IRU Cost Scheme Participants
| Name of Library | Code |
| Aberdeen City Council Libraries | QZ/P22 |
| Aberdeen City Council, Curriculum Resources & Information Service | QZ/Q57 |
| Aberdeen College | QZ/D-7 |
| Aberdeen University, Queen Mother Library | AD/U-3 |
| Aberdeenshire Library & Information Service, Oldmeldrum | QZ/P30 |
| Aberystwyth University | AB/U-1 |
| Advocates Library, Edinburgh | NO CODE |
| Anglian Water | NO CODE |
| Angus College, Arbroath | NO CODE |
| Angus Council Libraries, Forfar | QZ/P28 |
| Argyll & Bute Library & Information Service, Dunoon | QZ/P27 |
| Argyll & Clyde Health Board, Paisley | NO CODE |
| Argyll College | NO CODE |
| Aston University | BH/U-3 |
| Avecia Ltd., Billingham | QN/F44 |
| Ayrshire & Arran Health Board, Ayr | NO CODE |
| BAE Systems Marine Ltd, Glasgow | NO CODE |
| Barnsley District General Hospital | XT/M28 |
| Barnsley Libraries | XY/P-8 |
| Basingstoke College of Technology | QW/C85 |
| Bath & North East Somerset Library, Bath | QW/P-2 |
| Bath College | BA/C-1 |
| Bath Spa University College | QW/C94 |
| BBC North, Manchester | QL/S89 |
| Beatson Oncology Centre, Western Infirmary, Glasgow | NO CODE |
| Bedfordshire County Council | QS/P-4 |
| Bell College, Dumfries Campus Library | NO CODE |
| Bexley Council | QS/P82 |
| Birkbeck College, University of London | LO/U-5 |
| Birmingham City Libraries | BH/P-1 |
| Birmingham City University, Birmingham Conservatoire Library | BH/C-5 |
| Birmingham City University, Bournville College of Art, BIAD | NO CODE |
| Birmingham City University, College of Art, Margaret Street, BIAD | BH/C-4 |
| Birmingham City University, Education Library, Westbourne Road | NO CODE |
| Birmingham City University, Gosta Green Library, BIAD | NO CODE |
| Birmingham City University, Kenrick Library, Perry Barr | QM/C48 |
| Birmingham City University, Nursing Libraries, Westbourne Road | NO CODE |
| Birmingham City University, School of Jewellery, Vittoria Street, BIAD | NO CODE |
| Bishop Auckland College | QN/C60 |
| Blackburn with Darwen Public Library | QL/P-6 |
| Blackpool Public Library | QL/P92 |
| Bolton Public Libraries | QL/P-7 |
| Boots PLC, Nottingham | QE/F69 |
| Bournemouth and Poole College | QW/C67 |
| Bournemouth Libraries | QW/P-5 |
| Bracknell Forest Borough Council | QS/Q60 |
| Bradford Libraries | BD/P-1 |
| Bradford Royal Infirmary | BD/M-1 |
| Bradford University | BD/U-1 |
| Bridgend Library and Information Service | QG/P14 |
| Bridgewater College, Somerset | QW/C64 |
| Brighton & Hove Libraries, Brighton | BT/P-1 |
| Bristol Library Service | QW/P-7 |
| Bristol University | BR/U-1 |
| British Homoeopathic Library, Glasgow Homoeopathic Hospital | GL/M-3 |
| Brooksby College, Melton Mowbray | QE/D12 |
| Broxtowe College, Nottingham | QE/D-9 |
| Buckinghamshire County Council | QS/P11 |
| Bury Metro. Libraries | QL/P10 |
| Calderdale Libraries | XY/P40 |
| Cambridgeshire Libraries, Cambridge | QE/P52 |
| Cardiff County Library | QG/P-3 |
| Cardiff Metropolitan University | QG/C28 |
| Castle College, Nottingham | QE/C84 |
| Carmarthenshire County Libraries | ZW/P11 |
| Centre for Ecology & Hydrology (CEH) Banchory | NO CODE |
| Centre for Ecology and Hydrology (CEH), Penicuik | NO CODE |
| Ceredigion County Library, Aberystwyth | ZW/P10 |
| Cheshire County Libraries | QL/P-4 |
| Chesterfield College | QE/D-0 |
| City & County of Swansea | QG/P13 |
| City of Edinburgh Council School Library Service | QZ/Q34 |
| City of Edinburgh Council, Property Management Library | QZ/S-3 |
| City of Sunderland College | QN/C84 |
| City of Sunderland College, Learning Centre - Bede | QN/C85 |
| City of Sunderland College, Tunstall Centre | QN/C43 |
| Clackmannanshire Libraries, Alloa | QZ/P15 |
| Community Initiative Partnerships, Hounslow Libraries | QS/P37 |
| Cornwall Library Service | QW/P13 |
| Corporation of London Libraries | LO/P-6 |
| Coventry Public Library | QM/P-6 |
| Coventry University, Lanchester Library | CV/C-1 |
| Cumbernauld College | NO CODE |
| Cumbria College of Art and Design, Carlisle | QN/C78 |
| Cumbria County (all libraries) | QL/P-5 |
| Cumbrian Institute of the Arts | QL/C-3 |
| Darlington College of Technology | QN/C79 |
| Darlington Public Library | QN/P35 |
| De Montfort University, Leicster | LC/C-1 |
| Derby College, Broomfield Hall Campus, Ilkeston | NO CODE |
| Derby College, Pride Parkway Campus, Derby | NO CODE |
| Derby College, Prince Charles Avenue Campus, Derby | NO CODE |
| Derby University | QE/C67 |
| Derbyshire Library Service, Matlock | QE/P41 |
| Det Norske Veritas (DNV), Aberdeen | NO CODE |
| Devon Library Services | QW/P14 |
| Dewsbury District Hospital | XY/M18 |
| Doncaster Libraries | XY/P-5 |
| Doncaster Royal Infirmary | XY/M19 |
| Dorset County Library | QW/P15 |
| Douglas Public Library, Isle of Man | QL/P55 |
| Dudley Library | QM/P-8 |
| Dumfries & Galloway College, Dumfries | QZ/D-5 |
| Dumfries & Galloway Libraries, Dumfries | QZ/P10 |
| Dundee City Libraries | QZ/P20 |
| Dundee College | QZ/D20 |
| Dundee University | DN/U-1 |
| Dundee University, Duncan of Jordanstone College Library | QZ/C20 |
| Dundee University, Gardyne Road Library | QZ/E20 |
| Dundee University, School of Nursing & Midwifery, Fife Campus, Kirkcaldy | NO CODE |
| Dunstaffnage Marine Laboratory | QZ/S27 |
| Durham Arts Libraries & Museums | QN/P21 |
| East Ayrshire Library Service, Cumnock | QZ/Q88 |
| East Devon College | QW/D38 |
| East Dunbartonshire Libraries, Kirkintilloch | QZ/Q76 |
| East Durham Community College | QN/C58 |
| East Fife Postgraduate Medical Centre, Victoria Hospital, Kirkcaldy | NO CODE |
| East Lothian Council Libraries Schools Service, Haddington | NO CODE |
| East Lothian Libraries, Haddington | QZ/P34 |
| East Renfrewshire Libraries, Barrhead | QZ/Q78 |
| East Riding Library Service | XY/P41 |
| East Sussex County Council | QS/P61 |
| Edge Hill College of Higher Education | QL/D28 |
| Edinburgh City Library | QZ/P99 |
| Edinburgh College, Granton Campus | QZ/C37 |
| Edinburgh College, Midlothian Campus | NO CODE |
| Edinburgh College, Sighthill Campus | QZ/C94 |
| Edinburgh College of Art | QZ/C80 |
| English Nature, Peterborough | LO/R-5 |
| Essex County Council | QS/P27 |
| Falkirk & District Royal Infirmary, Postgraduate Centre Library | NO CODE |
| Falkirk Library Services | QZ/P13 |
| Faulknerbrowns Architects Dobson House Consultants Ltd., Newcastle | QN/F16 |
| Fife College of Further & Higer Education, Kirkcaldy | QZ/C18 |
| Fife Council Libraries, Central Area, Kirkcaldy | QZ/P18 |
| Fife Council Libraries, East Area, Cupar | QZ/Q17 |
| Fife Council Libraries, West Area, Dunfermline | QZ/P16 |
| Fife Health Board, Public Health Library, Cupar | NO CODE |
| Fife Primary Care NHS Trust, Health Promotion Department, Cameron Hospital | QZ/N21 |
| Forth Valley College, Alloa | QZ/C15 |
| Forth Valley College, Falkirk | QZ/C71 |
| Forth Valley Health Board Library, Stirling | NO CODE |
| Gartnavel Royal Hospital, Maria Henderson Library, Glasgow | NO CODE |
| Gateshead College | QN/C65 |
| Gateshead Public Library | QN/P12 |
| Glasgow Caledonian University, City Campus | QZ/E79 |
| Glasgow City Council Legal Library | NO CODE |
| Glasgow City Libraries | QZ/P-1 |
| Glasgow School of Art | QZ/C79 |
| Glenurquhart High School, Drumnadrochit | NO CODE |
| GLOSCAT, Cheltenham | QW/D20 |
| Gloucestershire County Library | QW/P20 |
| Gordonstoun School, Duffus | NO CODE |
| Grampian Primary Care Trust, Royal Cornhill Hospital, Aberdeen | NO CODE |
| Granada Television | QL/G24 |
| Grimsby Central Library | NO CODE |
| Halliburton Brown & Root, Aberdeen | NO CODE |
| Halton Libraries, Runcorn | QL/P93 |
| Hampshire County Library | QW/P22 |
| Harlaxton College, Grantham, Lincolnshire | NO CODE |
| Harley Hadow Partnership, Edinburgh | NO CODE |
| Harper Adams University College, Newport, Shropshire | XM/C12 |
| Hartlepool Borough Libraries | QN/P15 |
| Hartlepool College of Further Education | QN/C77 |
| Health Education Board for Scotland, Health Promotion Library, Edinburgh | NO CODE |
| Health Services Information Library, Lorn & Islands District General Hospital, Oban | NO CODE |
| Herefordshire Libraries | QM/P11 |
| Heriot-Watt University, Edinburgh | ED/U-3 |
| Heriot-Watt University, Scottish Borders Campus, Galashiels | QZ/C69 |
| Hertfordshire Libraries | QS/P34 |
| High School of Dundee | NO CODE |
| Highland Council Education Dept., School Library Services, Dingwall | QZ/Q52 |
| Highland Council Libraries, Inverness | QZ/P40 |
| Highland Theological College, Dingwall | NO CODE |
| Historic Scotland, Edinburgh | NO CODE |
| Hull City Libraries | HL/P-1 |
| Hull University | HL/U-1 |
| Hutchesons Grammar School, Glasgow | NO CODE |
| Institute for System Level Integration, Livingstone | NO CODE |
| International Centre for Island Technology, Heriot-Watt University, Orkney | NO CODE |
| International Christian College, Glasgow | NO CODE |
| Inverclyde Libraries, Greenock | QZ/P52 |
| Inverclyde Royal Hospital, Robert Lamb Library, Greenock | NO CODE |
| The Islamic Foundation, Markfield, Leics. | NO CODE |
| Isle College, Wisbech | QE/C86 |
| Isle of Wight Library | QW/P23 |
| James Watt College, Greenock | NO CODE |
| Keele University | KL/U-1 |
| Kent County Council | QS/P40 |
| Kilmarnock College | QZ/C-7 |
| Kingston University Library, Kingston-upon-Thames | LO/C10 |
| Kirklees Libraries | XY/P-1 |
| Knoll Pharmaceuticals, Nottingham | QE/F71 |
| Knowsley Library Service | QL/P40 |
| Lanarkshire Acute Hospitals Trust, Wishaw General Hospital | NO CODE |
| Lanarkshire Primary Care Trust Library, Kirklands Hospital, Bothwell | NO CODE |
| Lancashire County Libraries | QL/P-3 |
| Lauder College, Dunfermline | NO CODE |
| Laxdale Ltd, Stirling | NO CODE |
| Leeds City Libraries | LD/P-1 |
| Leicester College | QE/C55 |
| Leicestershire Libraries, Rothley | QE/P47 |
| Lincoln College | QE/C56 |
| Lincolnshire Library Service, Lincoln | QE/P44 |
| Literary and Philosophical Society, Newcastle | NW/S-1 |
| Liverpool Central Primary Care Trust | QL/M-1 |
| Liverpool John Moores University | LV/C-6 |
| Liverpool Libraries | LV/P-1 |
| Llanelli Public Library | QG/P-4 |
| London Borough of Barking and Dagenham | QS/P19 |
| London Borough of Barnet | QS/P33 |
| London Borough of Brent | QS/P70 |
| London Borough of Bromley | QS/P10 |
| London Borough of Camden | QS/Q13 |
| London Borough of Croydon | QS/P18 |
| London Borough of Ealing | QS/P21 |
| London Borough of Enfield | QS/P25 |
| London Borough of Greenwich | QS/Q-9 |
| London Borough of Hackney | QS/Q11 |
| London Borough of Hammersmith and Fulham | QS/Q12 |
| London Borough of Haringey | QS/P36 |
| London Borough of Harrow | QS/P94 |
| London Borough of Havering | QS/P92 |
| London Borough of Hillingdon | QS/P91 |
| London Borough of Islington | QS/Q15 |
| London Borough of Lambeth | QS/Q17 |
| London Borough of Lewisham | QS/Q18 |
| London Borough of Merton | QS/P47 |
| London Borough of Newham | QS/P69 |
| London Borough of Redbridge | QS/P39 |
| London Borough of Richmond-upon-Thames | QS/P52 |
| London Borough of Southwark | QS/Q25 |
| London Borough of Sutton | QS/P56 |
| London Borough of Tower Hamlets | QS/Q26 |
| London Borough of Waltham Forest | QS/P67 |
| Loughborough College | QE/C65 |
| Loughborough University | LB/U-1 |
| Macaulay Land Use Research Institute, Aberdeen | AD/R-1 |
| Manchester Metropolitan University | QL/D15 |
| Manchester Public Libraries | MA/P-1 |
| Medway Libraries | NO CODE |
| Middlesbrough Borough Libraries | QN/P32 |
| Middlesbrough College, Kirkby Campus | QN/C97 |
| Midlothian Council Libraries, Loanhead | QZ/P-9 |
| Milton Keynes Central Library | QS/P95 |
| Ministry of Defence, Information & Library Service, Glasgow | NO CODE |
| Monmouthshire Libraries and Information Service | QG/P15 |
| Moray College, Elgin | QZ/C50 |
| Moray Council Libraries, Elgin | QZ/P50 |
| Moredun Research Institute, Penicuik | QZ/R81 |
| Motherwell College | NO CODE |
| MRC Human Genetics Unit, Western General Hospital, Edinburgh | QZ/M59 |
| Napier University, Edinburgh | QZ/C85 |
| National Assembly for Wales Library, Cardiff | QG/T-1 |
| National Library of Wales, Aberystwyth | AB/N-1 |
| National Museums of Scotland, Edinburgh | QZ/T-8 |
| Neath Port Talbot CBC | QG/P19 |
| Nene University College, Northampton | QE/C89 |
| New College Library, Swindon | QW/C14 |
| New College Nottingham | QE/C88 |
| Newark and Sherwood College, Newark | QE/D10 |
| Newcastle City Library | QN/P-2 |
| Newcastle College, Rye Hill Campus | QN/C88 |
| Newcastle University | NW/U-1 |
| NEWnet (covers Denbighshire CC and Flintshire CC) | ZW/P16 |
| Newport Library & Information Service | QG/P16 |
| Norfolk Library & Information Service, Norwich | QE/P42 |
| North Atlantic Fisheries College, Shetland | NO CODE |
| North Ayrshire Libraries, Ardrossan | QZ/P-8 |
| North East Wales Institute (NEWI), Wrexham | ZW/C11 |
| North Highland College, Thurso | NO CODE |
| North Lanarkshire Council Library & Information Services, Motherwell | QZ/P56 |
| North Lincolnshire Libraries | QE/P53 |
| North Nottinghamshire College, Worksop | QE/D-8 |
| North Somerset Libraries | QW/P45 |
| North Tyneside College, Wallsend | QN/C91 |
| North Tyneside Libraries, North Shields | QN/P-9 |
| North Yorkshire County Library | XY/P26 |
| Northamptonshire Libraries, Northampton | QE/P46 |
| Northern College, Aberdeen Campus Library | QZ/D22 |
| Northumberland College, Ashington | QN/C74 |
| Northumberland County Library | QN/P10 |
| Northumbria University, City Campus Library | QN/C70 |
| Nottingham Trent University | QE/C76 |
| Nottingham Trent University, Clifton Campus | QE/C78 |
| Nottinghamshire County Council, Nottingham | QE/P43 |
| Oldham College | QL/C90 |
| Oldham Public Libraries | QL/P11 |
| Oldham Sixth Form College | QL/C26 |
| Orkney College, Kirkwall | NO CODE |
| Orkney Library | QZ/P38 |
| Oxford Brookes University, Gipsy Lane, Oxford | QW/C66 |
| Oxford Brookes University, Harcourt Hill Campus, Oxford | QW/D-5 |
| Oxfordshire County Council Library Services | QW/P30 |
| Parsons Brinckerhoff, Bristol | QW/D17 |
| PB Power Merz and McLellan Division, Newcastle upon Tyne | XS/F81 |
| Pembrokeshire County Library, Haverfordwest | ZW/P22 |
| Perth & Kinross Libraries & Archives, Perth | QZ/P26 |
| Perth College | QZ/C26 |
| Peterborough Library | NO CODE |
| Plymouth Library Services | QW/P54 |
| Pontefract General Infirmary | XY/M22 |
| Poole Central Library | QW/P33 |
| Portsmouth City Council Library Service | QW/P34 |
| Powys Library Service, Llndrindod Wells | ZW/P23 |
| Proctor & Gamble Technical Centres Ltd., Newcastle | QN/F52 |
| Queen Margaret University College, Edinburgh | QZ/C74 |
| Reading Borough Council | QS/Q61 |
| Redcar & Cleveland Borough Libraries, Redcar | QN/P22 |
| Renfrewshire Libraries, Paisley | QZ/P-6 |
| Rhondda Cynon Taff County Borough Libraries, Treorchy | QG/P12 |
| The Robert Gordon University, Aberdeen | QZ/C73 |
| Rochdale Public Libraries | QL/P13 |
| Rotherham District Hospital | XY/M23 |
| Rotherham Libraries | XY/P-4 |
| Rowett Research Institute, Aberdeen | AD/R-2 |
| Royal Borough of Kensington and Chelsea | QS/Q16 |
| Royal Borough of Kingston-upon-Thames | QS/P41 |
| Royal Botanic Garden Library, Edinburgh | ED/S-3 |
| Royal College of Physicians & Surgeons, Glasgow | GL/M-1 |
| Royal Faculty of Procurators in Glasgow | NO CODE |
| Royal Institution of Chartered Surveyors in Scotland, Edinburgh | NO CODE |
| Royal Northern College of Music | MA/C-8 |
| Royal Observatory, Edinburgh | ED/R-3 |
| Royal Scottish Academy of Music & Drama, Glasgow | QZ/D79 |
| SAC, Auchincruive | QZ/C93 |
| SAC, Craibstone, Aberdeen | NO CODE |
| Salford City Libraries | SF/P-1 |
| Sandwell Community Libraries | QM/P37 |
| Sandyford Library & Information Services, Glasgow | NO CODE |
| Sarum College Library | QW/D50 |
| Science and Advice for Scottish Agriculture (SASA), Edinburgh | NO CODE |
| Scottish Borders Library Service, Selkirk | QZ/P11 |
| Scottish Conservation Bureau Resource Centre, Edinburgh | NO CODE |
| Scottish Executive Library, Edinburgh | QZ/S29 |
| Scottish Funding Council for Further and Higher Education, Edinburgh | NO CODE |
| Scottish Homes, Edinburgh | NO CODE |
| Scottish Museums Council Information Service, Edinburgh | NO CODE |
| Scottish National Blood Transfusion Service Protein Fractionation Centre, Edinburgh | NO CODE |
| Scottish Natural Heritage, Inverness | ED/S-8 |
| Scottish Poetry Library, Edinburgh | ED/S12 |
| Scottish Prison Service College, Falkirk | NO CODE |
| SCRAN (Scottish Cultural Resources Access Network) | NO CODE |
| Sefton Libraries & Arts | QL/P-8 |
| Sheffield Hallam University | SH/C-1 |
| Sheffield Libraries | SH/P-1 |
| Sheffield University | SH/U-1 |
| The Shetland Library, Lerwick | QZ/P41 |
| Shropshire Libraries | QM/P42 |
| Slough Borough Council | QS/Q62 |
| Solihull Central Library | QM/P26 |
| Somerset College of Arts & Technology | XW/C15 |
| Somerset Libraries, Arts & Information, Bridgwater | QW/P38 |
| South Ayrshire Council Libraries, Ayr | QZ/P44 |
| South East Derbyshire College, Ilkeston | QE/D-3 |
| South Gloucestershire Library Service | QW/P18 |
| South Lanarkshire Libraries, East Kilbride | QZ/Q91 |
| South Tyneside Central Library | QN/P14 |
| South Tyneside College, Hebburn | QN/C37 |
| South Tyneside College, South Shields | QN/C46 |
| Southampton Library | QW/P39 |
| Southampton University | SO/U-1 |
| St Andrews University | SA/U-1 |
| St Helens Public Libraries | QL/P14 |
| Staffordshire Library and Information Services | QM/P43 |
| Staffordshire University, Law Library, Stoke on Trent | QM/C71 |
| Staffordshire University, Nelson Library, Stafford | QM/C70 |
| Staffordshire University, Thompson Library | QM/C68 |
| Steedman Ramage, WS,Edinburgh | NO CODE |
| Stephenson College, Coalville | QE/C57 |
| Stirling Council Educational Resources and Information Service, Stirling | QZ/Q51 |
| Stirling Council Libraries | QZ/P14 |
| Stirling University | ST/U-1 |
| Stockport Central Library | QL/P59 |
| Stockport College | QL/D16 |
| Stockton Borough Libraries | QN/P17 |
| Stockton Riverside College, Stockton-on-Tees | QN/C55 |
| Stoke-on-Trent Libraries | QM/P28 |
| Stolt Offshore Ltd, Aberdeen | NO CODE |
| Strathallan School, Perth | NO CODE |
| Suffolk College | QE/C58 |
| Suffolk County Council, Ipswich | QE/P36 |
| Sunderland City Library | QN/P13 |
| Supreme Courts (Court of Session) Library, Edinburgh | NO CODE |
| Surrey Libraries - East Area Request Unit, Redhill - [REQUESTER ONLY] | QS/Q66 |
| Surrey Libraries - East Area Request Unit, Redhill - [RESPONDER ONLY] | QS/P60 |
| Surrey Libraries - Mid Area Request Unit, Ewell - [REQUESTER ONLY] | QS/Q67 |
| Surrey Libraries - North West Area Request Unit, Addelstone - [REQUESTER ONLY] | QS/Q68 |
| Surrey Libraries - South West Area Request Unit, Guildford - [REQUESTER ONLY] | QS/Q69 |
| Surrey Libraries Performing Arts Library, Dorking | QS/Q70 |
| Swansea Metropolitan University | QG/C36 |
| Swansea University | SW/U-1 |
| Swansea University, Education Library | SW/U-2 |
| Swansea University, Natural Sciences Library | SW/U-3 |
| Swindon Borough Council Library | QW/P55 |
| Swindon College | QW/C91 |
| TalNet (covers Conwy CBC, Gwynedd Council, Isle of Anglesey) | ZW/P-6 |
| Tameside M.B.C. Libraries | QL/P20 |
| Tayside Primary Care NHS Trust, Royal Dundee Liff Hospital | NO CODE |
| Teesside Tertiary College, Middlesbrough | QN/C80 |
| Telford and Wrekin Libraires | QM/P-7 |
| Torbay Library Services, Torquay | QW/P43 |
| Torfaen Libraries | QG/P20 |
| Total Fina Elf Exploration, Aberdeen | NO CODE |
| Trafford M.B.C. Libraries | QL/P52 |
| University of Abertay Information Services, Dundee | QZ/D-2 |
| University of Bolton | QL/C96 |
| University of Central Lancashire | QL/C75 |
| University of Glamorgan, Pontypridd | QG/C25 |
| University of Gloucestershire | QW/D-3 |
| University of Huddersfield | XY/C-5 |
| University of Leicester | LC/U-1 |
| University of Lincoln | HL/C-3 |
| University of Paisley | QZ/D-1 |
| University of Paisley, Craigie Campus in Ayr Library | QZ/C44 |
| University of Paisley, Royal Alexandra Hospital Campus Library, Paisley | NO CODE |
| University of Plymouth | QW/D11 |
| University of Portsmouth Library | XW/C-3 |
| University of Strathclyde, Andersonian Library | GL/U-2 |
| University of Sunderland, Art & Design Library, | QN/C92 |
| University of Sunderland, Chester Road Library | XN/C-5 |
| University of Teeside, Middlesbrough | QN/C64 |
| University of the West of England, Art, Media & Design Library, Bristol | QW/C95 |
| University of the West of England, Bolland Library, Bristol | QW/D12 |
| University of the West of England, Redland Campus, Bristol | QW/C87 |
| University of the West of England, St Matthias Library, Bristol | QW/C88 |
| University of Wales, Newport, Caerleon Campus | QG/C19 |
| University of Wales, Newport, City Campus | QG/C32 |
| University of Wales, Trinity Saint David | ZW/U-1 |
| University of Winchester, Winchester | QW/D-9 |
| University of Wolverhampton, Dudley Learning Centre | QM/C98 |
| University of Wolverhampton, Harrison Learning Centre | XM/C10 |
| University of Wolverhampton, Walsall Learning Centre | QM/C91 |
| University of Worcester | QM/C-1 |
| Upper Norwood Joint Library Service | QS/Q20 |
| Vale of Glamorgan Libraries, Barry | QG/P-2 |
| Wakefield Libraries | XY/P-3 |
| Wakefield Pinderfields Hospital | XY/M21 |
| Walsall Public Library | QM/P34 |
| Wandsworth Borough Council | QS/Q28 |
| Warrington Library & Information Services | QL/P17 |
| Warwickshire Public Library | QM/P44 |
| West Berkshire District Council | QS/Q63 |
| West Dunbartonshire Council, Clydebank Library | QZ/P49 |
| West Lothian College, Bathgate | QZ/C42 |
| West Lothian Council Libraries, Blackburn | QZ/P42 |
| West Nottinghamshire College | NO CODE |
| West Sussex County Council Library Service | QS/P62 |
| Western Isles Libraries, Stornoway | QZ/Q41 |
| Westminster City Council | QS/Q29 |
| Weston Super Mare College | QW/C90 |
| Weymouth College | QW/C79 |
| Wigan Council Leisure & Cultural Services | QL/P18 |
| Wiltshire Libraries | QW/P46 |
| Windsor & Maidenhead Borough Council | QS/Q64 |
| Wirral libraries | QL/P57 |
| Wokingham District Council | QS/Q65 |
| Wolverhampton Central Library | QM/P39 |
| Wood Mackenzie, Edinburgh | NO CODE |
| Worcestershire Libraries | QM/P41 |
| Wrexham CBC | ZW/P-2 |
| York City Libraries | YK/P-1 |
| York University | YK/U-1 |
| Yorkhill NHS Trust, Forrester Cockburn Library, Glasgow | NO CODE |
| Yorkshire Libraries and Information, Wakefield | QY/- |
