| BMW | BMW |
| Bultaco | BUL |
| Can-Am Bombardier | CAB |
| Chaparral | CHA |
| Cheeta | CHE |
| Ducati | DUC |
| Fox | FOX |
| Harley Davidson | HAR |
| Heald | HEA |
| Hercules | HER |
| Hodaka | HOD |
| Honda | HON |
| Husqvarna | HUS |
| JAWA/CZ | JAW |
| Kawasaki | KAW |
| KTM | KTM |
| Laverda | LAV |
| Moto Benilli | BEN |
| Moto Guzzi | GUZ |
| Moto Morini | MOR |
| MV Agusta | MVA |
| Norton Triumph | TRI |
| Rokon | ROK |
| Suzuki | SUZ |
| Yamaha | YAM |
| AMF | AMF |
| Benelli | BEL |
| Califfo | CAL |
| Carabela | CAR |
| Cimatti | CIM |
| Columbia | COL |
| E-Z Rider | EZR |
| Flying Dutchman | FLY |
| Foxi | FOI |
| Gadabout | GAD |
| Garelli | GAR |
| Gitane | GIT |
| Honda | HON |
| Indian | IND |
| Intramotor | INT |
| Italvelo | ITA |
| Kreidler | KRE |
| Lazer | LAZ |
| Malagati | MAL |
|
Code of Federal Regulations
137
|
|
| Morini | MOI |
| Motobecane/Solex | MBE |
| Moto Guzzi | GUZ |
| Negrini | NEG |
| Odyssey | ODY |
| Pacer | PAC |
| Pack-A-Way | PAK |
| Peugeot | PEU |
| Puch | PUC |
| Riviera | RIV |
| Sachs | SAC |
| Safari | SAF |
| Scorpion | SCO |
| Smily | SMI |
| Snark | SNA |
| Sori II | SON |
| Speed Bird | SPE |
| Sprinter | SPR |
| SuVega | SUV |
| Tomas | TOM |
| Vaespa | VES |
| Yankee Peddler | YAN |