Wessex Water

Harlow Council

LHC

London North West Healthcare NHS Trust

South West Ambulance Service NHS Foundation Trust

Vinci Facilities

Inquilab Housing Association

Essex County Council

Nottingham Community Housing Association

Bath and North East Somerset Council

BAM Construction

Gleeds UK

Brown and Mason

Chesterfield Borough Council

Mulalley and Company Ltd

Mace Group

St George

St. Lewis Design

Efficiency East Midlands

Westworks Procurement Limited

South Hunsley School and Sixth Form College

Kent County Council

Gloucestershire County Council

Vopak

Liverpool Mutual Homes

NHS

Barnet Homes