Titulaires: QUESTGATES LIMITED · BRAND ENERGY & INFRASTRUCTURE SERVICES UK, LTD. · ANGLIA CATHODIC PROTECTION SERVICES LIMITED · HCR LEGAL LLP · PHS HOME SOLUTIONS LIMITED · 1SPATIAL GROUP LIMITED · 1ST CHOICE TRAFFIC MANAGEMENT LIMITED · 2 RENT UK LIMITED · 24/7 POWER SOLUTIONS LIMITED · 2I LIMITED · 2JCP LIMITED · 3D WEB TECHNOLOGIES LTD · 3M UNITED KINGDOM PUBLIC LIMITED COMPANY · 3T TRAINING SERVICES LIMITED · 4-RAIL Services Limited · 4-SITE POWER & FIBRE NETWORKS LTD · 4RECYCLING LTD · 6 Alpha Associates ltd · AB PIPELINES LIMITED · A BETTER SERVICE LTD · A COOLE ELECTRICAL LIMITED · A E YATES LIMITED · A F HOWLAND ASSOCIATES LIMITED · A I & Z A GRANT LTD · A N WALLIS & COMPANY LIMITED · A.Hak Groep B.V. · A. I. G. ENGINEERING LIMITED · A & M DEFENCE & MARINE SERVICES LIMITED · A & M GENERATORS LIMITED · A & S INTERNATIONAL LIMITED · A1 WOKINGHAM WET WASTE LIMITED · AAT WIND ENERGY LIMITED · ABACUS SHUTTERS LTD · Abastra Environmental Ltd · ABB LIMITED · ABBEY INDUSTRIAL SOLUTIONS LTD · ABCO DIVERS LIMITED · ABEL ALARM COMPANY LIMITED · Abjayon Inc. · ABLE INSTRUMENTS AND CONTROLS LIMITED · ABP MARINE ENVIRONMENTAL RESEARCH LIMITED · ABRIOX LIMITED · ABS COMMERCIAL SOLUTIONS LIMITED · ABTECH LIMITED · ACASTER SAFETY MANAGEMENT LIMITED · ACCENT MARKETING AND RESEARCH LIMITED · ACCENTURE (UK) LIMITED · ACCESS ALL AREAS (ROPE ACCESS) LTD · ACCESS DIRECT SITE SERVICES LIMITED · Access Solutions Scaffolding Ltd · ACEDA LIMITED · ACTAVO (P.D.C.) LIMITED · COUGAR AUTOMATION LIMITED · ACTIVE FLOW CONTROLS LIMITED · ACTIVE TRAINING TEAM LTD · UK TEST INSTRUMENTS LIMITED · ADARE SEC LIMITED · RSK ADAS LIMITED · ADDICOTT ELECTRICS LIMITED · ADDISON ENGINEERING COMPANY (HILLHOUSE) LIMITED · ADDISON PROJECT PLC · ADECCO UK LIMITED · ADEPT MANAGEMENT LIMITED · ADEPT NDT & WELD INSPECTION LTD · ADEPT SECURITY SYSTEMS LIMITED · ADIEN LIMITED · ADRIAN SALT AND PANG LIMITED · ADS GROUNDWORKS LTD · ADVANCED INFRASTRUCTURE SYSTEMS LIMITED · ADVANCED ENGINEERING SOLUTIONS LIMITED · ADVANCED INFRASTRUCTURE TECHNOLOGY LTD · ADVANCED POWER SERVICES LIMITED · ADVANCED PROCESS LIMITED · ADVANCED RESOURCE MANAGERS IT LIMITED · ADVANCED WATER TECHNOLOGIES LIMITED · ADVANTAGE NRG LTD · ADVANTIS CREDIT LIMITED · AEG POWER SOLUTIONS LTD. · AEGE ENERGY (UK) LTD · AERIS PROJECTS LTD · AESSEAL PLC · AFFRIC LIMITED · AFINITI CONSULTANTS LLP · AGD POWER CONSULTANTS LIMITED · AGGREKO UK LIMITED · AGILE SOLUTIONS (GB) LTD · AGILIA INFRASTRUCTURE PARTNERS LIMITED · AGRIFOREST LIMITED · A.H.U.S. TRENCHLESS SOLUTIONS LIMITED · AIIMI LIMITED · AINSWORTH CIVILS & ENGINEERING LIMITED · AIR END REPAIR LIMITED · Air Liquide UK Limited · AIR PRODUCTS PUBLIC LIMITED COMPANY · AIR TECHNOLOGY LIMITED · AIR TECHNOLOGY SYSTEMS LIMITED · AIR-WATER TREATMENTS LIMITED · AIRD WALKER & RALSTON LIMITED · AIRPELAGO LTD · ACTIVE INTEGRATED SYSTEMS LIMITED · AIS VANGUARD LIMITED · AJW WEED CONTROL LIMITED · AKER SOLUTIONS LIMITED · AKER SYSTEMS LIMITED · GOW GROUNDWORKS LTD · ALAN WOOD PARTNERSHIP LIMITED · ALANDALE LOGISTICS LIMITED · ALANDALE PLANT & SCAFFOLDING LIMITED · ALBA PLANNING CONSULTANTS LIMITED · ALCONEX INFRASTRUCTURE AND SOLUTIONS LIMITED · ALDERCOTE LIMITED · ALEX BUTTER LANDSCAPING LIMITED · ALEXANDER JAMES CONTRACTS LIMITED · ALFRED BAGNALL & SONS (NORTH) LIMITED · ALISTAIR BURROUGHS DESIGN PARTNERSHIP LIMITED · ALL-IN VAC'S LTD · ALLAN JONES CONSTRUCTION LIMITED · ALLEN WATSON LIMITED · ALLEN WELDING LIMITED · ALLGAS 1 LIMITED · ALLIED CONDUCTORS LIMITED · ALLIED INSULATORS LIMITED · ALLIED INTERNATIONAL UK LTD. · ALLSAVED LIMITED · ALLSTAR BUSINESS SOLUTIONS LIMITED · Alltask Ltd · ALPHA CONSTRUCTION LIMITED · ALPHA ELECTRONICS (SOUTHERN) LIMITED · ALPHA FIRE ALARMS LIMITED · ALPHA INTEGRATED SYSTEMS LIMITED · ALPHABET (GB) LIMITED · A L S CIVIL ENGINEERS LTD. · ALSEMIA ENGINEERING LTD · ALSICO LAUCUBA LTD · ALTER LANDSCAPES LIMITED · ALTONLORD LIMITED · ALTRAD SERVICES LIMITED · AMALGAMATED CONSTRUCTION LTD · AMELIO UTILITIES LIMITED · AMENTUM ENTERPRISE ASSET SOLUTIONS LIMITED · AMEON UTILITIES LIMITED · AMEY OW LIMITED · Amo kraftkabel AB · AMP (GB) LIMITED · AMS NO-DIG LIMITED · AMULET (CHURCHILL SECURITY SOLUTIONS) LIMITED · ANCHOR SYSTEMS (INTERNATIONAL) LIMITED · ANDEL LIMITED · ANDIDRAIN LIMITED · ANDREW DESIGN & INTEGRATION UK LTD · ANDREW HUGHES UTILITY SERVICES LTD · ANDREW SCOTT LTD. · ANDREWS SYKES GROUP PLC · ANDRITZ LIMITED · ANGUS MACKAY & SONS LTD · ANT TELECOMMUNICATIONS LIMITED · ANTI-FRICTION COMPONENTS LIMITED · APAVE UK LTD · A.P.B. GROUP LIMITED · APEM LIMITED · APEX ENGINEERING SERVICES LIMITED · APOLLO ENGINEERING CONSULTANTS LIMITED · APPLEBRIDGE CONSTRUCTION LIMITED · APPLICA RESOURCING LIMITED · APPLIED IONICS LIMITED · Applied Power Engineering Limited · APPLUS UK LTD · APPS (UK) LIMITED · APS TECHNOCRATS UK LIMITED T/A APSTECHS UK LTD · AQT GLOBAL LTD · AQUALOGIC (WC) LTD · AQUAMAINTAIN LTD · AIL RESOURCES LIMITED · AQUATERRA ENERGY LIMITED · AQUATIC CONTROL ENGINEERING LIMITED · AQUATREAT ENVIRONMENTAL PRODUCTS LTD · A R DEMOLITION LIMITED · Aramark Limited · ARBOR DIVISION LTD · ARC (EUROPE) LIMITED · ARCADIS GEN UK LIMITED · ARCANUM INFORMATION SECURITY LIMITED · ARCH HENDERSON LIMITED LIABILITY PARTNERSHIP · ARCO LIMITED · ARDENT MANAGEMENT LIMITED · ARGON ENGINEERING (AIRDRIE) LIMITED · ARGUS SERVICES LTD · ARKANCE UK LIMITED · Arkion Solutions AB · AGRICULTURAL REQUISITES AND MECHANIZATIONS LIMITED · ARM PIPETEK LTD · ARM SECURE TECHNOLOGY LTD · ARMAH SWITCHGEAR LIMITED · ARMTEC ENGINEERING LTD · ARQIVA LIMITED · ARRAN PIPELINE SUPPLIES LIMITED · BOOK-O-TEL LIMITED · ARTESIA CONSULTING LIMITED · ARTHIAN LTD · ARTHUR CIVIL ENGINEERING LIMITED · LANES GROUP LIMITED · QUICK TRAFFIC MANAGEMENT LTD · T D C (ABERDEEN) LIMITED · SWAN ANALYTICAL UK LIMITED · HYDROLINE SOLUTIONS LIMITED · AMT-SYBEX LIMITED · idverde Limited · Moorhouse Consulting Limited · STORY CONTRACTING LIMITED · PANKS ENGINEERS LTD. · AECOM LIMITED · MJPATCH ENGINEERING LIMITED · NICOL OF SKENE LIMITED · VYSIION LIMITED · M.W. WASTE DRAINAGE SUPPORT SERVICES LIMITED · ASPIRE TECHNOLOGY SOLUTIONS LTD · WYE VALLEY DEMOLITION LIMITED · HYDRAINER PUMP HIRE LIMITED · Ensto Renley Limited · BIRCH UTILITY SERVICES LIMITED · COTSWOLD ARCHAEOLOGY LIMITED · CDW LIMITED · CAPGEMINI UK PLC · GLANVILLE CLEANSING LIMITED · BLUEWATER BIO LIMITED · TREDION GROUP LIMITED · YESSS (A) ELECTRICAL LTD · DALROD (UK) LIMITED · REACH ACTIVE LIMITED · ENVIRONTEC LIMITED · BREHENY CIVIL ENGINEERING LIMITED · RIVERSIDE AUTOMATION LIMITED · PRIMA UNO LIMITED · SMARTER GRID SOLUTIONS LIMITED · Tone Scaffolding Services Limited · ARCADIS CONSULTING (UK) LIMITED · MAINPORT TRAINING (WALES) LIMITED · SOMERFORD ASSOCIATES LIMITED · Kuvag GmbH & Co KG · COHESIVE UK GROUP LIMITED · SOPRA STERIA LIMITED · CLARUS NETWORKS LIMITED · TALENTHAWK LIMITED · STANTEC UK LIMITED · CIRCET (UK) LIMITED · SIGMA CONNECTED LTD · HEALTH PARTNERS GROUP LIMITED · ACHILLES INFORMATION LIMITED · ARCADIS (UK) LIMITED · FISHER GERMAN LLP · SAUER COMPRESSORS UK LIMITED · ICSS LTD · PIPE SYSTEMS LIMITED · Atlantic Geomatics (UK) Ltd · CBEC ECO ENGINEERING UK LIMITED · JACKSON CIVIL ENGINEERING GROUP LIMITED · BELRON UK LIMITED · CLAREMONT OFFICE FURNITURE LIMITED · GEOTECHNICAL CONSULTING GROUP LLP · ARNOLD CLARK FINANCE LIMITED. · RULLION LIMITED · WINN & COALES (DENSO) LIMITED · SUEZ ADVANCED SOLUTIONS UK LIMITED · WALKER MORRIS LLP · AINSCOUGH CRANE HIRE LTD · MAINLINE (1982) LIMITED · EMBEDDED MONITORING SYSTEMS LIMITED · QUANTUM ENGINEERING DEVELOPMENTS LIMITED · HAWKER SIDDELEY SWITCHGEAR LIMITED · JOURNEY4 LIMITED · AVOIRA LIMITED · WIREMEK LIMITED · ALLIED EXPLORATION & GEOTECHNICS LIMITED · BIRKETTS LLP · FUJITSU SERVICES LIMITED · BIGGAR ECONOMICS LIMITED · LARKINS ENVIRONMENTAL SERVICES LIMITED · LOWTHER FORESTRY GROUP LIMITED · WALKER CONSTRUCTION (U.K.) LIMITED · HUMBER EC&I LIMITED · RENTAJET GROUP LIMITED · SECURITY SOLUTIONS (NORTHERN) LTD · TRIDENT GROUP SOLUTIONS LIMITED · MESH AI LIMITED · CROWDER & CO LIMITED · C. SPRATT MULTIUTILITY LTD · CommTel Network Solution · AQUAFORCE PLUMBING SOLUTIONS LTD · AHR ARCHITECTS LIMITED · LISTER WILDER LIMITED · SELWOOD LTD · ARCADIS LLP · BIFFA WASTE SERVICES LIMITED · ADDLESHAW GODDARD LLP · FUGRO GB LIMITED · AVMI KINLY LTD · HAYS SPECIALIST RECRUITMENT LIMITED · TERRADAT (UK) LIMITED · LONGWORTH LTD · RESYS ENGINEERING SERVICES LTD · M.J. REES AND COMPANY LIMITED · AURA BRAND SOLUTIONS LIMITED · ONSITE CENTRAL LIMITED · JACOBS U.K. LIMITED · ELECTRICAL AUDIT REPAIR TEST & HIRE COMPANY LTD. · TRATOS (UK) LIMITED · INFOSYS LIMITED · DLT TRAINING LIMITED · EFFECTECH LIMITED · GRANGE INDUSTRIES GROUP LIMITED · COMPLETE STRATEGY LTD · MOTT MACDONALD BENTLEY LTD · WATER RESEARCH CENTRE LIMITED · MCVEIGH PARKER & CO. LIMITED · FOWLER GAS HEATING & PLUMBING LIMITED · ASBESTOS CONSULTANTS EUROPE LIMITED · ASBESTOS CONTROL AND TREATMENT LIMITED · ASHWOODS LIGHTFOOT LIMITED · ASITE SOLUTIONS LIMITED · ASK UTILITIES LIMITED · ASKAM CIVIL ENGINEERING LIMITED · ASPECT CONTRACTS LIMITED · ASPECT LAND AND HYDROGRAPHIC SURVEYS LIMITED · ASSETWORKS FLEET SOLUTIONS LTD · Asso.subsea Single Member S.A. · ASSOCIATED UTILITY SUPPLIES LIMITED · AT GROUP (SW) LTD · ATEXA FIRE AND SECURITY SOLUTIONS LIMITED · ATHENA CONTRACTORS LIMITED · ATI INSULATION CONTRACTORS LIMITED · ATKINS WALTERS & WEBSTER LIMITED · ATKINSRÉALIS UK LIMITED · ATLANTIC PUMPS LIMITED · ATLAS SERVICES GROUP ENERGY LTD · ATLAS UTILITIES LTD · ATLAS WINCH & HOIST SERVICES LTD. · ATM SECURITY LTD · ATOS IT SERVICES UK LIMITED · AUMA ACTUATORS LIMITED · AUREOS ENERGY LIMITED · AUREOS HIGHWAYS LIMITED · AUREOS IDEC LIMITED · AUSTIN CONTRACT SERVICES LIMITED · AUSTIN-SMITH:LORD LIMITED · AVARIX LIMITED · AVIDETY LTD · AVISON YOUNG (UK) LIMITED · AVK UK LIMITED · AVK/SEG LIMITED · AVON CONSTRUCTION LIMITED · AVON MATERIAL SUPPLIES LIMITED · AVOVE LIMITED · AVRS SYSTEMS LIMITED · AXIA ORIGIN LTD · AXYCAD LTD · B & S GROUP LIMITED · B JEFFREY CONSTRUCTION LIMITED · B.B.Price Limited · B.C.H CIVILS LIMITED · B.J. THOMAS & SON LIMITED · B.W. CONTROLS LIMITED · BABBITY ENVIRONMENTAL LIMITED · BAC CORROSION CONTROL LIMITED · BACHY SOLETANCHE LIMITED · BAILEY INTERNATIONAL STEEPLEJACK COMPANY LIMITED · BAKER HICKS LIMITED · BALDWINS CRANE HIRE LIMITED · BALFOUR BEATTY CIVIL ENGINEERING LIMITED · BALMORAL TANKS LIMITED · BALVAC LIMITED · BANAGHER PRECAST CONCRETE LIMITED · BARASSIE ENGINEERING SYSTEMS LTD · BARDIC CONSTRUCTION LIMITED · BARINGA PARTNERS LLP · BARTEC ENGINEERING SERVICES LIMITED · BARTLETT CONTRACTORS LIMITED · BARTON FIRTOP ENGINEERING CO LIMITED · BAUER TECHNOLOGIES LIMITED · BAUR TEST EQUIPMENT LIMITED · BAUWATCH (UK) LIMITED · BAXI HEATING UK LIMITED · BAXTERSTOREY LIMITED · B B R ROOFING LIMITED · BBS UTILITY SERVICES LTD · BCW CONSTRUCTION LIMITED · BDO LLP · BDS (YORKSHIRE) LIMITED · BEARINGPOINT LIMITED · BEAUMONT RIVERS LTD · BEMO TUNNELLING GMBH · BEN NOCK LIMITED · BENCH IT LIMITED · BENNING POWER ELECTRONICS (UK) LIMITED · BERMAD UK LIMITED · BETHELL CONSTRUCTION LIMITED · BF-LED LTD · BGB GROUP GLOBAL LTD · BGIS BUILDING SERVICES MAINTENANCE LIMITED · BHA Cromwell House · BIBBEGAN DEMOLITION AND STRIP OUT LTD. · BIDWELLS LLP · Bilfinger UK Limited · BILLIGENCE EUROPE LTD · BILLINGTON SAFETY SYSTEMS LIMITED · BINNIES UK LIMITED · BINNS FENCING LIMITED · BIOGAS SOLUTIONS LIMITED · BIOGENIE REMEDIATION UK LIMITED · BIOMARSH ENVIRONMENTAL LTD · BIP SOLUTIONS LIMITED · BJSS LIMITED · BLACK DIAMOND SECURITY LTD · BLACKBURN STARLING & COMPANY LIMITED · BLACKHALL & POWIS LTD · BLACKHALL ENGINEERING LIMITED · A CAMPBELL ELECTRICAL SERVICES LTD · SEABED SCOUR CONTROL SYSTEMS LTD · BCE NORTHERN LIMITED · CARDIFF UNIVERSITY · CHEVRON TRAFFIC MANAGEMENT LIMITED · MCKENZIE ELECTRICAL SOLUTIONS LIMITED · C SPENCER LIMITED · POINTER LIMITED · SICAME UK LIMITED · TRANSANALYTICAL SERVICES LIMITED · NETCALL SYSTEMS LIMITED · Elm Surfacing Ltd · GREYMATTERS TECHNOLOGIES LTD · Marla Tube Fittings T/A HPF Energy Services Ltd · TUKE AND BELL LIMITED · NEIL R DAVIES LIMITED · QA RESEARCH LTD · NEW FLEXIBILITY TECHNOLOGIES LTD · Camlab Limited · HANGER19 LTD · NORTH HIGHLAND UK LIMITED · FLOWSERVE GB LIMITED · Bascom-Turner Instruments Inc · DNV SERVICES UK LIMITED · RSK ENVIRONMENT LIMITED · LOC HIRE LTD · AMP TECHNICAL SERVICES LIMITED · AUSTIN'S CONTRACTORS LTD · BRADEN UK LIMITED · ENIGMA INTERACTIVE LIMITED · ROAD SAFETY SERVICES LIMITED · HARGREAVES INDUSTRIAL SERVICES LIMITED · THE RIVERS TRUST · MHR INTERNATIONAL UK LIMITED · DRAEGER SAFETY UK LTD · ANDREW BLACK DESIGN LIMITED · JOSEPH GLEAVE & SON LIMITED · MAXIM POWER TOOLS (SCOTLAND) LIMITED · GREEN HIGHLAND RENEWABLES LTD · K COGHLAN PLANT AND TRANSPORT LIMITED · INNTEL LIMITED · BRI-STOR SYSTEMS LIMITED · POWER AND LINE LTD · ESRI (UK) LIMITED · HATTON TRAFFIC MANAGEMENT LIMITED · Sieyuan Electric CO, . LTD · VLL LIMITED · STRUCTURAL SOILS LIMITED · TOTAL SECURITY PROTECTION LIMITED · CELTIC RECYCLING LTD. · MATRIX SCM LIMITED · PBU (UK) LTD · EQUANS SERVICES LIMITED · BROADCAST MEDIA SERVICES LIMITED · CURA TERRAE LAND AND NATURE LIMITED · J.N. BENTLEY LIMITED · CONNEXIN LIMITED · BEACONS BUSINESS INTERIORS LIMITED · Ward & Burke Construction Limited · PROCTER AND STREET LTD · DEANS CIVIL ENGINEERING LIMITED · AQUAMATIC LIMITED · AQUA CONSULTANTS LIMITED · CBES LIMITED · Butterfly Projects Ltd t/a Butterfly Data · VOLKERFITZPATRICK LIMITED · FUSION PEOPLE LIMITED · Tetra Tech Limited · SEALANE INSHORE LIMITED · FIRST SAFETY CONSTRUCTION LIMITED · THE NETWORKING PEOPLE (TNP) LIMITED · C. SCOPE INTERNATIONAL LIMITED · MCCRAE TRAINING LTD · Turquoise Thinking Ltd · PROAV LIMITED · SUMO SERVICES LIMITED · FMG SUPPORT (FIM) LTD · CCS SCAFFOLDING LIMITED · TMC3 LIMITED · HOOKE HIGHWAYS LIMITED · ELECTRALINK LIMITED · ALIMAK GROUP UK LTD · B2Mobility · McKinsey & Company, Inc. United Kingdom · JAPP TRANSMISSIONS LIMITED · Northern Energy Services Ltd · VISION CONSULTING LIMITED · GETRONICS SERVICES UK LIMITED · ENTERPRISE RENT-A-CAR UK LIMITED · ALIAXIS UK LIMITED · BTS GROUP LIMITED · M&D Services · M A UTILITIES LTD · UBCIVILS LTD · CHARLESTOWN LTD · CAN GEOTECHNICAL LIMITED · ICR INTEGRITY LIMITED · AVARUS VALVES LTD · CHERRY & WHITE LIMITED · Ecosulis Ltd · PIPELIFE IRELAND SOLUTIONS · AUSTWEL LIMITED · ROTORK UK LIMITED · JAMES BOYLAN SAFETY (NI) LIMITED · SWARCO SMART CHARGING LTD · CHEETHAM HILL CONSTRUCTION LIMITED · NAVIGATE INFRASTRUCTURE CONSULTING LIMITED · AUGEAN LIMITED · OPEN UTILITY LTD (t/a Piclo) · Midland and General Scaffolding limited · SLUDGE TEK LIMITED · BARHALE LIMITED · AMENTUM CLEAN ENERGY LIMITED · CABLE REPAIR SERVICES LIMITED · EDF ENERGY CUSTOMERS LIMITED · ACTICA CONSULTING LIMITED · Mackenzie Bradshaw Environmental Consulting (MBEC) · DURKIN AND SONS LIMITED · TEIGNMOUTH MARITIME SERVICES LIMITED · ANGELL SURVEYS LIMITED · AIRBUS PROTECT LIMITED · THORNTON TOMASETTI ROMSEY LIMITED · CFA ARCHAEOLOGY LIMITED · UK GRID SOLUTIONS LIMITED · WILDHEARTS OFFICE LIMITED · MACWHIRTER (WESTERN) LIMITED · MTS Suction Systems UK Ltd · M & M CONTRACTORS LIMITED · Automa srl · SIEMENS PUBLIC LIMITED COMPANY · RIDER LEVETT BUCKNALL UK LIMITED · HANSON QUARRY PRODUCTS EUROPE LIMITED · ARTHUR D. LITTLE LIMITED