| Adam Wilson & Sons Ltd |
| Adey Professional Heating Solutions |
| TTI UK |
| Aggregate Industries |
| Aggregate Industries UK - Bradstone Garden Products |
| Aggregate Industries UK Ltd t/a Charcon |
| Aggregate Industries UK Ltd t/a Masterblock |
| AKZ Ltd |
| AKZO Nobel (ICI Paints) |
| Aldridge Security Ltd |
| Alpha Therm Limited |
| Altecnic Ltd |
| Altripan UK Ltd |
| Alumasc Exterior Building Products Ltd |
| Alumasc Interior Building Products (Pendock) |
| Ancon Building Products |
| Aqata Ltd. |
| Aqualisa Ltd |
| Arbor Forest Products Ltd |
| Arch Timber Protection - Lonza |
| Armacell UK Ltd |
| Artex Ltd |
| ASSA Abloy |
| Atkinson & Kirby Ltd |
| Backer Electric Co Ltd |
| SNA Europe Uk |
| Bartoline |
| Barwick Bathroom Distribution LLP |
| Barwood Products Ltd |
| Baxi Heating UK.Ltd. |
| Belle Group Ltd |
| Birchwood Products Ltd |
| Birtley Building Products Ltd |
| Robert Bosch Ltd |
| Bosch Domestic Appliances |
| Bostik Ltd |
| Brett Landscaping & Building Products |
| Brian Hyde |
| Bristan Ltd |
| British Gypsum Ltd |
| Britton Merli Limited |
| Broag Remeha Ltd |
| Brooks Brothers ( UK ) LTD |
| BCGXL |
| BSW Sawmills Ltd |
| Calder Industrial Materials Ltd |
| Calmag Ltd |
| Capatex |
| Capital Valley Plastics |
| Carlisle Brass |
| Carrara & Matta |
| Castacrete Ltd |
| TaTa Steel UK Ltd |
| Cavity Trays Ltd |
| CDA Group Ltd |
| Cellecta Ltd |
| Cembrit Ltd |
| John Rodgers |
| Cemex Concrete Products (UK) LTD |
| Cemex Packed Products Ltd |
| Cemex Roof Tiles |
| Centurion Europe Ltd |
| CME Sanitary Systems Ltd |
| CMS Tools Ltd |
| Westco Ltd |
| Continental Wood Products |
| Coo Var Ltd |
| Cooper Callas Ltd |
| CPM Group Ltd |
| Crosswater Ltd. |
| Crown Paints Ltd |
| Crown Timber Ltd |
| Croydex Group Plc |
| Cullen Building Products Ltd |
| Dacatie Building Solutions |
| Dale Hardware Ltd |
| Davant Products Ltd |
| Dewalt Power Tools |
| Earrai Coilte Chonnacht Teoranta |
| Ecotherm Insulations Ltd |
| Egger (UK) Ltd |
| Embrass Peerless |
| Eurolite Decorative Brass Ltd |
| Eurospec Architectural Hardware |
| Everbuild Building Products |
| F&P Wholesale |
| Faulks & Company Ltd |
| Ferroli Ltd |
| Fillcrete Ltd |
| Finnforest Sawn & Cabins |
| Metsalitto Cooperative |
| Finnforest UK Ltd |
| Finnforest UK Ltd Machined & Sheets |
| Fischer Fixings UK |
| Flambeau Europlast Ltd |
| Fleximas |
| Flexseal Couplings Ltd |
| Forest Garden Plc |
| Hanson Formpave |
| Franke Sissons Ltd |
| Frontline Bathrooms Ltd. |
| Garador Ltd |
| Geberit Sales Ltd |
| Geocel Ltd |
| Gledhill Building Products |
| Glidevale Ltd |
| Glow-worm |
| Graeme Holburn & Co |
| Grant Engineering (UK) Ltd |
| M Greenaway and Son Ltd |
| H&V Controls Ltd. |
| H+H Celcon Ltd |
| Haemmerlin Ltd |
| Hanson Building Products (Blocks) |
| Hanson Building Products (Bricks) |
| Hanson Building Products (Thermalite) |
| Hargreaves Foundry Drainage Ltd |
| Harrison & Clough Limited |
| Heaps Arnold and Heaps Ltd |
| P.C.Henderson Ltd |
| Henkel Consumer Adhesives Ltd |
| Hepworth Building Products Ltd |
| Hepworth Plumbing Products |
| Heritage Bathrooms |
| HiB Ltd |
| Honeywell Control Systems Ltd |
| Hoppe (UK) Ltd |
| Hush (UK) Limited |
| Hyco Manufacturing Ltd |
| I.G. Lintels Ltd |
| Ibstock Brick Ltd |
| Icopal |
| Clive Durose Woodturners Ltd |
| Ideal Bathrooms |
| Ideal Standard Group |
| IKO Plc |
| Impey UK |
| Independent Inspections Ltd |
| Indesit Company UK Limited |
| Ingersoll Rand Security Technologies |
| Intatec |
| International Plywood (Importers) Ltd |
| Irwin Industrial Tools Ltd |
| Saint Gobain Isover |
| ITW Construction Products |
| James Jones & Sons Limited |
| Jamestown Metals Limited |
| Jeldwen (UK) Ltd - Doors |
| Jeldwen (UK) Ltd - Staircases |
| Jeldwen (UK) Ltd - Windows |
| John Brash & Co Ltd |
| John C Wilkins Acoustic Supplies Ltd |
| John George & Sons Ltd |
| John Guest Speedfit |
| Juha.co.uk |
| Kenton Floors |
| KA Building Products |
| Keylite Roof Windows |
| KINGSPAN INSULATION LIMITED |
| Kingspan Environmental (2) |
| Kingspan Environmental (3) |
| Kingspan Hot Water Systems Ltd |
| Klargester Environmental (Kingspan) |
| KME Yorkshire Ltd |
| Gloucester Composites Limited |
| Knauf Insulation Ltd |
| Kohler Daryl |
| Kohler Mira Ltd |
| L.G.Harris & Co Ltd |
| Lafarge Plasterboard Ltd |
| Lammers & Van Cleeff (UK) Ltd |
| Lawton Tube Co Ltd |
| LC Packaging |
| Leaf Business UK Ltd |
| Leeds Plywood & Doors Ltd |
| Lettergold Water Treatment Solutions LLP |
| Liberon Ltd |
| Lister Locks Ltd |
| M. Marcus Ltd |
| Makita (UK) Ltd |
| Manhattan Showers Ltd |
| Marley Eternit Ltd |
| Univar Specialty Consumables (Marnic Plc) |
| Marshalls Plc |
| McArthur Group Ltd |
| F P McCann Ltd |
| Medite Europe Ltd |
| Melcourt Industries Ltd |
| Methven UK Ltd |
| Meyer Timber Limited |
| Midland Building Products |
| Midland Steel Reinforcement Supplies GB Ltd |
| Mitras Composites UK Ltd |
| MMF Group Ltd |
| Monier Ltd |
| Monument Tools |
| Mueller Europe Ltd |
| Mueller Primaflow |
| MWT (Merchants Wholesale Trade) |
| Navigator MSL Ltd |
| NEFF |
| Neill Tools Ltd |
| Newtech Hardware Ltd |
| Novadec |
| Novia Ltd |
| Officeteam Ltd |
| Olympic Supply Company Ltd |
| Omega PLC |
| Oso Hotwater (UK) Ltd |
| Owlett - Jaton Ltd |
| OX Group UK |
| Palmer Timber Ltd |
| Pavestone UK Ltd |
| PD Edenhall Ltd |
| Pegler Yorkshire |
| Hardwood Dimensions (Holdings) Ltd |
| A. Perry & Co (Hinges) Ltd |
| Philmac UK |
| Plasmor Ltd |
| Polypipe Building Products Limited |
| Polypipe TDI (UK) Ltd |
| Polypipe Ventilation Ltd |
| Polyplastics Centre Ltd |
| Polytank Group Ltd |
| PPG Architectural Coatings UK Ltd |
| Premdor Ltd |
| Premier Forest Products Ltd |
| Premier Trade Frames |
| Protim Solignum Ltd |
| Pura Bathrooms Limited |
| Q A Products |
| Quality Storage Solutions Ltd |
| Quinn Radiators Ltd |
| Rangemaster Leisure |
| Red Bank Manufacturing Co Ltd |
| Richard Burbidge Ltd |
| Ridgeons Forest Products |
| Rixonway Kitchens Ltd |
| RKL Plywood ( Trading division of F.G.Hawkes (Western ) Ltd |
| RM Solar Ltd |
| Robert Lee Distribution Ltd. |
| Roca Ltd |
| Rockwool Insulation Ltd |
| Rodo Group |
| Rom Ltd |
| Roman Ltd |
| Ronseal Ltd |
| Roper Rhodes |
| Rothenberger (UK) Ltd |
| Roundtower Lime |
| Russell Building Products Ltd |
| Rustins Ltd |
| S.I.G. Roofing Supplies Group Ltd |
| Safety & Electrical Products Ltd |
| Salamander Pumped Shower Systems Ltd |
| Salus Controls plc |
| Saniflo Ltd |
| Sauermann UK Limited |
| SCA TIMBER SUPPLY LIMITED |
| Scalemaster |
| Eden Renewable Innovations Ltd |
| Sentinel Performance Solutions Ltd |
| Shires Bathrooms |
| Showerlux UK Ltd |
| SIG Insulations |
| Sigma 3 (Kitchens) Ltd |
| Simpsons Strongtie Ltd |
| Smartply Europe Ltd |
| Spax UK Ltd |
| Specflue Ltd |
| Unilin Distribution |
| Springvale EPS Ltd |
| Stadium Building Products Ltd |
| Stanley Europe |
| Stearn Electric Co Ltd |
| Sterling Hardware |
| Sterling Safetyware Ltd |
| Stonemarket Ltd |
| Stowell Concrete Ltd |
| Stressline Ltd |
| Superglass Insulation |
| Supreme Concrete Ltd |
| Symphony |
| Tapworks |
| Tarmac Building Products Ltd (Topbloc) |
| Tarmac Building Products Ltd (Trupak) |
| TAYLOR MAXWELL TIMBER LTD |
| TB Davies (Cardiff) Ltd |
| Ted Todd |
| Telford Copper Cylinders Ltd |
| Tembe DIY Ltd |
| The Millboard Company |
| UK Heating Group Limited |
| Thermtec Ltd |
| Thomas Dudley Ltd |
| Timber Connection Ltd |
| Timbmet Ltd |
| Titan Ladders Ltd |
| Toms Test Supplier |
| Toolbank Group |
| Tools Of The Trade Ltd |
| Trackwork |
| Trend Machinery & Cutting Tools Ltd |
| Triton PLC |
| Twyfords Bathrooms |
| UCM Timber PLC |
| UPM-Kymmene |
| Uponor Limited |
| Uponor Ltd |
| Utopia Furniture Ltd. |
| V-Tech Footwear |
| VADO EUROBATH INTERNATIONAL LTD |
| Vaillant Ltd |
| Velux Company Ltd |
| Vicaima (UK) Ltd |
| Vida Wood UK Ltd |
| BPI Recycled Products / Visqueen Building Products Ltd |
| Vogue UK Ltd |
| W Howard |
| The Walsall Wheelbarrow Co Ltd |
| Waterline Ltd |
| Wavin Ltd |
| Web Dynamics Ltd |
| Whitmore's Timber Co. Ltd. |
| Wienerberger Ltd |
| Williamson-Dickie Europe Ltd |
| Woodbridge Timber |
| Bosch Thermotechnology UK Ltd |
| WPL Limited |
| Wrekin Welding & Fabrication Engineering Ltd |
| XL Joinery Limited |
| Xtratherm UK Ltd |
