Vehicle Make Code List
| Make | Code |
| Alleycat | ACA |
| Acura | ACR |
| American LaFrance | ALF |
| Allianz | ALL |
| American | AME |
| American RoadMachinery | AMR |
| Aluminim Trailer Company | ANM |
| Apple Agri | APP |
| Asta | ASA |
| Assembled | ASM |
| Atlas | ATL |
| Automaster | ATO |
| Audi | AUD |
| AutoPlus | AUP |
| Balzer | BAL |
| Bigtex | B T |
| Buick | BCK |
| Bear | BEA |
| Bee-Line | BEL |
| Blazer | BLA |
| Bolinger | BLG |
| Blue Bird | BLU |
| BMW | BMW |
| Bobcat | BOB |
| Bridge | BRI |
| Butler | BUT |
| Cronkite | C K |
| Circle Z | C Z |
| Cadillac | CAD |
| Case | CAS |
| Caterpillar | CAT |
| Crane Carrier Company | CCC |
| Cargo Express | CGX |
| Champion | CHA |
| Chevrolet | CHE |
| Chem-Farm | CHF |
| Chrysler | CHR |
| Colonial | CLL |
| Club Car | CLU |
| Coach/Coachman | COA |
| Coleman | COL |
| Competition | COM |
| Carry On Trailers | COT |
| Corn Pro | CPR |
| Crowley | CRE |
| Cross | CROS |
| Crossroads | CRS |
| Continental Spacemaster Corp | CSC |
| Custom | CTM |
| Carter | CTR |
| Cushman | CUS |
| Ditch Witch | D W |
| Daihatsu Coure | DAI |
| Datsun | DAT |
| Dearborn Holmes | DBH |
| Dodge | DOD |
| Dorsey | DOR |
| Dietrich | DRC |
| Eagle | EGL |
| Evergreen | EVR |
| Ez GO | EZG |
| Featherlite | FEA |
| Fentratrailer | FEL |
| Ferocity | FER |
| Fleetwood | FLE |
| Fontaine | FON |
| Ford | FOR |
| Freightliner | FRT |
| Freuhauf | FRU |
| Forest River | FRV |
| Generator | GEE |
| Geigy | GEI |
| General Motors Corp. | GMC |
| Government - Surplus | GOV |
| Grain Wiegh | GRA |
| Great Dane | GTD |
| Gator | GTR |
| Haulmark | HAU |
| Haynes | HAY |
| Hyundai | HDI |
| Hoffines Garage | HG |
| Homeade | HMD |
| Homesteader | HMS |
| Honda | HON |
| Hummer | HUM |
| Hurst | HUR |
| Infiniti | INF |
| International | INT |
| Isuzu | ISU |
| Interstate | ITS |
| Jacobsen | JAC |
| Jaguar | JAG |
| Ja-Mar | JAM |
| Jayco | JAY |
| John Deere | JDR |
| Jeep | JEP |
| JFW | JFW |
| Jerry Jones | JJO |
| Jantz-Femco | JTF |
| JTJ (Manufacturer) | JTJ |
| Kent | K K |
| KZ | K Z |
| Kawasaki | KAW |
| Kubota | KBA |
| Kenworth | KEN |
| KIA | KIA |
| King | KNG |
| Logan Coach | L C |
| Landoll | LAN |
| Long Chiu | LCH |
| Load Max | LDM |
| Land Rover | LDR |
| Lexus | LEX |
| Liberty Industries | LIB |
| Lincoln | LIC |
| Load Trail | LOT |
| Lifetime | LTM |
| Magline | MAG |
| Mazda | MAZ |
| Motor Coach Ind. | MCI |
| Mack | MCK |
| Mercury | MER |
| Manufactured | MFC |
| Massey Ferguson | MFG |
| Modern Flow | MFW |
| Miller | MIL |
| Mini Cooper | MIN |
| Mitts Merrill | MIT |
| Mark Line | MKL |
| Mercedes Benz | MRB |
| Morgan | MRG |
| Marque | MRQ |
| Mitsubishi | MTS |
| National | NAN |
| New Holland | NHD |
| Nissan | NIS |
| Nomanco | NNC |
| Neoplan | NPN |
| Navistar International | NSI |
| Nuway | NWY |
| Oldsmobile | OLD |
| Oshkosh | OSH |
| Pace American | PCA |
| P J Trailer | PJT |
| Parker | PKR |
| Polaris | PLS |
| Plymouth | PLY |
| Pontiac | PON |
| Power Ray | POR |
| Prairie Schooner | PRA |
| Porsche | PSE |
| Rafter | RAF |
| Roadmaster | RDM |
| Rowing Shell Trailer | ROW |
| Rockwood Premier | RWP |
| Saab | SAB |
| Sampson | SAM> |
| Saturn | SAT |
| Subaru | SBU |
| Scion | SCI |
| Sherman & Riley | SHE |
| Sikestoy | SIK |
| Simon | SIM |
| Shorelander (Boat) | SLR |
| Smart | SMR |
| Summit | SMT |
| Snowco | SNO> |
| Southwest | SOW |
| Sparton | SPA> |
| Spaulding | SPG |
| Spacemaster | SPT |
| Spurgeon | SPU> |
| Sure Trac | SRT |
| Sterling | STE |
| 4-Star | STR |
| Suzuki | SUZ |
| Swanson | SWA |
| Schwartz | SWZ |
| Taylor-Dunn | T-D |
| Timpte | TIM |
| Tri-Quest | TIQ |
| T-Man | TMN |
| Townmotor | TOW |
| Toyota | TOY |
| Travco | TRA |
| Trail Blazer | TRB |
| Toro | TRO |
| Utilmaster | ULM |
| United | UNT |
| Vermeer | VER |
| Volkswagon | VOK |
| Volvo | VOL |
| Value Life | VUL |
| Woodchuck | WCK |
| Wells Cargo | WCO |
| Woodmizer | WDM |
| Workhorse Customs | WHC |
| Workshift | WKS |
| Wilson | WLS |
| Yacht Club | YAC |
| Yamaha | YAM |
| Zenn | ZEN |