| 4OC LIMITED shared | · | · | active |
| 4WAY CONSULTING LTD shared | · | · | active |
| ABUSS Limited shared | · | · | active |
| ACTICA CONSULTING LIMITED shared | · | · | active |
| ACUSENSUS UK LIMITED shared | · | · | active |
| ADMA SOLUTIONS LIMITED shared | · | · | active |
| AECOM LIMITED shared | · | · | active |
| AIMSUN LIMITED shared | · | · | active |
| AIRLY AIR QUALITY SERVICES LTD shared | · | · | active |
| AMEY HIGHWAYS LIMITED shared | · | · | active |
| AMEY OWR LIMITED shared | · | · | active |
| AMP EV LTD shared | · | · | active |
| APCOA PARKING (UK) LIMITED shared | · | · | active |
| APT Skidata Ltd shared | · | · | active |
| ARCADIS CONSULTING (UK) LIMITED shared | · | · | active |
| ARVOO Imaging Products BV shared | · | · | active |
| ASSISTING SUCCESS LIMITED shared | · | · | active |
| ATKINSREALIS UK LIMITED shared | · | · | active |
| ATOS IT SERVICES UK LIMITED shared | · | · | active |
| AXON PUBLIC SAFETY UK LIMITED shared | · | · | active |
| BACB RENEWABLES LIMITED shared | · | · | active |
| BAE SYSTEMS APPLIED INTELLIGENCE LIMITED shared | · | · | active |
| BARINGA PARTNERS LLP shared | · | · | active |
| BEHAVIOURAL INSIGHTS LTD shared | · | · | active |
| BETA STREETS LTD shared | · | · | active |
| BRAMBLE HUB LIMITED shared | · | · | active |
| BURENDO LTD shared | · | · | active |
| BURO HAPPOLD LIMITED shared | · | · | active |
| CAUSEWAY TECHNOLOGIES LIMITED shared | · | · | active |
| CENEX (CENTRE OF EXCELLENCE FOR LOW CARBON AND FUEL CELL TECHNOLOGIES) shared | · | · | active |
| CHAR.GY LIMITED shared | · | · | active |
| CHUBB FIRE & SECURITY LIMITED shared | · | · | active |
| CIRCET HOLDINGS LIMITED shared | · | · | active |
| CIRCULAR 11 LTD shared | · | · | active |
| CITISENSE LTD shared | · | · | active |
| CITY SCIENCE CORPORATION LIMITED shared | · | · | active |
| CLEARVIEW INTELLIGENCE LIMITED shared | · | · | active |
| COGNIZANT WORLDWIDE LIMITED shared | · | · | active |
| COLAS LIMITED shared | · | · | active |
| COLLECTIVETECH LIMITED shared | · | · | active |
| COMPASS INFORMATICS UK LIMITED shared | · | · | active |
| COMPASS IOT LIMITED shared | · | · | active |
| CONCEPT SECURITY LTD (UK) shared | · | · | active |
| CORVIA LIMITED TRADING AS TICKETER shared | · | · | active |
| COSTAIN LIMITED shared | · | · | active |
| CPC PROJECT SERVICES LIMITED shared | · | · | active |
| CP PLUS LIMITED shared | · | · | active |
| CROWN HIGHWAYS LIMITED shared | · | · | active |
| CSE CROSSCOM LIMITED shared | · | · | active |
| CUBIC TRANSPORTATION SYSTEMS LIMITED shared | · | · | active |
| CU LIGHTING LIMITED shared | · | · | active |
| CycleStreets Ltd shared | · | · | active |
| DACOLL HOLDINGS LIMITED shared | · | · | active |
| DBAAS LTD shared | · | · | active |
| DELOITTE LLP shared | · | · | active |
| D-FINE LIMITED shared | · | · | active |
| DIGITAL CATAPULT SERVICES LIMITED shared | · | · | active |
| DOZA CONSULTING LTD shared | · | · | active |
| ECR SOLUTIONS LIMITED shared | · | · | active |
| Egis UK - Consulting and Engineering Limited shared | · | · | active |
| ELECTRONIC TERMINATIONS LIMITED shared | · | · | active |
| EMBER TECHNOLOGY LTD shared | · | · | active |
| ENGINEERING SUPPORT GROUP LIMITED shared | · | · | active |
| ENVEVO LIMITED shared | · | · | active |
| ERNST & YOUNG LLP shared | · | · | active |
| ESP SYSTEX LIMITED shared | · | · | active |
| EVENERGI UK LTD shared | · | · | active |
| FAIRTIQ AG shared | · | · | active |
| FLOWBIRD SMART CITY UK LIMITED shared | · | · | active |
| FOREV LIMITED shared | · | · | active |
| FRAZER-NASH CONSULTANCY LIMITED shared | · | · | active |
| FUJITSU SERVICES LIMITED shared | · | · | active |
| FUUSE LIMITED shared | · | · | active |
| GRANT WILSON CONSULTANCY LTD shared | · | · | active |
| GUTTERIDGE HASKINS & DAVEY LIMITED shared | · | · | active |
| Haskoning UK Limited shared | · | · | active |
| HDR Consulting Ltd shared | · | · | active |
| HENSALL ELECTRICAL SERVICES LIMITED shared | · | · | active |
| HITACHI RAIL GTS UK LIMITED shared | · | · | active |
| HUDDL MOBILITY LIMITED shared | · | · | active |
| H.W. MARTIN (TRAFFIC MANAGEMENT) LIMITED shared | · | · | active |
| IB BOOST LTD shared | · | · | active |
| IMPERIAL CIVIL ENFORCEMENT SOLUTIONS LIMITED shared | · | · | active |
| INDRA SISTEMAS, S.A. shared | · | · | active |
| INEO SYSTRANS UK LTD shared | · | · | active |
| Infinitive Group Limited shared | · | · | active |
| INFORMED SOLUTIONS LIMITED shared | · | · | active |
| INFOTEC LIMITED shared | · | · | active |
| INFRATEC-UK LIMITED shared | · | · | active |
| INIT INNOVATIONS IN TRANSPORTATION LIMITED shared | · | · | active |
| INRIX UK LTD shared | · | · | active |
| INTELLIGENT DATA COLLECTION LIMITED shared | · | · | active |
| INTERNATIONAL PARKING SYSTEMS (UK) LIMITED shared | · | · | active |
| ITO WORLD LTD shared | · | · | active |
| J1-LED Intelligent Transport Systems Pty Ltd shared | · | · | active |
| JACOBS U.K. LIMITED shared | · | · | active |
| JENOPTIK UK LIMITED shared | · | · | active |
| JMW Systems Ltd shared | · | · | active |
| JOURNEO FLEET SYSTEMS LIMITED shared | · | · | active |
| Journeo Passenger Systems Ltd shared | · | · | active |
| JOURNEY4 LIMITED shared | · | · | active |
| KAINOS SOFTWARE LIMITED shared | · | · | active |
| KAPSCH TRAFFICCOM LIMITED shared | · | · | active |
| KERV DIGITAL LIMITED shared | · | · | active |
| KIER TRANSPORTATION LIMITED shared | · | · | active |
| KPMG LLP shared | · | · | active |
| LASER TECH UK, LTD. shared | · | · | active |
| L.E.K. CONSULTING LLP shared | · | · | active |
| LITTLEPAY LIMITED shared | · | · | active |
| M4 DIGITAL GROUP LTD shared | · | · | active |
| MARSTON (HOLDINGS) LIMITED shared | · | · | active |
| MAV SYSTEMS LIMITED shared | · | · | active |
| METDESK LIMITED shared | · | · | active |
| METRIC SERVICES (LEICESTER) LIMITED shared | · | · | active |
| MITIE LIMITED shared | · | · | active |
| MOBILE WORKER PLUS LIMITED shared | · | · | active |
| MOBILITYWAYS LIMITED shared | · | · | active |
| MOBIUS NETWORKS LIMITED shared | · | · | active |
| Modaxo Traffic Management UK Ltd shared | · | · | active |
| Monotch B.V. shared | · | · | active |
| Moorhouse Consulting Limited shared | · | · | active |
| MOTOROLA SOLUTIONS UK LIMITED shared | · | · | active |
| MOTT MACDONALD LIMITED shared | · | · | active |
| NEC SOFTWARE SOLUTIONS UK LIMITED shared | · | · | active |
| NEOLOGY UK LIMITED shared | · | · | active |
| netBI Pty Ltd shared | · | · | active |
| NETCOMPANY UK LIMITED shared | · | · | active |
| Norman Rourke Pryme Limited shared | · | · | active |
| NOTA BENE CONSULTING LTD shared | · | · | active |
| OPTIBUS TRANSPORTATION LIMITED shared | · | · | active |
| Osmodal Group Pty Ltd shared | · | · | active |
| OVE ARUP & PARTNERS LIMITED shared | · | · | active |
| PA CONSULTING SERVICES LIMITED shared | · | · | active |
| PALANTIR TECHNOLOGIES UK, LTD. shared | · | · | active |
| PARKINGEYE LIMITED shared | · | · | active |
| P. DUCKER SYSTEMS LIMITED shared | · | · | active |
| POWERCUBE LIMITED shared | · | · | active |
| Pricebuy Ltd shared | · | · | active |
| PRICEWATERHOUSECOOPERS LLP shared | · | · | active |
| PUBLIC GROUP INTERNATIONAL LIMITED shared | · | · | active |
| Q-FREE (BRISTOL) UK LIMITED shared | · | · | active |
| Redflex Traffic Systems Limited shared | · | · | active |
| Redspeed International LTD shared | · | · | active |
| Rennicks (UK) Ltd shared | · | · | active |
| REVEAL MEDIA LIMITED shared | · | · | active |
| ROADSIDE TECHNOLOGIES LTD shared | · | · | active |
| SABA PARK SERVICES UK LIMITED shared | · | · | active |
| Sagoss Limited shared | · | · | active |
| SCHEIDT & BACHMANN (UK) LIMITED shared | · | · | active |
| Serco Limited shared | · | · | active |
| SOCIEDAD IBERICA DE CONSTRUCCIONES ELECTRICAS, SOCIEDAD ANONIMA shared | · | · | active |
| SOFTWIRE TECHNOLOGY LIMITED shared | · | · | active |
| SOPRA STERIA LIMITED shared | · | · | active |
| SQUARCLE CONSULTING LTD shared | · | · | active |
| STANTEC UK LIMITED shared | · | · | active |
| STARK SOFTWARE INTERNATIONAL LTD. shared | · | · | active |
| StarTraq Limited shared | · | · | active |
| STEER DAVIES & GLEAVE LIMITED shared | · | · | active |
| STOCKSIGNS LIMITED shared | · | · | active |
| SWARCO SMART CHARGING LTD shared | · | · | active |
| SWARCO UK & IRELAND LTD shared | · | · | active |
| SWECO UK LIMITED shared | · | · | active |
| SYSTEMS ENGINEERING & ASSESSMENT LTD shared | · | · | active |
| SYSTRA LIMITED shared | · | · | active |
| TAGMASTER UK LIMITED shared | · | · | active |
| TARANTO SYSTEMS LIMITED shared | · | · | active |
| TELENT TECHNOLOGY SERVICES LIMITED shared | · | · | active |
| TES LTD (Traffic Environment Systems LTD) shared | · | · | active |
| TILT CONSULTING LIMITED shared | · | · | active |
| TJA ASSOCIATES LIMITED shared | · | · | active |
| TOTALENERGIES CHARGING SOLUTIONS UK LIMITED shared | · | · | active |
| TRACSIS Rail Technology & Services shared | · | · | active |
| TRACSIS TRAFFIC DATA LIMITED shared | · | · | active |
| Trojan Energy Limited shared | · | · | active |
| TRUVELO (UK) LIMITED shared | · | · | active |
| TURNER & TOWNSEND INFRASTRUCTURE LIMITED shared | · | · | active |
| UBITRICITY DISTRIBUTED ENERGY SYSTEMS UK LIMITED shared | · | · | active |
| UNICARD LIMITED shared | · | · | active |
| UNITY FIVE LIMITED shared | · | · | active |
| URBAN FORESIGHT LIMITED shared | · | · | active |
| VAISALA LIMITED shared | · | · | active |
| VE3 GLOBAL LTD shared | · | · | active |
| VEV SERVICES LIMITED shared | · | · | active |
| VIABLE DATA LTD shared | · | · | active |
| Via Technologies Europe B.V. shared | · | · | active |
| VISION TECHNIQUES (UK) LIMITED shared | · | · | active |
| VIX TECHNOLOGY UK LIMITED shared | · | · | active |
| VOLKERHIGHWAYS LIMITED shared | · | · | active |
| Volteum Ltd shared | · | · | active |
| WENEA SERVICES UK LIMITED shared | · | · | active |
| Westcotec Limited shared | · | · | active |
| WORLDLINE IT SERVICES UK LIMITED shared | · | · | active |
| WSP UK Limited shared | · | · | active |
| YUNEX LIMITED shared | · | · | active |
| ZEST ECO LTD shared | · | · | active |
| ZUHLKE ENGINEERING LTD. shared | · | · | active |