Companies who have signed up to the PPC since 22nd May 2023 include: ThinkMusic Limited, Sde Contracts Limited, Jet Aire DC Limited, Southern Gas Networks Plc, Scotland Gas Networks Plc, Allan Webb Limited, Military Compliance Services Limited, Ecolog International UK Limited, Birdstrike Management Ltd, Tender Answers Ltd, Mesters Construction Ltd, Real-Time Consultants Ltd trading as RT Consulting, Worldwide Go Ltd, Fineva Construction Ltd, Line Side Construction Ltd, Alliance of independent Agencies Limited, Walters & Sons Electrical Contractors Ltd, Aviaire Limited, Mouldex Ltd, Omega Asbestos Consulting Ltd, Cass Hayward LLP, Miller Hughes Construction Limited