| 2001 | RDIX | Rapid Industrial Plastics Co. | added 1/85; 1/94-7/2000 | NRHS | |
| 2002 | RDIX | RAPID INDUSTRIAL PLASTICS COMPANY | PWRC | ||
| 2003 | RDIX | Rapid Industrial Plastics | RSRV | ||
| 2004 | RDIX | ENTEC POLYMERS LLC | SCAC4 | ||
| 2005 | RDJB | RDJB TRUCKING INC | SCAC4 | ||
| 2006 | RDJC | REEDER, J C INC | SCAC3 | ||
| 2007 | RDJF | RUNDLETT, RF | SCAC4 | ||
| 2008 | RDJH | RICHARDSON, JOSEPH H | SCAC3 | ||
| 2009 | RDJO | ROBERTO DE JESUS PALACIOS CARRILLO | SCAC4 | ||
| 2010 | RDJT | RDJ TRUCKING | SCAC3 | ||
| 2011 | RDJT | REED, JAMES TRUCKING | SCAC4 | ||
| 2012 | RDK | Irish Air Transport | ICAO1 | ||
| 2013 | RDK | Railion Denmark | DK | VKM | |
| 2014 | RDKA | ROADLINK TRANSPORTATION SOLUTIONS ( | SCAC4 | ||
| 2015 | RDKC | RADTKE CARTAGE INC | SCAC3 | ||
| 2016 | RDKC | REDEKOP MANUFACTURING COMPANY | SCAC4 | ||
| 2017 | RDKE | RADKE, JOHN | SCAC3 | ||
| 2018 | RDKF | RED ROCK TRANSFER INC | SCAC4 | ||
| 2019 | RDKG | REID TRUCKING, INC | SCAC3 | ||
| 2020 | RDKI | R & D TRUCKING INC | SCAC3 | ||
| 2021 | RDKI | RODRIGUEZ TRUCKING | SCAC4 | ||
| 2022 | RDKM | REED TRUCKING | SCAC4 | ||
| 2023 | RDKP | ROAD KINGS TRANSPORT LLC | SCAC4 | ||
| 2024 | RDKQ | RIDDLE TRUCKING | SCAC4 | ||
| 2025 | RDKR | ROAD KING EXPRESS | SCAC4 | ||
| 2026 | RDKS | R & D TRUCK SERVICE | SCAC3 | ||
| 2027 | RDKS | RDK TRANSPORTATION CO INC | SCAC4 | ||
| 2028 | RDKT | RED K TRANSPORT INC | SCAC3 | ||
| 2029 | RDKW | REDS TRUCK & WAGON | SCAC3 | ||
| 2030 | RDL | Roadair Lines | ICAO1 | ||
| 2031 | RDLA | RDL TRANSPORTATION INC | SCAC4 | ||
| 2032 | RDLB | RED LABEL EXPRESS | SCAC3 | ||
| 2033 | RDLB | R & D LOGISTICS | SCAC4 | ||
| 2034 | RDLC | REED LAND CLEARING INC | SCAC3 | ||
| 2035 | RDLC | RADIANT LOGISTICS INC | SCAC4 | ||
| 2036 | RDLD | RIEDBOW DAIRY LTD | SCAC4 | ||
| 2037 | RDLF | RD LEASING INC | SCAC4 | ||
| 2038 | RDLG | RAND LEASING CORPORATION | SCAC3 | ||
| 2039 | RDLH | R & D LEASING | SCAC3 | ||
| 2040 | RDLH | RED LEAF LOGISTICS LTD | SCAC4 | ||
| 2041 | RDLK | RID-LAR TRUCKING COMPANY INC | SCAC3 | ||
| 2042 | RDLK | ROADLINK TRANSPORTATION SOLUTIONS ( | SCAC4 | ||
| 2043 | RDLL | RANDALL TRUCKING | SCAC3 | ||
| 2044 | RDLN | RED LINE INC | SCAC3 | ||
| 2045 | RDLP | RANDOLPH COUNTY HAULING CO INC | SCAC3 | ||
| 2046 | RDLP | RODRIGUEZ LOPEZ, LUIS LINO | SCAC4 | ||
| 2047 | RDLQ | REDLINE TRANSPORT | SCAC4 | ||
| 2048 | RDLR | RED LINE TRANSFER INC | SCAC3 | ||
| 2049 | RDLS | RAPID DELIVERY SERVICE INC | SCAC4 | ||
| 2050 | RDLT | RAINFOREST DESIGNS LIMITED | SCAC4 | ||
| 2051 | RDLU | RODELLA TRASPORTI SRL | SCAC4 | ||
| 2052 | RDLV | RELIABLE DELIVERY SERVICES INC | SCAC3 | ||
| 2053 | RDM | Air Ada | ICAO1 | ||
| 2054 | RDMA | REDMAN TRUCKING INC | SCAC3 | ||
| 2055 | RDMC | R D M INC | SCAC3 | ||
| 2056 | RDMD | READMOND ENTERPRISES INC | SCAC3 | ||
| 2057 | RDMD | R DIAMOND GROUP OF COMPANIES LTD | SCAC4 | ||
| 2058 | RDME | ROEDER IMPLEMENT INC | SCAC4 | ||
| 2059 | RDMG | RICHARDSON, MALACHI & SONS TRUCKING | SCAC4 | ||
| 2060 | RDMH | REDMOND, BRENT LOGISTICS LLC | SCAC4 | ||
| 2061 | RDMI | ROADMASTER INC | SCAC3 | ||
| 2062 | RDMI | RUSKIN DE MEXICO SA DE CV | SCAC4 | ||
| 2063 | RDMJ | ROADMASTER INC | SCAC3 | ||
| 2064 | RDMK | REDMOND TRUCKING COMPANY | SCAC3 | ||
| 2065 | RDML | ROOD, MYKEL L INC | SCAC3 | ||
| 2066 | RDML | R S M ACRES LTD | SCAC4 | ||
| 2067 | RDMM | REDS MESSENGER & MOVING | SCAC3 | ||
| 2068 | RDMN | R E D MOVING & STORAGE CO | SCAC3 | ||
| 2069 | RDMO | RED MOUNTAIN TRANSPORTATION COMPANY | SCAC3 | ||
| 2070 | RDMP | R D M ENTERPRISES INC | SCAC3 | ||
| 2071 | RDMQ | REDMOND TRUCKING CO | SCAC3 | ||
| 2072 | RDMR | RDM TRANSPORTATION INC | SCAC4 | ||
| 2073 | RDMS | ROADMASTERS INC | SCAC3 | ||
| 2074 | RDMS | READS MOVING SYSTEMS INC | SCAC4 | ||
| 2075 | RDMT | R-D MOTOR, INC | SCAC3 | ||
| 2076 | RDMT | RECUPERADORA DE METALES APC | SCAC4 | ||
| 2077 | RDMV | ROYTEC DE MEXICO SA DE CV | SCAC4 | ||
| 2078 | RDMX | RYDER | PWRC | ||
| 2079 | RDMZ | TRANSAMERICA LEASING INC [(REAZ) DETROIT & MACKINAC] | PWRC | ||
| 2080 | RDMZ | TAL International | RSRV | ||
| 2081 | RDMZ | TRANSAMERICA LEASING INC | SCAC4 | ||
| 2082 | RDN | Dinar | IATA: D7 | ICAO1 | |
| 2083 | RDNA | RICHARDSON AUTO TRANSIT | SCAC3 | ||
| 2084 | RDNA | RODAN TRANSPORTATION | SCAC4 | ||
| 2085 | RDNB | REDLINE TRANSPORTATION | SCAC4 | ||
| 2086 | RDNC | RODON AMARANDON SPECIAL MARITIME EN | SCAC4 | ||
| 2087 | RDND | ROADRUNNER DELIVERY INC | SCAC4 | ||
| 2088 | RDNE | RUSSELL DRAYAGE & EXPRESS | SCAC3 | ||
| 2089 | RDNE | RAIDIN EXPRESS | SCAC4 | ||
| 2090 | RDNI | RIEDLINGER INC | SCAC3 | ||
| 2091 | RDNJ | RADNEY, J R | SCAC3 | ||
| 2092 | RDNK | RICHARDSON TRUCKING INC | SCAC3 | ||
| 2093 | RDNK | REDNECK EXPRESS INC | SCAC4 | ||
| 2094 | RDNL | ROADRUNNER LEASING INC | SCAC3 | ||
| 2095 | RDNL | RAPIDOS DE NUEVO LAREDO S A DE C V | SCAC4 | ||
| 2096 | RDNM | ROYAL DESIGN & MANUFACTURING INC | SCAC3 | ||
| 2097 | RDNN | ROADRUNNER TOWING & RECOVERY INC | SCAC3 | ||
| 2098 | RDNP | RED D TRANSPORT | SCAC4 | ||
| 2099 | RDNQ | RODDEN CO | SCAC3 | ||
| 2100 | RDNR | REYNOLDS, DANNY & ROGER TRUCKING IN | SCAC3 |