Brick/Concrete/Steel Products
H+H UK Limited
Hanson Building Products
Ibstock Brick Limited

Builders/Contractors/Consultants
Apollo Property Services Group Limited
Baggaley & Jenkins Limited
Balfour Beatty Construction
BMH Construction Company (Clifton) Limited
Bullock Construction Limited
Calfordseaden

Connaught Environmental Limited
Connaught Partnerships Limited
EC Harris LLP

Enterprise plc
EPS plc
Geoffrey Osborne Limited
GB Building Solutions Limited
GF Tomlinson Birmingham Limited
Haymills (Contractors) Limited
Herbert T Forrest Limited
Integral UK Limited
Keepmoat

Kier Building Maintenance Limited
Kier Regional Limited

Kier Sheffield LLP
Leadbitter Construction Limited

Lengard Limited
Lovell Partnership Limited

Mansell Partnership Homes
Mansell plc
Mitie Property Services (UK) Limited
Mi-space (UK) Limited
Osborne Property Services
P Casey & Company Limited
PML Group
Propencity Group
Rok property solutions plc
Rydon Construction Limited

VINCI Facilities Services - Crispin & Borst Ltd
Wates Construction Limited

Willmott Dixon Support Services

Doors/Windows/Associated Products
Anglian Building Products
Avocet Hardware Limited
IG Doors Limited
LB Plastics Limited

LSSD UK Limited

Mila Maintenance & Projects Services

NorDan UK Limited
Norfolk Frames Limited
Permadoor Limited
Plastal
Profile 22 Systems
Radway Doors & Windows Limited
Scott & Hercock Limited
Securistyle Limited
Synseal
Titon
WHS Halo
Winkhaus UK Limited
Wrekin Windows

Builders Merchants
Travis Perkins Trading Company Limited
Wolseley UK

Energy Related
British Gas
Energy Saving Trust

Heating
Atlantic UK Limited
Baxi Potterton
BGC Gas Servicing Limited
Bosch Thermotechnology Limited
Ferroli Limited
Ideal Boilers
Hepworth Heating Ltd - Glow Worm

Katell Limited
Smiths Environmental Products Limited
Vaillant Group UK Limited

Ventilation
Aereco Ventilation Limited

Applied Energy Products Limited
Aralco Natural Ventilation Systems
Daikin Airconditioning UK Limited
Envirovent Limited
Greenwood Air Management Limited

Itho Ventilation Limited
Nuaire Limited
Vectaire Limited
Vent-Axia Limited

Insulation/Cladding
Excel Industries Limited
Kingspan Insulation
Knauf Insulation UK

Mark Group Limited
Rockwool Limited
Vencel Resil Limited

Kitchen/Bathroom Products
AKW Medi-Care Limited

Grohe Limited

Hansgrohe Limited
Howdens Joinery Co
Magnet Limited
Moores Furniture Group

Pegler Limited
Richmond Cabinet Company Limited
Rixonway Kitchens Limited
The Symphony Group plc

Roofs/Roofline/Canopies
Bauder Limited

Eurocell Building Plastics Limited
Monier Limited (Lafarge Roofing)
Sandtoft Roof Tiles Limited

Springvale EPS Limited
Swish Building Products (SBP Limited)

Timber Floors/Frames etc.
Robertson Timberkit Limited
Stewart Milne Timber Systems

Software & I.T. Solutions
Aareon UK Limited
Northgate Information Solutions Limited

Fire/Safety
Kidde Fyrnetics

Miscellaneous
Axminster Power Tool Centre Limited

Balco Balcony Systems Limited

Crown Paints Limited

Fusion21 Limited

ICI Paints
Lafarge Plasterboard Limited
The Places For People Group
Weber Building Solutions