Ltd | Good | 1494 | Valid |
| Breedon Aggregates England Ltd | Pass | BES592591 | Valid |
| Company | Rating | Certificate No. | Status |
| Plasmor Ltd. | Good | BES585087 | Valid |
| Humberside Aggregates Ltd. | Pass | CPRS00037 |
| Company | Rating | Certificate No. | Status |
| CEMEX Rail Solutions | Excellent | CPRS00044 | Valid |
| Russell Building Products Ltd. | Excellent | CPRS00043 | Valid |
| Tarmac | Excellent | BES559207 | Valid |
| Tarmac Building Products Ltd | Excellent | BES567267 | Valid |
| Aggregate Industries UK Ltd. | Very Good | BES563426 | Valid |
| Brett Concrete Ltd. | Very Good | CPRS00022 | Valid |
| CEMEX UK Materials Ltd. | Very Good | CPRS00003 | Valid |
| Cornish Concrete Products Ltd. | Very Good | CPRS00024 | Valid |
| CPI Mortars Ltd. | Very Good | CPRS00038 | Valid |
| Forticrete Ltd. | Very Good | BES567031 | Valid |
| Forterra Building Products Ltd | Very Good | CPRS00010 | Valid |
| Hanson Quarry Products Europe Ltd. | Very Good | CPRS00001 | Valid |
| Holcim (Romania) S.A. | Very Good | RS0020 | Valid |
| Hope Construction Products Ltd | Very Good | CPRS00041 | Valid |
| Marshalls Plc. | Very Good | RS0008 | Valid |
| Techcrete Ltd | Very Good | RS0013 | Valid |
| Explore Manufacturing Ltd. | Very Good | RS0009 | Valid |
| Bison Manufacturing Ltd. | Very Good | RS0036 | Valid |
| Forterra Building Products Ltd | Very Good | CPRS00017 | Valid |
| Tobermore Concrete Products Ltd | Very Good | BES687232 | valid |
| Supreme Concrete Ltd | Good | BES651399 | Valid |
| Byrne Bros. (Formwork) Ltd. | Good | RS0005 | Valid |
| Hurks prefabbeton b.v. | Good | RS0040 | Valid |
| Hope Construction Materials | Good | CPRS00041 | Valid |
| Al Wataniya Concrete LLC | Good | RS0051 | Valid |
| Lafarge Kruszywa i Beton z.o.o. | Good | RS0028 | Valid |
| Lafarge Kruszywa i Beton z.o.o. | Pass | RS0027 | Valid |
| Creagh Concrete Products Ltd | Pass | RS0010 | Valid |
| David Ball Group | Pass | BES608138 | Valid |
| Readymix-Huddersfield | Pass | CPRS00019 | Valid |
| Quattro (UK) Ltd | Pass | RS0035 | Valid |
| Rackham Housefloors Ltd | Pass | CPRS00054 | Valid |
| ModernMix Ltd | Pass | 24740 | Valid |
| Rockrite Haulage Ltd | Pass | BES650688 | Valid |
| Mick George Concrete Ltd | Pass | BES651593 | Valid |
| SC Vitida Mineral SRL | Pass | RS0029 | Valid |
| Company | Rating | Certificate No. | Status |
| Marshalls Plc. | Very Good | RS0008 | Valid |
| Saint-Gobain PAM UK | Very Good | BES600635 | Valid |
| Swish Building Products | Very Good | BES612969 | Valid |
| Swish Building Products | Very Good | BES573495 | Valid |
| Saint-Gobain PAM UK | Good | BES613621 | Valid |
| Polypipe Terrain Ltd | Pass | RS0024 | Valid |
| Company | Rating | Certificate No. | Status |
| Polyflor Ltd | Excellent | RS0022 | Valid |
| CEMEX UK Materials Ltd. | Very Good | CPRS00013 | Valid |
| Objectflor Art Und Design Belags GmbH | Very Good | RS0045 | Valid |
| Polyflor Ltd. | Very Good | RS0044 | Valid |
| Forterra Building Products Ltd | Very Good | CPRS00017 | Valid |
| Creagh Concrete Products Ltd | Pass | RS0010 | Valid |
| Company | Rating | Certificate No. | Status |
| Hanson Cement | Excellent | CPRS00053 | Valid |
| CEMEX UK Cement Ltd. | Very Good | CPRS00011 | Valid |
| Tarmac Cement & Lime Ltd | Good | BES612751 | Valid |
| Company | Rating | Certificate No. | Status |
| Saint-Gobain Glass UK Ltd. | Very Good | BES602330 | Valid |
| Company | Rating | Certificate No. | Status |
| Tarmac Building Products Ltd. | Excellent | BES567267 | Valid |
| Parex Ltd. | Good | 1494 | Valid |
Insulation & Insulation Products
| Company | Rating | Certificate No. | Status |
| Kingspan Insulation Ltd | Excellent | RS0014 | Valid |
| Kingspan Insulation Ltd | Very Good | RS0037 | Valid |
| Kingspan Insulated Panels | Very Good | RS0046 | Valid |
| ISOCAB France | Very Good | INTRS0003 | Valid |
| A.Steadman & Son (a division of SIG Trading Ltd) | Very Good | INTRS0001 | Valid |
| Paroc Group Oy | Good | RS0025 | Valid |
| Ravatherm UK | Good | RS0043 | Valid |
| Knauf Insulation Ltd | Good | RS0050 | Valid |
| Saint Gobain Isover UK | Good | 24576 | Valid |
| Xtratherm Ltd | Pass | RS0039 | Valid |
| Company | Rating | Certificate No. | Status |
| Tarmac Cement & Lime Ltd | Excellent | BES573008 | Valid |
| Company | Rating | Certificate No. | Status |
| British Steel Ltd | Very Good | BES657751 | Valid |
| Company | Rating | Certificate No. | Status |
| Daikin Europe B.V. | Very Good | RS0032 | Valid |
| Daikin Industries Czech Republic s.r.o. | Good | RS0037 | Valid |
| Company | Rating | Certificate No. | Status |
| Tarmac Cement & Lime Ltd | Excellent | BES609588 | Valid |
| Tarmac Building Products Ltd | Excellent | BES567267 | Valid |
| CEMEX UK Materials Ltd. | Very Good | CPRS00029 | Valid |
| CPI Mortars Ltd. | Very Good | CPRS00038 | Valid |
| Parex Ltd. | Good | 1494 | Valid |
| Company | Rating | Certificate No. | Status |
| Akzo Nobel Decorative Paints UK Ltd | Very Good | RS0031 | Valid |
| Company | Rating | Certificate No. | Status |
| Brett Landscaping & Building Products | Excellent | CPRS00023 | Valid |
| CEMEX UK Materials Ltd. | Very Good | CPRS00013 | Valid |
| Forterra Building Products Ltd | Very Good | CPRS00018 | Valid |
| Forterra Building Products Ltd | Very Good | CPRS00015 | Valid |
| Marshalls plc | Very Good | RS0008 | Valid |
| Forterra Building Products Ltd | Very Good | CPRS00016 | Valid |
| Plasmor Ltd | Good | BES585086 | Valid |
| Wienerberger Ltd. | Good | 24631 | Valid |
| Company | Rating | Certificate No. | Status |
| British Gypsum | Excellent | BES613170 | Valid |
| Hadley Industries Holdings Ltd. | Excellent | BES602977 | Valid |
| Knauf UK GmbH | Excellent | BES583202 | Valid |
| Etex Building Performance Ltd. | Very Good | CPRS00027 | Valid |
| Saint Gobain Construction Products (Ireland) Ltd | Very Good | RS0033 | Valid |
| Saint Gobain Construction Products Polska Sp z o.o. | Very Good | RS0034 | Valid |
| Saint Gobain Construction Products CZ a.s. | Good | RS0042 | Valid |
| Company | Rating | Certificate No. | Status |
| Telford Extrusions | Good | BES583816 | Valid |
| Kestrel BCE Ltd. | Good | BES605713 | Valid |
| Company | Rating | Certificate No. | Status |
| Quinn Radiators Limited | Good | BES587883 | Valid |
| Company | Rating | Certificate No. | Status |
| BRC Ltd (Fabricator) | Good | ECR0002 | Valid |
| Express Reinforcements Ltd. (Fabricator) | Good | ECR0003 | Valid |
| Hy-Ten Ltd (Fabricator) Chatham | Good | ECR0007 | Valid |
| Hy-Ten Ltd (Fabricator) Staines | Good | ECR0005 | Valid |
| ROM Group Ltd. (Fabricator) | Good | ECR0004 | Valid |
| Hy-Ten Reinforcement Co Ltd | Pass | 1477 | Valid |
| Midland Steel Reinforcement Supplies | Pass | 1475 | Valid |
| Thames Reinforcements | Pass | 1474 | Valid |
| Capital Reinforcing Ltd | Pass | 1469 | Valid |
| ArcelorMittal Kent Wire Ltd t/a AMCS | Pass | 1464 | Valid |
| F Brazil Reinforcement Ltd | Pass | 1510 | Valid |
| Company | Rating | Certificate No. | Status |
| Celsa Steel UK | Good | RS0006 | Valid |
| Celsa Steel UK (Mill) | Good | ECR0001 | Valid |
| Company | Rating | Certificate No. | Status |
| Russell Building Products Ltd | Excellent | CPRS00043 | Valid |
| Marley Eternit Ltd | Excellent | CPRS00052 | Valid |
| CEMEX UK Materials Ltd | Very Good | CPRS00013 | Valid |
| Forticrete Ltd | Very Good | BES567031 | Valid |
| Marley Eternit Ltd | Very Good | CPRS00048 | Valid |
| Marley Eternit Ltd | Very Good | CPRS00049 | Valid |
| Marley Eternit Ltd | Very Good | CPRS00050 | Valid |
| Marley Eternit Ltd | Very Good | CPRS00051 | Valid |
| Swish Building Products | Very Good | BES573495 | Valid |
| Tata Steel Colours | Very Good | BES562396 | Valid |
| Kingspan Insulated Panels | Very Good | RS0046 | Valid |
| A.Steadman & Son (a division of SIG Trading Ltd) | Very Good | INTRS0001 | Valid |
| Imerys TC | Good | RS0017 | Valid |
| Wienerberger Ltd (Sandtoft) | Good | 24656 | Valid |
| IKO plc | Good | 24729 | Valid |
| IKO plc | Good | 24710 | Valid |
| Company | Rating | Certificate No. | Status |
| Tarmac Building Products Ltd. | Excellent | BES567267 | Valid |
| Company | Rating | Certificate No. | Status |
| Hadley Industries Holdings | Very Good | BES639458 | Valid |
| Metsec Plc. | Very Good | BES582737 | Valid |
| TATA Steel Colours, Colorcoat Products | Very Good | BES562396 | Valid |
| Tata Steel UK Ltd | Very Good | BES651382 | Valid |
| British Steel Ltd | Very Good | BES657551 | Valid |
| William Hare Ltd. | Very Good | RS0012 | Valid |
| Compania Espanola de Laminacion S.L. | Very Good | RS0026 | Valid |
| Qatar Steel Company | Very Good | 1451 | Valid |
| Tata Steel Nederland Technology b.v. | Very Good | BES643794 | Valid |
| Celsa Steel UK (Mill) | Good | ECR0001 | Valid |
| Celsa Steel UK | Good | RS0006 | Valid |
| Severfield plc | Good | RS0007 | Valid |
| Bourne Construction Engineering Ltd. | Good | RS0023 | Valid |
| Byrne Bros. (Formwork) Ltd. | Good | RS0005 | Valid |
| Megasa Siderúrgica | Good | ECR0006 | Valid |
| SN Maia - Siderurgia Nacional, S.A. | Pass | ECR0008 | Valid |
| SN Seixal - Siderurgia Nacional, S.A. | Pass | ECR0009 | Valid |
| ArcelorMittal Long Products - Europe | Good | RS0030 | Valid |
| ArcelorMittal Zaragoza S.A. | Good | 1466 | Valid |
| ArcelorMittal Hamburg GmbH | Good | 1468 | Valid |
| Diler Iron & Steel Co Inc | Good | 1460 | Valid |
| A.Steadman & Son (a division of SIG Trading Ltd) | Very Good | INTRS0001 | Valid |
| ALPA | Pass | 1478 | Valid |
| Habas A.S. | Pass | 1472 | Valid |
| Megasa Siderurgica S.L. | Pass | 1467 | Valid |
| S.N. Maia - Siderurgia Nacional, S.A. | Pass | 1455 | Valid |
| Izmir Demir Celik Sanayi A.S. | Pass | 1453 | Valid |
| Yazici Iron & Steel Co Inc | Pass | 1452 | Valid |
| Colakoglu Metalurji A.S. | Pass | 1454 | Valid |
| Ekinciler Iron & Steelworks Inc | Pass | 1457 | Valid |
| S.N. Seixal - Siderurgia Nacional, S.A. | Pass | 1458 | Valid |
| Emirates Steel Industries | Pass | 1459 | Valid |
| Kroman Celik Sanayi A.S. | Pass | 1461 | Valid |
| ICDAS Celik Enerji Tersane Ve Ulasim Sanayi A.S. | Pass | 1462 | Valid |
| ArcelorMittal Kent Wire Ltd | Pass | 1463 | Valid |
| Yesilyurt Demir Celik Endustrisi Ve Liman Isletmeleri Ltd | Pass | 1465 | Valid |
| Conares Metal Supply Ltd | Pass | 1470 | Valid |
| Bastug Mmetalurji Sanayi A.S. | Pass | 1471 | Valid |
| Brazil & Co. (Steel) Ltd t/a Fairyhouse Steel | Pass | 1491 | Valid |
| Steel Formed Sections Ltd | Pass | RS0049 | Valid |
| ArcelorMittal Tubular Products Europe S.A. | Pass | INTRS0002 | Valid |
| van Merksteijn bv | Pass | 1496 | Valid |
| Midland Steel Reinforcement Supplies | Pass | 1476 | Valid |
| John Parker & Son Ltd | Pass | BES668458 | Valid |
| Company | Rating | Certificate No. | Status |
| Albion Stone Plc. | Very Good | BES608176 | Valid |
| Johnsons Wellfield Quarries | Very Good | CPRS00031 | Valid |
| Marshalls Plc. | Very Good | RS0008 | Valid |
| Company | Rating | Certificate No. | Status |
| Marshalls Plc. | Very Good | RS0008 | Valid |
| Forticrete Ltd. | Very Good | BES567031 | Valid |
| Kingspan Insulated Panels | Very Good | RS0046 | Valid |
| Techcrete Ltd | Very Good | RS0013 | Valid |
| A.Steadman & Son (a division of SIG Trading Ltd) | Very Good | INTRS0001 | Valid |
| Forticrete Ltd. | Good | BES567030 | Valid |
| Parex Ltd. | Good | 1494 | Valid |
| Eurobond Laminates Ltd | Good | BES601040 | Valid |
| Euroclad Ltd | Good | BES637885 | Valid |
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