| Storbritannien | Storbrit. forts. | Storbrit. forts. | Storbrit. forts. |
| ABBOTSFORD | BEARDMORE-PRECISION | CMM | ECONOMIC |
| ABC | BEAUFORT | COLONIAL | EDMONTON |
| ABERDALE | BEAU-IDEAL | COMERFORD-WALLIS | ELF-KING |
| ABINGDON | BEAUMONT | COMERY | ELFSON |
| ABJ | BEESTON | COMET | ELI |
| ACME | BERWICK | COMMANDER | ELMDON |
| ADVANCE | BINKS | CONDOR | ELSWICK |
| AEL | BIRCH | CONNAUGHT | EMC |
| AEOLUS | BLACKBURNE | CONSUL | ENDRICK |
| AER | BLACKFORD | CORAH | ENDURANCE |
| AIROLITE | BLACK-PRINCE | CORGI | ENERGETTE |
| AJAX | BLUMFIELD | CORONA | ETA |
| AJR | BOND | CORONA-JUNIOR | EVART-HALL |
| AJS | BOOTH | COTTON | EXCELSIOR |
| AJW | BORD | COULSON-B | FAIRFIELD |
| AJW | BOUNDS-JAP | COVENTRY ALERT | FARNELL |
| AKD | BOWDEN | COVENTRY-B & D | FEDERATION |
| AKKENS | BRADBURY | COVENTRY-CHALLENGE | FEE |
| ALECTO | BRITAX | COVENTRY-EAGLE | FEW-PARAMOUNT |
| ALERT | BRITISH-RADIAL | COVENTRY-MASCOT | FLM |
| ALLDAYS | BRITISH-STANDARD | COVENTRY-VICTOR | FORWARD |
| ALLON | BROUGH | CREST | FRANCIS-BARNETT |
| ALP | BROUGH-SUPERIOR | CROFT-CAMERON | GABY |
| AMBASSADOR | BROWN | CROWNFIELD | GADABOUT |
| AMC | BROWN-BICAR | CRYPTO | GAMAGE |
| ANGLIAN | BSA | CYC-AUTO | GB |
| ARAB | BULLDOG | CYKELAND | Greeves |
| ARDEN | BURFORD | DALTON | Hesketh |
| ARIEL | BURNEY | DANE | HRD |
| ARMIS | CALCOTT | DART | Humber |
| ARMSTRONG | CALTHORPE | DAW | James |
| ARNO | CALVERT | DAVENTRY | Matchless |
| ARROW | CAMBER | DAVISION | New Hudson |
| ASCOT | CAMPION | DAY-LEEDS | Norman |
| ASCOT-PULLIN | CARFIELD | DAYTON | Norton |
| ASHFORD | CARLTON | DE HAVILLAND | OEC |
| ASL | CASTELL | DEFY-ALL | Panther |
| ASSOCIATED-MOTOR CYCLES | CASWELL | DENELL | Ralieigh |
| ASTON | CAYENNE | DERBY | Rickman |
| ATLAS | CC | DESPATCH RIDER | Rover |
| AURORA | CCM | DIAMOND | Royal Enfield |
| AUSTEN | CEDOS | DIFAZIO | Rudge |
| AUSTIN | CENTAUR | DIMENSION FOUR | Scott |
| AUTOGLIDER | CENTURY | DKR | Silk |
| AUTOSCO | CHARLTON | DMW | Simson |
| AVON | CHASE | DOT | Stanley |
| AYRES-HAYMAN | CHAT YAMAHA | DOUGLAS | SUN |
| B & D JUNIOR | CHATER | DREADNOUGHT | Sunbeam |
| BAC | CHATER LEA | DUNELT | Tandon |
| BAKER | CHELL | DUNKLEY | Triton |
| BANSHEE | CHENEY-TRIUMPH | DUNSTALL | Triumph |
| BARNES | CIE | DUX | Wasp |
| BARNETT | CLARENDON | DUZMO | Watsonian |
| BARON | CLEMENT-GARRARD | DYSON-MOTORETTE | Velocette |
| BARTER | CLEVELAND | EADIE | Vincent - HRD |
| BAT | CLYDE | EAGLE-TANDEM | Wooler |
| BAUGHAN | CLYNO | EBO | Zenith |