Companies who have signed up to the PPC since 10th June 2024 include: BSRIA Limited, Energiesprong UK Limited, Libtek Heating and Renewables, Bentley Project Management (UK) Ltd, Arc Group London Limited, Winning Business UK Ltd, Allied Medical Group LTD, Every Friday Limited, Wall-Lag (Wales) Ltd, GD Construction (St Albans) Ltd, Abound Design & Interpretation Ltd, Henderson Biomedical Ltd, Security & Surveillance Ltd, Northern Diver (International) Limited, Adana Construction Ltd, IDOM (UK) LTD, Eric Group Ltd