| Code | Manufacturer Name | 
| A Mulliner | A Mulliner | 
| AAK | Aabenraa Karosserifabrik | 
| ABC | ABC Conversions, Airdrie | 
| AC | Auto Cellulose | 
| ACB | Associated Coachbuilders | 
| ACTD | Aberdeen Corporation Transport Departmen | 
| ACl | Autobus (Classique) | 
| AD | Alexander Dennis | 
| AD/Kiwi | Alexander-Dennis/Kiwi | 
| AFJ | AFJ, Small Heath/Nechells | 
| AKFS | Advanced KFS | 
| ALine | A Line | 
| AM | Austin Morris | 
| AMC | A.M.C., Wednesbury | 
| AMK | A.M.K., Liphook | 
| AMZ | AMZ-Kutno | 
| AOS | Anadolu Isuzu | 
| APG | APG | 
| ATT Papworth | ATT Papworth | 
| AVA | AVA, Kenya | 
| AVB | Advanced Vehicle Builders | 
| AW | Allweather | 
| Abacus | Abacus | 
| Abbott | Abbott | 
| Abl | Able | 
| Accles & Pollock | Accles & Pollock | 
| Ace | Ace | 
| Acs | Auto Conversions | 
| Ad | Appleyard | 
| Adm | Adams | 
| Adn | Adamson | 
| Aerocraft | Aerocraft | 
| Ai | Autokori | 
| Air Dispatch | Air Dispatch | 
| Ait | Aitken | 
| Aji | Ajokki | 
| Alexander Motors | Alexander Motors | 
| Alfa | Alfa | 
| Alfabus | Jiangsu Alfa Bus Co | 
| Allied | Allied Vehicles, Glasgow | 
| Alltruck | Alltruck | 
| Alphatec | Alphatec | 
| Alstom | Alstom | 
| Altas | Altas, Lithuania | 
| Amalgam | Amalgam | 
| Anadolu Isuzu | Anadolu Isuzu | 
| Andecar | Andecar | 
| Ang | Anglo/Angloco | 
| Anhui Ankai | Anhui Ankai | 
| Ansair | Ansair | 
| Ao | Asco | 
| Aptiga | Aptiga | 
| Aqh | Asquith | 
| Ar | Alexander | 
| Ar/Ptr | Alexander/Potters | 
| ArB | Alexander, Belfast | 
| Arakawa | Arakawa | 
| Arna | Arna | 
| Arnold & Comben | Arnold & Comben | 
| Arsiotis | Arsiotis | 
| Arv | Arrival | 
| As | Ayats | 
| Asia | Asia Motors | 
| Asia Aero | Asia Aero | 
| Asia Auto | Asia Auto | 
| Askamax | Askamax | 
| Asn | Autosan | 
| Athol Hedges | Athol Hedges | 
| Atl | Atlas | 
| Au | Neoplan | 
| Aurrigo | Aurrigo | 
| Aus | Austin | 
| Austral | Austral | 
| Auto | Autotrim | 
| Automet | Automet | 
| Automotive Group | Automotive Group | 
| Aveuro | Aveuro | 
| Axcon | Axcon, Guildford | 
| Aztec | Aztec | 
| B.V.S Group | B.V.S Group | 
| BACO | British Aluminium Co | 
| BAK | Miamiiotis & Sons, Nicosia | 
| BB | Bailey | 
| BBA | Bus Bodies (Port Elizabeth) | 
| BBN | Bus Bodies (Natal) | 
| BBd | Blue Bird | 
| BC | Bedford Coachworks | 
| BCI | BCI | 
| BCT | Blackpool College | 
| BH | Bellhouse Hartwell | 
| BH&D | Brighton, Hove & District | 
| BL | British Leyland | 
| BLS | Blue Light Services | 
| BMAM | BMC (Austin-Morris) | 
| BMB | BredaMenarinibus | 
| BMC | B.M.C. | 
| BMMO | B.M.M.O. (Midland Red) | 
| BMl | Bernard Mansell | 
| BRCW | Birmingham Railway Carriage & Wagon | 
| BS | Bristol Street Motors | 
| BYD | BYD Auto | 
| Ba | Bova | 
| Bab | Babcock | 
| Baird, Belfast | Baird, Belfast | 
| Bar | Barnard | 
| Barbi | BARBI Coach & Bus | 
| Bartle | Bartle | 
| Baus AT | Baus AT | 
| Bayleys | Bayleys | 
| Bby | Barnaby | 
| Bd | Bedford | 
| Bds | Bedwas | 
| Be | Beadle | 
| Beaumont | Beaumont | 
| Bec | Beccols | 
| Bell | Bell | 
| Belle | Belle | 
| Bence | Bence | 
| Bernard Collet | Bernard Collet | 
| Bf | Berkhof | 
| Birch | Birch | 
| Bk | Bonallack | 
| Bke | Brockhouse | 
| Bl | Bristol | 
| Blbd | Bluebird Accessible, Scarborough | 
| Bm | Burlingham | 
| Bn | Bariban | 
| Bnn | Binnie | 
| Bollore | Bollore | 
| Bom | Bombardier | 
| Bond | Bond | 
| Br | Booker | 
| Bradshaw | Bradshaw | 
| Brc | Bruce | 
| Bre | Bracebridge | 
| Brecon | Brecon Coachworks | 
| British Trailer Co/Sy | British Trailer Co/Samlesbury | 
| Brook Miller | Brook Miller | 
| Brown & Hughes | Brown & Hughes | 
| Bru | Brush | 
| Bs | Beulas | 
| Btn | Barton | 
| Bu | Burrows | 
| Buckingham | Buckingham | 
| Burillo | Burillo | 
| Burlingham & Richardson | Burlingham & Richardson | 
| BusConcept | BusConcept | 
| Buscraft | Buscraft | 
| Bush & Twiddy | Bush & Twiddy | 
| Bustech | Bustech | 
| Bvy | Bovey | 
| Bwn | Bowen | 
| Byn | Bryson | 
| C&C | Cars & Commercials | 
| CAMO | CAMO | 
| CC | Chorley Coachcraft | 
| CCMC | Cycle Components Manufacturing Company | 
| CCr | Car Chair | 
| CD | Chassis Developments | 
| CIE | Coras Iompair Eireann | 
| CJ Conversions | CJ Conversions | 
| CMB | China Motor Bus | 
| CRRC | CRRC | 
| CRV | Commercial Road Vehicles | 
| CSC | Coventry Steel Caravans | 
| CSM | C.S.M., Lancashire | 
| CSm | CoachSmith | 
| CSv | Commercial Services | 
| CVB | Commercial Vehicle Builders | 
| CVB/Wt | Commercial Vehicle Builders/Wright | 
| CVE | City Vehicle Engineering | 
| CVI | Commonwealth Vehicle Industries | 
| CVS | Commercial Vehicle Developments | 
| CWr | Coachwork-Walker | 
| Ca | Castrosua | 
| Cacc | Cacciamali | 
| Cadogan | Cadogan | 
| Car.Ind | Car.Ind | 
| Careline | Careline | 
| Carmichael | Carmichael | 
| Carrier | Carrier | 
| Carrus | Carrus | 
| Carser | Carser | 
| Cb | Carbodies | 
| Cbow | Crossbow | 
| Cby | Cosby | 
| Ce | Carlyle | 
| Cen | Central Coachcraft | 
| Cento | Cento Group | 
| Cf | Coachcraft | 
| Ch | Churchill | 
| ChC | Cheshire Continental | 
| Challands Ross | Challands Ross | 
| China Kong | China Kong | 
| Chr | Chrysler | 
| Christchurch Tramway | Christchurch Tramway | 
| Chua Heng | Chua Heng | 
| Cibro | Cibro | 
| Ck | Clark | 
| Cl | Customline | 
| Clarks | Clarks | 
| Clin | Coachliners | 
| CmDg | Custom Denning | 
| Cn | Cravens | 
| Cntr | Centaur, Sidcup | 
| Cny | Catney | 
| Co | Caetano | 
| Co-Op | Co-Op | 
| CoTrim | CoTrim | 
| Coach Design | Coach Design | 
| Coachmaster | Coachmaster | 
| Cobus | Cobus | 
| ComE | Commonwealth Engineering | 
| Combi | Combi | 
| Comp | Composite Mobility BV | 
| Cons | Constable | 
| Corporate Vehicle Conversions | Corporate Vehicle Conversions | 
| Cottenham | Cottenham | 
| Cpt | Concept | 
| Cr | Cocker | 
| CrBs | CarBus | 
| Crawley-Ridley | Crawley-Ridley | 
| Crerar | Crerar | 
| Crest | Crest | 
| Croall | Croall | 
| Crown | Crown | 
| Csd | Courtside | 
| Csn | Cowieson | 
| Ct | Croft | 
| Ctn | Citroen | 
| Cu | Cunliffe | 
| Cuby | Auto-CUBY | 
| Custom | Custom | 
| Custom Coaches | Custom Coaches | 
| Cw | Charterway Coachcraft | 
| CwC | Charterway Cocker | 
| Cwk | Coachwork Conversions | 
| Cwt | Cartwright | 
| Cy | Crossley | 
| CyCoach | CyCoach | 
| Cym | Cymric | 
| Cys | Crystals | 
| DAB | DAB | 
| DAF | DAF | 
| DBs | Durabus | 
| DC | Devon Conversions | 
| DCB | Devon Coachbuilders | 
| DCc | Devon Coachcraft | 
| DL | Dixon Lomas | 
| DM | Duple Midland | 
| DMc | Duple Metsec | 
| DMc/Ar | Duple Metsec/Alexander | 
| DMc/Co | Duple Metsec/Caetano | 
| DMc/EL | Duple Metsec/East Lancashire | 
| DMc/NC | Duple Metsec/Northern Counties | 
| DN | Duple Northern | 
| DUT | Dublin United Tramways | 
| DVB | Dublin Vehicle Builders | 
| Da | Davies, Merthyr | 
| Dacia | Dacia | 
| Daihatsu | Daihatsu | 
| Dat | Datsun | 
| Dd | Dutfield | 
| De | Dodge | 
| De Dion-Bouton | De Dion-Bouton | 
| Denning | Denning | 
| Denolf & Depla | Denolf & Depla | 
| Designline | Designline | 
| Dg | Williams Deansgate | 
| Dickson | Dickson | 
| Dietrich | Dietrich | 
| Dm | Drogmoller | 
| Do | Dormobile | 
| Dodson | Dodson | 
| DonA | Donegal Automotive Services | 
| Dotto | Dotto | 
| Dp | Devcoplan | 
| Dragoman | Dragoman | 
| Drv | Driveline | 
| Ds | Dennis | 
| Du | Duple | 
| Du/Ce | Duple/Carlyle | 
| Duffy-McArdle | Duffy-McArdle | 
| Dwy | Dewey, Newcastle | 
| Dy | Duffy | 
| Dyn | Dynamo Motor Company | 
| EABO | EABO | 
| EC | Eastern Counties | 
| ECC | European Coach Conversions, Hamble | 
| ECV | Eco City Vehicles | 
| ECW | Eastern Coach Works | 
| ECb | Electric Cab | 
| EEC | English Electric | 
| EL | East Lancashire | 
| ELB | East Lancashire (Bridlington) | 
| EOS | EOS | 
| EVM | EVM | 
| Eaton | Eaton | 
| Ebusco | Ebusco | 
| Ech | Euro Coach Builders, Bunbeg | 
| Ecy | Economy | 
| Edghill | Edghill | 
| Ee | Elme | 
| Elite | Elite Conversions, Doncaster | 
| Enasa | Enasa | 
| Ent | Enterprise | 
| Enterprise Engineering | Enterprise Engineering | 
| Erd | Erduman | 
| Erener | Erener | 
| Essbee | Essbee, Coatbridge | 
| Eurm | Euromotive | 
| Euro | Euro | 
| Evn | Eurovan | 
| EvoPro | EvoPro | 
| Eworc | Eworc | 
| Exceed | Exceed | 
| Excel | Excel | 
| Express | Express | 
| FAB | FAB | 
| FFG | FFG | 
| FGy | Frank Guy, Clay Cross | 
| FHI | Fuji Heavy Industries | 
| FI | Federated Industries | 
| FR | Freight Rover | 
| Farebus | Farebus | 
| Fast | Fast Concept Car | 
| Fd | Ford | 
| Fd/Taxi & Bus Conversions | Fd/Taxi & Bus Conversions | 
| FdL | Fleur-de-Lys, Newark | 
| Fer | Ferqui | 
| Fk | Fishwick | 
| Flxible | Flxible | 
| Fn | Foden | 
| Forbes Brebner | Forbes Brebner | 
| Foton | Foton | 
| Fr | Fowler | 
| Freighter | Freighter | 
| Fromant/Spt | Fromant/Spt | 
| Fs | Francis | 
| Ft | Fiat | 
| G&A | Gray & Adams | 
| G&M | G & M | 
| GAC | GAC | 
| GAC/CIE | GAC/Coras Iompair Eireann | 
| GBV | GBV New Zealand | 
| GCS | G C Smith | 
| GER | Great Eastern Railway | 
| GFOC | Gosport & Fareham Omnibus Company | 
| GM | GM Coachwork | 
| GMC | General Motors Corp (US) | 
| GMW | General Motor Works | 
| GN | Gurney Nutting | 
| GNOS | Great North of Scotland Railway | 
| GNR | Great Northern Railway (Ireland) | 
| GRCW | Gloucester Railway Carriage & Wagon | 
| GWR | Great Western Railway | 
| Garic | Garic Hire, Bury | 
| Garrett | Garrett | 
| Geely | Geely | 
| Gemilang | Gemilang | 
| Geopax | Geopax | 
| Gib | Gibson | 
| Glasgow City Council | Glasgow City Council | 
| Glasgow Corporation | Glasgow Corporation | 
| Glen | Gleneagles | 
| Global | Global | 
| Goliath | Goliath | 
| Goppel | Goppel | 
| Gowr | Gowrings Mobility | 
| Graf&Stift | Graf&Stift | 
| Grose | Grose | 
| Gruau | Gruau | 
| Gursozler | Gursozler | 
| Gvr | Glover, Knaresborough | 
| Gy | Guy | 
| HC | Hispano Carrocera | 
| HCB | HCB Angus | 
| HG | Hawson Garner | 
| HK | local (Hong Kong) | 
| HL | Hall Lewis | 
| HTI | H.T.I. | 
| Ha | Harwin | 
| Han | Hanlon | 
| Hawke | Hawke | 
| Hazlemere | Hazlemere | 
| Hdw | Holdsworth | 
| Heg | Heggie | 
| Hess | Hess | 
| Hg | Hosking | 
| Hickman | Hickman | 
| Higer | Higer | 
| Hind | Hind | 
| Hk | Holbrook | 
| Hks | Harkness | 
| Hn | Harrington | 
| Hn or Stn | Harrington or Strachan | 
| Ho | Hino | 
| Hope | Hope | 
| Hora | Hora | 
| Hr | Heaver | 
| Hurst Nelson | Hurst Nelson | 
| Hwl | Howletts | 
| Hws | Howells, Deri | 
| Hyl | Hoyal | 
| Hyn | Hyundai | 
| Hz | Heuliez | 
| IH | International Harvester | 
| IM | Irmaos Mota | 
| ITK | ITK Holding | 
| Ibs | Irisbus | 
| Il | Imperial | 
| Iles | Ilesbus | 
| Ind | Indcar | 
| Independence | Independence | 
| Integralia | Integralia | 
| Intercoach | Intercoach | 
| Io | Iveco | 
| Ir | Irizar | 
| Irv | Irvine | 
| Is | Ikarus | 
| Iu | Isuzu | 
| Iy | Interbility, Stevenage | 
| JDC | John Dennis Coachbuilders | 
| JNS Lift | JNS Lift | 
| Jackson | Jackson, Dunfermline | 
| Jay | Jaycas | 
| Jb | Jubilee | 
| Je | Jonckheere | 
| Jg | Jennings | 
| Jiangxi | Jiangxi | 
| Jit Luen | Jit Luen | 
| Jk | Jenkins | 
| Jn | Jensen | 
| JoL | Jones, Llanidloes | 
| Johnstone | Johnstone | 
| Joost | Joost | 
| Js | Jeffreys | 
| Junction | Junction | 
| K&I | K & I, Dalkeith | 
| KB | K.B. | 
| KC | KC Mobility, Batley | 
| KFS | KFS, Andover | 
| KL | King Long | 
| KMB | KMB | 
| KMC | Kaisis Motor Company | 
| KR, Sidcup | KR, Sidcup | 
| KSV | Kinetic Specialist Vehicles, Ticton | 
| KT | King & Taylor | 
| KVC | Kilbeggan Vehicle Conversions | 
| KW | K.W. | 
| Ka | Setra | 
| Kapena | Kapena | 
| Karsan | Karsan | 
| Kei | Keillor | 
| Kelly | Kelly | 
| Kia | Kia | 
| Kinetic | Kinetic | 
| Kiwi | Kiwi Bus Builders | 
| Km | Kirkham | 
| Knn | Kenning | 
| Koch | Karl Koch | 
| Koukoulides | Koukoulides | 
| Kr | Karrier | 
| Kravtex | Kravtex | 
| Krystal | Krystal | 
| Ks | VDL Kusters | 
| Ksn | Karsan Otomotiv | 
| Kutsenits | Kutsenits | 
| Kutter | Kutter | 
| Kx | Kenex | 
| LAC | Lancashire Aircraft | 
| LAG | LAG | 
| LCB | Leicester Carriage Builders | 
| LCC | Lancashire Carriage | 
| LCM | Luton Commercial Motors | 
| LCT | Liverpool Corporation Transport | 
| LDV | LDV | 
| LEVC | London Electric Vehicle Company | 
| LG | Longwell Green | 
| LGOC | London General Omnibus Company | 
| LHE | L.H.E. | 
| LL | London Lorries | 
| LMSR | London, Midland & Scottish Railway | 
| LN | Leyland National | 
| LNWR | London & North Western Railway | 
| LPTB | London Passenger Transport Board | 
| LR | Land Rover | 
| LT | Lex Tillotson | 
| LTr | Lincs Trailer | 
| Lah | Lahden | 
| Lahti | Lahti | 
| Lam | Lambourn | 
| Lambert | Lambert | 
| Ld | Leyland | 
| Ld-PCT | Leyland-Preston Corporation Transport | 
| Leaman | Leaman | 
| Lee | Lee | 
| Leinster | Leinster | 
| Lewis & Crabtree | Lewis & Crabtree | 
| Lewis Reed | Lewis Reed | 
| Lex | Lex | 
| Lfd | Longford, Neath | 
| Lh | Leith | 
| Liannex | Liannex | 
| Lito | Lito | 
| Ln | Lawton | 
| Lo | Locomotors | 
| Lockitt St Motors, Crewe | Lockitt Street Motors, Crewe | 
| Lonsdale | Lonsdale | 
| Lor | Lorraine | 
| Lorry | Lorry | 
| Lrd | Longford, Eire | 
| Ls | Lomas | 
| Lydney | Lydney | 
| Lyndon | Lyndon | 
| M Trans | M Trans | 
| M&B | Myers & Bowman | 
| MABI | MABI | 
| MAN | M.A.N. | 
| MB | Mercedes-Benz | 
| MB/Jb | Mercedes-Benz/Jubilee | 
| MBA | Motor Body Assemblers | 
| MBS | Motor Bodies, Stratford | 
| MC | Metro-Cammell | 
| MCC | Midland Coach Concepts | 
| MCV | MCV (Manufacturing Commercial Vehicles) | 
| MCV/Soon Chow | MCV/Soon Chow | 
| MCW | Metro-Cammell Weymann | 
| ME | Mann Egerton | 
| MGt | Mountain Goat | 
| MH | M.H. Cars | 
| MM | Made to Measure | 
| MMCI | Macedonian Motor Coach Industries | 
| MRe | Mountain Range | 
| MS | Metal Sections | 
| MSe | More Style | 
| MW | Martin Walter | 
| MWr | Metro-Wilker | 
| MacN | MacNeillie, Walsall | 
| Manchester Corporation | Manchester Corporation | 
| Margham | Margham | 
| Marks | Marks | 
| Marsden | Marsden | 
| May | Mayflower | 
| McElmeel | McElmeel Mobility Services | 
| McL | McLay | 
| McLennan | McLennan, Spittalfield | 
| Md | Mumford | 
| Me | Mellor | 
| Merryweather | Merryweather | 
| Metcalfe | Metcalfe | 
| Mi | Mitsubishi | 
| Mid | Midland, Eire | 
| Midland | Midland | 
| Milnes | Milnes | 
| MinO | Minibus Options | 
| MinW | Minibus World | 
| Mitchell (Glasgow) | Mitchell (Glasgow) | 
| Mitchell (Greenock) | Mitchell (Greenock) | 
| Ml | Marshall | 
| Mly | Maudslay | 
| Mn | Martin | 
| Mo | Moseley | 
| Mobi | MOBIPeople | 
| Mph | Murphy, Dundalk | 
| Mpo | Marcopolo | 
| Mr | Mulliner | 
| Ms | Morris | 
| Mt | Metalcraft | 
| Mudan | Mudan | 
| My | Massey | 
| Mza | Mazda | 
| NC | Northern Counties | 
| NCB | Northern Coachbuilders | 
| NEM | North Eastern Motors | 
| NERLY | North Eastern Railway | 
| NEV | North Eastern Vehicle Builders | 
| NGT | Northern General Transport | 
| NIRTB | Northern Ireland Road Transport Board | 
| NMU | Northern Motor Utilities | 
| NWC | North West Coachcraft | 
| NWCS | North West Coach Sales | 
| NZMB | New Zealand Motor Bodies | 
| Nd | Neepsend | 
| Nikas | Nikas | 
| Nn | Nissan | 
| Noge | Noge | 
| Noone | Noone | 
| Nottinghamshire County Council | Nottinghamshire County Council | 
| Nudd | Nudd Brothers & Lockyer | 
| Nuk | Nu-Track | 
| Nuova | Nuova | 
| O&H | Oughtred & Harrison | 
| O'Kelly | O'Kelly | 
| OBC | Omni Bus & Coach | 
| OCC | Omni Coach Company | 
| OVI | O.V.I. | 
| Oakley | Oakley | 
| Obradors | Obradors | 
| Oc | Ormac | 
| Oe | Optare | 
| Oe/Bence | Optare/Bence | 
| Oe/Torton | Optare/Torton | 
| Oly | Olympus | 
| OmniNova | OmniNova | 
| Onyx | Onyx | 
| Opel | Opel | 
| Ota | Oatia | 
| Otkr | Otokar | 
| Owen | Owen | 
| PCT | Preston Corporation Transport | 
| PCW, Rufford | PCW, Rufford | 
| PG | Pilcher-Greene | 
| PH Conversions | PH Conversions | 
| PIC | Phoenix | 
| PMC | Pressed Metal Corporation | 
| PMT | P.M.T. | 
| POW | Post Office Workshops | 
| PPS, Radcliffe | PPS, Radcliffe | 
| PR | Park Royal | 
| PR/CRV | Park Royal/Commercial Road Vehicles | 
| PR/Ld | Park Royal/Leyland | 
| PSV | PSV International | 
| PVB | Pentagon | 
| PVI | PVI | 
| Pa | Padane | 
| Pacific Tur | Pacific Tur | 
| Panayi | Panayi | 
| Paneltex | Paneltex | 
| Papadakis | Papadakis | 
| Papworth | Papworth | 
| Parfit | Parfit | 
| Path | Pathfinder | 
| Pe | Pennine | 
| Pegasus | Pegasus | 
| Penman | Penman | 
| Petty | Petty | 
| Pg | Pickering | 
| Phall | Prestonhall | 
| Phoenix | Phoenix | 
| Pi | Pilcher | 
| Picktree | Picktree | 
| Pike | Pike | 
| Pl | Pearl | 
| Pn | Plaxton | 
| Po | Pochin | 
| Pocklington Coachworks | Pocklington Coachworks | 
| Porteous | Porteous | 
| Portsmouth Aviation | Portsmouth Aviation | 
| Prem | Premier | 
| Prmt | Paramount | 
| Ps | Pampas | 
| Psn | Pearson | 
| Pt | Peugeot | 
| Ptr | Potters | 
| Queen's Park | Queen's Park | 
| Quorn | Quorn | 
| RB | Reeve Burgess | 
| RES | Ribble Engineering Services | 
| RH | Robin Hood | 
| RJ | Ramseier & Janzer | 
| RKC | Red Kite Conversions | 
| RSJ | Ransomes, Sims & Jefferies | 
| RSy | Rollinson Safeway | 
| Ramsden | Ramsden | 
| Rap | Rapier | 
| Re | Rowe | 
| Reeve & Kenning | Reeve & Kenning | 
| Rg | Reading | 
| Rimmer, Harrison & Sutherland | Rimmer, Harrison & Sutherland | 
| Rl | Reall | 
| Rne | Raine | 
| Ro | C. Roberts | 
| Robson | Robson | 
| Rodriguez Lopez | Rodriguez Lopez | 
| Roe | Roe | 
| Rogerson | Rogerson | 
| Roh | Rohill | 
| Rosebury | Rosebury | 
| Rosero | Rosero | 
| Rs | Rootes | 
| Rt | Renault | 
| S&B | S&B Commercials | 
| S&N | S&N | 
| SA | Scottish Aviation | 
| SAIC | SAIC Motor | 
| SC | Scottish Commercial | 
| SCAuto | SCAuto | 
| SCC | S.C. Coachbuilders | 
| SCWS | Scottish Cooperative | 
| SEM | S.E.M. | 
| SEWAT | South & East Wales Ambulance | 
| SH | South Hants | 
| SLS | S.L.S | 
| SM | Scunthorpe Motors | 
| SMT | Scottish Motor Traction | 
| SOE | SOE Bus Production | 
| SOL | Scottish Omnibuses | 
| STCRP | STCRP | 
| Saffle | Saffle | 
| Sas | Sanos | 
| Saxon | Saxon | 
| Sca | Scania | 
| Scarnif | Scarnif | 
| Sds | Saunders | 
| Se | Steedrive | 
| Seat | Seat | 
| Sercar | Sercar | 
| Servicar | Servicar | 
| Sh | Smith, Kettering | 
| Si | Silverdale | 
| Simpson | Simpson | 
| Sit | Sitcar | 
| Skoda | Skoda | 
| Sl | Sentinel | 
| Sm | Smit | 
| SmR | Smith, Reading | 
| Sn | Seddon | 
| So | Saro (Saunders-Roe) | 
| Solrs | Solaris | 
| Soon Chow | Soon Chow | 
| South Antrim Coachworks | South Antrim Coachworks | 
| Southampton Corporation | Southampton Corporation | 
| Southend Corporation | Southend Corporation | 
| Spg | Spurling | 
| Spicer | Spicer | 
| Spt | Sparshatt | 
| Srt | Short | 
| Ssd | Sunsundegui | 
| St | Stewart | 
| StaCo | StaCo | 
| Stan | Stanford | 
| Steventon | Steventon | 
| Stn | Strachan | 
| Strachan & Brown | Strachan & Brown | 
| Straker-Squire | Straker-Squire | 
| Sts | Santus | 
| Stt | Scott | 
| Sun Cheong | Sun Cheong | 
| Sunlong | Sunlong Bus | 
| Sup | Superior | 
| Supreme Star | Supreme Star | 
| SwCh | Swansea Coachworks | 
| Swain | Swain | 
| Swit | Switch Mobility | 
| Sy | Samlesbury | 
| Syd Wood | Syd Wood | 
| Sydney | Sydney | 
| Symons & Fowler | Symons & Fowler | 
| T&B | Taxi & Bus Conversions | 
| TAM | TAM | 
| TAZ | T.A.Z. | 
| TBP | T.B.P. | 
| TU | Trans-United | 
| TVAC | The Vehicle Application Centre | 
| Ta | Toyota | 
| Tawe | Tawe | 
| Taylor | Taylor | 
| Taylor (Eaton) | Taylor (Eaton) | 
| Tb | Talbot | 
| Tbs | Transbus | 
| Td | Thurgood | 
| Te | Theale | 
| Tecnobus | Tecnobus | 
| Tek | Tekaydinlar | 
| Tempo | Tempo | 
| Thomas | Thomas | 
| Tilling | Tilling | 
| Tilling or Dodson | Tilling or Dodson | 
| Tl | Tricentrol | 
| Tmsa | TEMSA | 
| Tn | Trojan | 
| Tomassini | Tomassini | 
| Torc | Torc | 
| TransLinc | TransLinc | 
| Trek | Trek Minibus | 
| Treka | Treka | 
| Trem | Tremonia Mobility | 
| Tribus | Tribus | 
| Trimbakiri | Trimbakiri | 
| Truckoman | Truckoman | 
| Ts | Taurus | 
| Tt | Thornycroft | 
| Tvn | Tiverton | 
| UCC | Union Construction Company | 
| UECC | United Electric Car Company | 
| UNVI | UNVI | 
| UTA | Ulster Transport Authority | 
| UTIC | UTIC | 
| UVG | U.V.G. | 
| UVM | UV Modular | 
| UVS | UVS (Upholstery Vehicle Services) | 
| Ubs | Ulsterbus | 
| Ugarte | Ugarte | 
| Union Auto | Union Auto | 
| United | United | 
| Univ | Universal, Reading | 
| Ur | Unicar | 
| Urban | Urban | 
| VCL | Vehicle Conversions Ltd, Crewe | 
| VCS | Vehicle Conversion Specialists, Bradford | 
| VDL | VDL | 
| VFS | VFS (Southampton) Ltd | 
| VH | Van Hool | 
| VHM | Van Hool McArdle | 
| VM | Vehicle Maintenance | 
| VP | VanPlan | 
| VR | Van Rooijen | 
| VTh | P.E. Van Technology | 
| VW | Volkswagen | 
| VW/BMl | Volkswagen/BMI | 
| Van | Van | 
| Venari | Venari | 
| Versa | Bristol Street Versa | 
| Verve | Verve | 
| Vest | Vest | 
| Vft | Videofit Systems | 
| Vgn | Volgren | 
| Vgr | Voyager MPV, Crewe | 
| Viamax | Viamax | 
| Viasa | Viasa | 
| Vic Young | Vic Young Conversions | 
| Vickers | Vickers | 
| Vn | Vulcan | 
| Vo | Volvo | 
| Volta Mobility | Volta Mobility | 
| Vt | Vincent | 
| Vx | Vauxhall | 
| Vxl | Vehixel | 
| WAS | Wietmarscher Ambulanz- und Sonderfahrzeu | 
| WH | Wallace Harper | 
| WJ | Wright Jenkins | 
| WJW | WJW Conversions, Walsall | 
| WM | Wilks & Meade | 
| WMB | Walsall Motor Bodies | 
| WMI | Welsh Metal Industries | 
| WN | Westnor | 
| WNH | Woodall Nicholson, Halifax | 
| WS | Wadham Stringer | 
| WU | Waggon Union | 
| WW | Wright, Wishaw | 
| WY | Yorkshire Equipment | 
| Wa | Walker, Aberdeen | 
| Warner | Warner | 
| Watt | Watt | 
| Wayne | Wayne | 
| Wdm | Wadham | 
| We | Westgate | 
| Wensum | Wensum | 
| Wey | Weymann | 
| Wh | Whittaker | 
| Whn | Whitson | 
| Wi | Wilsdon | 
| Wiima | Wiima | 
| Wilker | Wilker | 
| Willett | Willett | 
| Willmott | Willmott | 
| Wilton | Wilton | 
| Wise | Wise | 
| Withnell | Withnell | 
| Wk | Willowbrook | 
| Wkr | Walker, Watford | 
| Wl | Willenhall | 
| Wnr | Warnerbus | 
| Wr | Windover | 
| Wre | Whitacres | 
| Wt | Wright | 
| Wtn | Watson | 
| Wy | Waveney | 
| Wycombe | Wycombe | 
| YY | Yorkshire Yacht | 
| YoungMan | YoungMan | 
| Ys | Yeates | 
| Ytg | Yutong | 
| Zhongtong | Zhongtong Bus | 
| Zod | Zodiac | 
| Zuyih | Zuyih |