| 1 | RU | Ryazan'- Urals Railway | RU | TRAFFIC | |
| 2 | RUA | Rwanda Airlines | ICAO1 | ||
| 3 | RUAD | RURAL AIR DELIVERY SERVICE INC | SCAC3 | ||
| 4 | RUAL | RUSSO, A & L | SCAC4 | ||
| 5 | RUAM | RUDISILL, A M | SCAC3 | ||
| 6 | RUAN | RUAN TRANSPORT CORPORATION | SCAC3 | ||
| 7 | RUAN | RUAN TRANSPORT CORPORATION | SCAC4 | ||
| 8 | RUAT | RUSSO, ARTHUR TRUCKING | SCAC3 | ||
| 9 | RUAT | RUDY, H E | SCAC4 | ||
| 10 | RUBD | RUMBOLD, EZRA & SON INC | SCAC3 | ||
| 11 | RUBE | RUBIO, NEMESIO G | SCAC3 | ||
| 12 | RUBF | RUMBOLD FARMS | SCAC3 | ||
| 13 | RUBI | RUBIN BROS WASTE CO | SCAC3 | ||
| 14 | RUBJ | RUBIANO, J H TRUCKING INC | SCAC4 | ||
| 15 | RUBK | RUBIO TRUCKING | SCAC4 | ||
| 16 | RUBM | RUBICON OIL COMPANY | SCAC4 | ||
| 17 | RUBQ | RUBBER CITY CARTAGE CO | SCAC3 | ||
| 18 | RUBR | RUBRIGHT INC | SCAC3 | ||
| 19 | RUBR | REINDEER AUTO RELOCATION | SCAC4 | ||
| 20 | RUBT | RUBENS TRANSPORT/RUBEN ESINOZA TRUC | SCAC3 | ||
| 21 | RUBV | RUBY SERVICES LTD. | SCAC3 | ||
| 22 | RUBY | RUBY TRANSPORT LTD | SCAC3 | ||
| 23 | RUC | Rutas Aereas | ICAO1 | ||
| 24 | RUCA | RUSS/CAMP TRANSPORT SERVICE | SCAC3 | ||
| 25 | RUCC | RUDE CARRIER CORP | SCAC3 | ||
| 26 | RUCE | RUFF, CHARLES E | SCAC3 | ||
| 27 | RUCG | R U CARTAGE | SCAC3 | ||
| 28 | RUCH | RUSCH, A H DISTRIBUTING INC | SCAC3 | ||
| 29 | RUCO | RICE UNRUH CO | SCAC3 | ||
| 30 | RUCO | RICE-UNRUH REYNOLDS CO | SCAC4 | ||
| 31 | RUCS | RUSHCO SERVICES INC | SCAC3 | ||
| 32 | RUD | Air Anastasia | ICAO1 | ||
| 33 | RUDD | RUDDWAY DRAYAGE, INC | SCAC3 | ||
| 34 | RUDE | RUDE TRANSPORTATION COMPANY, INC | SCAC3 | ||
| 35 | RUDH | RUDD, HARLAN D | SCAC3 | ||
| 36 | RUDH | RUIZ CARRILLO, IGNACIO & JUAN FRANC | SCAC4 | ||
| 37 | RUDI | RUDDS TRANSFER AND STORAGE INC | SCAC4 | ||
| 38 | RUDJ | RUDE, JOHN VAN & STORAGE COMPANY | SCAC3 | ||
| 39 | RUDK | RU-D TRUCKING | SCAC4 | ||
| 40 | RUDL | RUSSELL DELIVERY | SCAC4 | ||
| 41 | RUDN | RUDDLE TRUCKING INC | SCAC3 | ||
| 42 | RUDN | RIDEOUT CARREIRS INC | SCAC4 | ||
| 43 | RUDO | RUDOLPHS INC | SCAC3 | ||
| 44 | RUDO | RUDOLPH FREIGHT SYSTEMS INC | SCAC4 | ||
| 45 | RUDP | RUDOLPHS EXPRESS | SCAC3 | ||
| 46 | RUDP | RUDOLPHS SPECIALTY BAKERIES LTD | SCAC4 | ||
| 47 | RUDQ | RUDY TRANSFER INC | SCAC3 | ||
| 48 | RUDR | RUDY, RICHARD B INC | SCAC3 | ||
| 49 | RUDS | RUDE, MURRAY SERVICES INC | SCAC3 | ||
| 50 | RUDT | RUD, SCOTT TRUCKING INC | SCAC4 | ||
| 51 | RUDV | RUSH DELIVERY SERVICE CO | SCAC3 | ||
| 52 | RUDX | Ruddy Tank Car Co. | added 10/1968; 4/1970-7/2000; eliminated 4/2005; 7/2005 (not listed) | NAKINA | |
| 53 | RUDX | Reid's Union Dairy, Inc. | 7/1935 | NAKINA | |
| 54 | RUDX | Ruddy Tank Car Co. | added 10/68; 4/70-7/2000 | NRHS | |
| 55 | RUDX | RUDDY TANK CAR COMPANY | PWRC | ||
| 56 | RUDX | Ruddy Tank Car | RSRV | ||
| 57 | RUDX | RUDDY TANK CAR COMPANY | SCAC4 | ||
| 58 | RUEG | RUEGSEGGER, BENJAMIN H | SCAC3 | ||
| 59 | RUEH | RUEHLES TOWING INC | SCAC4 | ||
| 60 | RUEL | RUSSELL, TOM & SONS | SCAC3 | ||
| 61 | RUEN | RUBBER ENTERPRISES | SCAC4 | ||
| 62 | RUEQ | RUBRIGHT EXPED | SCAC3 | ||
| 63 | RUER | RUDISON, EDGAR TRUCKING | SCAC3 | ||
| 64 | RUES | RUTH EQUIPMENT AND SUPPLY CO | SCAC3 | ||
| 65 | RUET | RUETER, ELDEN TRUCKING INC | SCAC3 | ||
| 66 | RUEV | RUE, VAUGHN PRODUCE CO INC | SCAC3 | ||
| 67 | RUFD | RUFFING, DAN TRUCKING | SCAC3 | ||
| 68 | RUFE | RUFF, E D | SCAC3 | ||
| 69 | RUFI | RUFFIN INC | SCAC3 | ||
| 70 | RUFM | RENEAU FARMS | SCAC4 | ||
| 71 | RUFO | RUFO TRANSPORT LEASING | SCAC3 | ||
| 72 | RUFQ | RUFF-WALKER TRANSFER CO INC | SCAC3 | ||
| 73 | RUFR | RUFFNER, LARRY A TRUCKING INC | SCAC3 | ||
| 74 | RUGD | RUST, GLEN D, AND WAYNE RUST, A PAR | SCAC3 | ||
| 75 | RUGG | RUGGIERO BROS INC | SCAC4 | ||
| 76 | RUGH | RUGH, WARD, INC | SCAC3 | ||
| 77 | RUGL | RUGGLES INC | SCAC3 | ||
| 78 | RUGN | RIENDEAU, GASTON | SCAC4 | ||
| 79 | RUGO | RUTIGLIANO PAPER STOCK INC | SCAC3 | ||
| 80 | RUGR | RUSSELLS GRAIN INC | SCAC3 | ||
| 81 | RUGR | RUG RATS CONTRACTING | SCAC4 | ||
| 82 | RUGT | RUNGE TRUCKING INC | SCAC3 | ||
| 83 | RUGU | RUGBY LIMITED | SCAC4 | ||
| 84 | RUH | Rusich-T | ICAO1 | ||
| 85 | RUHA | RUTHANNE TRUCKING | SCAC3 | ||
| 86 | RUHE | RUHL, LARRY E | SCAC3 | ||
| 87 | RUHL | RUSS-HILL TRANSPORT | SCAC3 | ||
| 88 | RUHQ | RUHLMAN C TRUCKING CO | SCAC3 | ||
| 89 | RUHRO | Ruhr Oel GmbH | DE | VKM | |
| 90 | RUHW | RUSHWAY INC | SCAC3 | ||
| 91 | RUHW | RUSHWAY INC | SCAC4 | ||
| 92 | RUIQ | RIL USA INC | SCAC4 | ||
| 93 | RUJB | RUSLING, JOHN B | SCAC3 | ||
| 94 | RUJC | RUSTHOVEN, JACOB CARTAGE INC | SCAC3 | ||
| 95 | RUJD | RUFF, JOHN DISTRIBUTORS | SCAC3 | ||
| 96 | RUJR | RUFER, JOHN R | SCAC3 | ||
| 97 | RUJS | RUBIN, JACK & SONS | SCAC3 | ||
| 98 | RUJT | RUSSELL, JACK TRUCKING | SCAC3 | ||
| 99 | RüKB | Rügensche Kleinbahn GmbH & Co | Putbus | D | privat-bahn.de |
| 100 | RUKB | D | TRAFFIC |