| 6101 | FRVG | FROESE VEGETABLES INC | | | SCAC4 |
| 6102 | FRVL | FRONTIER VAN LINES INC | | | SCAC3 |
| 6103 | FRVM | FREIGHT MOVERS | | | SCAC4 |
| 6104 | FRVN | FREEDOM VAN LINES | | | SCAC3 |
| 6105 | FRVP | FRASERWAY RV LP | | | SCAC4 |
| 6106 | FRVQ | FRESNO VAN & STORAGE CO | | | SCAC3 |
| 6107 | FRVR | Fox Valley & Western, Ltd. | added 1/1994; 7/2000 | | NAKINA |
| 6108 | FRVR | Fox River Valley R.R. Corp. | added 4/1989; eliminated 1/1994 | | NAKINA |
| 6109 | FRVR | Fox River Valley R.R. Corp. | added 4/89; eliminated 1/94 | | NRHS |
| 6110 | FRVR | Fox Valley & Western, Ltd. | added 1/94; 7/2000 | | NRHS |
| 6111 | FRVR | WISCONSIN CENTRAL [FOX VALLEY & WESTERN, LTD.; FOX RIVER VALLEY RAILROAD] | | | PWRC |
| 6112 | FRVR | Fox Valley and Western | | | RSRV |
| 6113 | FRVR | FOX RIVER VALLEY RAILROAD CORPORATI | | | SCAC3 |
| 6114 | FRVR | Fox River Valley R.R. Corp. | | USA | TRAFFIC |
| 6115 | FRVS | FALLON MOVING & STORAGE INC | | | SCAC4 |
| 6116 | FRVT | Fore River Transportation Corp. | 7/2005 (not listed) | | NAKINA |
| 6117 | FRVT | FORE RIVER TRANSPORTATION CORP. | | | PWRC |
| 6118 | FRVT | FORE RIVER TRANSPORTATION CORPORATI | | | SCAC4 |
| 6119 | FRVV | FLETES RAPIDOS VILI | | | SCAC4 |
| 6120 | FRW | Farwest Airlines, Inc. | Callsign: Farwest, Commenced operations in August 1994. Ceased operations in November 1994. | USA | AVCODES |
| 6121 | FRW | Farwest Airlines | | | ICAO1 |
| 6122 | FRWB | FRY-WAGNER MOVING & STORAGE CO (BEL | | | SCAC4 |
| 6123 | FRWC | FRONTIER TOWING INC | | | SCAC4 |
| 6124 | FRWD | FORWARDERS SERVICE CO INC | | | SCAC3 |
| 6125 | FRWI | FORWARDERS INC | | | SCAC3 |
| 6126 | FRWI | FOURWINDS TRANSPORTATION INC | | | SCAC4 |
| 6127 | FRWJ | FRETWELL, JAMES INC | | | SCAC3 |
| 6128 | FRWK | FREEWAY TRANSPORT | | | SCAC3 |
| 6129 | FRWK | FIREWORKS PRODUCTIONS INC | | | SCAC4 |
| 6130 | FRWL | FRANCIS & WALTERS TRUCKING | | | SCAC3 |
| 6131 | FRWM | FRY-WAGNER SYSTEMS INC | | | SCAC3 |
| 6132 | FRWM | FRY-WAGNER MOVING & STORAGE CO | | | SCAC4 |
| 6133 | FRWN | FARWESTERN COMPANY TRUCKING DIV INC | | | SCAC3 |
| 6134 | FRWN | FRASWERWAY R V CENTRE LTD | | | SCAC4 |
| 6135 | FRWO | FAIRWAY TRANSPORTATION INC | | | SCAC3 |
| 6136 | FRWO | FRY-WAGNER MOVING & STORAGE CO (COL | | | SCAC4 |
| 6137 | FRWP | FREEWAY EXPRESS INC | | | SCAC3 |
| 6138 | FRWP | FRY-WAGNER MOVING & STORAGE CO (SPR | | | SCAC4 |
| 6139 | FRWQ | FARWEST TRANSPORTATION INC | | | SCAC4 |
| 6140 | FRWT | FREEWAY TRANSPORT INC | | | SCAC3 |
| 6141 | FRWT | FOURTH ARROW TRUCKING INC | | | SCAC4 |
| 6142 | FRWW | FOUR (4) REFUEL WASHINGTON LP | | | SCAC4 |
| 6143 | FRWY | FREEWAY EXPRESS INC | | | SCAC4 |
| 6144 | FRX | Fort Aero | Callsign: Fort Aero, | EST | AVCODES |
| 6145 | FRXA | FREIGHT RUNNERS EXPRESS | | | SCAC4 |
| 6146 | FRXB | FOUR (4) R'S TRANSPORTATION LLC | | | SCAC4 |
| 6147 | FRXE | FREDS EXPRESS | | | SCAC3 |
| 6148 | FRXE | FAROEX LTD | | | SCAC4 |
| 6149 | FRXH | FLORES TRANSPORTATION | | | SCAC4 |
| 6150 | FRXI | FLORIDA FROZEN FOODS & SOUTHEAST FR | | | SCAC3 |
| 6151 | FRXL | FRITS TRANSPORTATION LLC | | | SCAC4 |
| 6152 | FRXM | FRONTIER EXPRESS | | | SCAC3 |
| 6153 | FRXN | FULLER TRANSPORTATION | | | SCAC4 |
| 6154 | FRXO | FOREX TRUCKING CO | | | SCAC3 |
| 6155 | FRXO | FOREX TRUCKING CO | | | SCAC4 |
| 6156 | FRXP | FRONTIER EXPRESS | | | SCAC3 |
| 6157 | FRXP | FRONTIER EXPRESS INCORPORATED | | | SCAC4 |
| 6158 | FRXQ | FIRST EXPRESS INTERNATIONAL | | | SCAC3 |
| 6159 | FRXR | FRESNO EXPRESS | | | SCAC3 |
| 6160 | FRXS | FREIGHT EXPORT SERVICES INC | | | SCAC3 |
| 6161 | FRXS | FLETES RIO EXPRESS S A DE C V | | | SCAC4 |
| 6162 | FRXT | FREDS EXPRESS & TRUCKING | | | SCAC3 |
| 6163 | FRXT | FOUR (4) REAL TRANSPORTATION | | | SCAC4 |
| 6164 | FRY | Fore River Ry. Co., Inc. | eliminated 10/1992; 1/1994 | | NAKINA |
| 6165 | FRY | Fore River Ry. Co., Inc. | eliminated 10/92; 1/94 | | NRHS |
| 6166 | FRY | RETIRED 04-03-92 (908) ATP [FORE RIVER RY.] | | | PWRC |
| 6167 | FRYA | FRARY, RICH TRUCKING | | | SCAC4 |
| 6168 | FRYB | FRYAR, BOBBY TRUCKING CO INC | | | SCAC3 |
| 6169 | FRYB | FAST REACTION DELIVERY SERVICE | | | SCAC4 |
| 6170 | FRYC | FRYE TRUCKING COMPANY INC | | | SCAC3 |
| 6171 | FRYD | FREY, DAVID S | | | SCAC3 |
| 6172 | FRYE | FRYER, HAROLD C | | | SCAC3 |
| 6173 | FRYE | FERME YVES BEDARD INC | | | SCAC4 |
| 6174 | FRYF | FRYE TRUCKING COMPANY | | | SCAC3 |
| 6175 | FRYF | FRY TRUCKING | | | SCAC4 |
| 6176 | FRYG | FRY TRUCKING | | | SCAC3 |
| 6177 | FRYH | FRY, HOWARD D | | | SCAC3 |
| 6178 | FRYH | FREYS HATCHERY LTD | | | SCAC4 |
| 6179 | FRYI | FRY, WILLIAM TRUCKING | | | SCAC3 |
| 6180 | FRYI | FR SYSTEMS INTERNATIONAL INC | | | SCAC4 |
| 6181 | FRYM | FRY, MARVIN R | | | SCAC3 |
| 6182 | FRYM | FREY MILLS INC | | | SCAC4 |
| 6183 | FRYN | FRY SALES AND EQUIPMENT CO | | | SCAC3 |
| 6184 | FRYO | FORRY TRANSPORT INC | | | SCAC4 |
| 6185 | FRYP | FRY CORPORATION | | | SCAC4 |
| 6186 | FRYQ | FRY BROTHERS COAL CO | | | SCAC3 |
| 6187 | FRYV | FILTER RECYCLING SERVICES INC | | | SCAC4 |
| 6188 | FRYX | Federated Railways Inc. | 7/2005 (not listed) | | NAKINA |
| 6189 | FRYX | Frye & Co. | 7/1930-4/1938; 1/1941-4/1961 (not listed) | | NAKINA |
| 6190 | FRYX | Frye Tank Line (Frye & Co.) | 7/1923 | | NAKINA |
| 6191 | FRYX | Frye & Co. | 4/38-4/61 | | NRHS |
| 6192 | FRYX | *FRYE & CO. [FRYE TANK LINE] | | | PWRC |
| 6193 | FRYX | +FEDERATED RAILWAYS, INC. | | | PWRC |
| 6194 | FRYX | FEDERATED RAILWAYS INC | | | SCAC4 |
| 6195 | FRZA | FORZA SHIPPING S A | | | SCAC4 |
| 6196 | FRZB | FRAZIER, BEN INC | | | SCAC3 |
| 6197 | FRZC | FRITZ MOVING COMPANY, INC | | | SCAC3 |
| 6198 | FRZE | FRAZIER TRUCKING COMPANY INC | | | SCAC3 |
| 6199 | FRZE | FERZA XPRESS S DE RL DE CV | | | SCAC4 |
| 6200 | FRZF | FFE TRANSPORTATION SERVICES, INC | | | SCAC3 |
