Buyer: N H S Shared Business ServicesSupplier: Ameresco Limited; Ashe Construction Ltd; Asset Plus Energy Performance Limited; Axis Europe plc; CBES Ltd; CHAP Group Aberdeen Ltd; CLC Contractors Limited; Carbon3; Dalkia Energy Services Ltd; Equans Regeneration Limited; Etec Contract Services Ltd; FES Support Services Ltd; GRAHAM Asset Management Limited T A GRAHAM; Irwin M and E Limited; Kier Construction Ltd; Lorne Stewart PLC; MTX Contracts Ltd; McAndrew Martin Limited; Mulalley and Company Limited; Oakes Energy Services; Opus Building Services Ltd; Quinn London Limited; R and M Williams Holdings Ltd; RG Carter Cambridge Ltd; SEE Services Limited; Saltash Enterprises Ltd; Seddon Construction Limited; Sewell Construction Limited; Speller Metcalfe Malvern Ltd; Stepnell Limited; Synergize Ltd; United Living South Limited; VINCI Construction UK Limited; Veolia Energy and Utility Services UK Limited; Vital Energi Utilities Limited; Willmott Dixon Limited