Buyer: N H S Shared Business ServicesSupplier: 1A (1ST ALLIANCE) SERVICES LIMITED; ALLIANCE EVENTS LIMITED; ASEL Integrated Security Solutions Ltd; Ajar-Tec Ltd; Alliance Security Limited; Alpha-Omega Securities Limited; Assist Security Ltd; Blayde Security Ltd; Bold Security Group (UK) Limited; Buro Happold Limited; CDS Security Ltd; Capricorn Media Protection Ltd; Carlisle Security Services Ltd; Chase Services Group Ltd; Chubb Fire and Security Limited; ClearView Communications Ltd; Consultive Solutions Limited; CornerStone GRG Limited; Custom Technology Solutions Limited; Cutlass Group Ltd; DFP Services; Direct Security Limited; Effective Security Ltd ta Professional Security Ltd; First Response Group Ltd; Fort Nox Services LTD; Galliford Try; Grantfen Fire & Security Ltd; Horus Security Consultancy Limited; Kingdom Services Group Limited; Kings Security Systems Ltd T/A Kings Secure Technologies Ltd; Lazerbeam Fire and Security LTD; Leading Management Services Ltd; LifeForce Security Limited; Lingwood Security Management Ltd; Mango-5 Maintenance Limited; Marlowe Fire and Security Limited; Marvellous Security Services Ltd; Mitie Limited; Motorola Solutions UK Ltd; OCS Group UK Limited; ORO Security Ltd; Openview Security Solutions Limited; Reflex Systems Limited; Reliance High-Tech Limited; SGC Holdings Ltd TA SGC Security Services; SGW Safety & Security Limited; SNSG Limited; SSG Support Services Group LTD; STM Group (UK) Ltd; Samson Security Limited; Scutum Group UK Ltd; SecuriGroup Ltd; TMA Security Services Ltd; The Keyholding Company; The Stambridge Group Limited; Trinity Fire & Security Systems Ltd; Universal Systems Solutions (Security) Ltd; Vigilant Protect UK Limited trading as Vigilant Security; Vindex Systems Ltd; ZAM FM Ltd