| 5101 | NRCC | NOLAN TRANSPORT | | | SCAC4 |
| 5102 | NRCD | NORTHERN CONSOLIDATORS | | | SCAC3 |
| 5103 | NRCD | NORTHEASTERN PAVERS INC | | | SCAC4 |
| 5104 | NRCE | NORTH COUNTRY ENTERPRISES LTD | | | SCAC3 |
| 5105 | NRCE | NRC ENVIRONMENTAL SERVICES INC | | | SCAC4 |
| 5106 | NRCH | NORMAN CHARTER | | | SCAC3 |
| 5107 | NRCH | NUR GEMICILIK VE TICARET A S | | | SCAC4 |
| 5108 | NRCJ | NR CONSULTANTS | | | SCAC3 |
| 5109 | NRCL | NATIONAL RETAIL CONSOLIDATORS | | | SCAC4 |
| 5110 | NRCN | NORCON TRANSPORTATION COMPANY INC | | | SCAC3 |
| 5111 | NRCN | NOR CAN POST AND POLES SALES LTD | | | SCAC4 |
| 5112 | NRCO | NORCO TRANSPORTATION COMPANY INC | | | SCAC3 |
| 5113 | NRCO | NORTH COLLINS CYLINDER GAS CO INC | | | SCAC4 |
| 5114 | NRCQ | NATIONAL RESEARCH COUNCIL | | | SCAC4 |
| 5115 | NRCR | NORTHEASTERN CARRIERS INC | | | SCAC4 |
| 5116 | NRCS | NORTH COAST MOVING & STORAGE | | | SCAC3 |
| 5117 | NRCT | NORTHERN CARRIERS INC | | | SCAC3 |
| 5118 | NRCU | NRS LOGISTICS SHANGHAI CO.LTD | | PRC | BIC |
| 5119 | NRCU | NEDLLOYD ROAD CARGO B.V. | | | PWRC |
| 5120 | NRCU | Nedlloyd Road Cargo | | | RSRV |
| 5121 | NRCX | Northern Rail Car Corp. | added 7/1987; eliminated 7/1991; 1/1994-7/2005 (not listed) | | NAKINA |
| 5122 | NRCX | Northern Refrigerator Car Co. (Northern Refrigerator Line, Inc.) | 7/1930-1/1941 | | NAKINA |
| 5123 | NRCX | Northern Refrigerator Car Co. | 7/1923 | | NAKINA |
| 5124 | NRCX | Northern Rail Car Corp. | added 7/87; eliminated 7/91; 1/94-7/2000 | | NRHS |
| 5125 | NRCX | Northern Refrigerator Car Co. (Northern Refrigerator Line, Inc.) | Apr-38 | | NRHS |
| 5126 | NRCX | *NORTHERN REFRIGERATOR LINE, INC. [NORTHERN REFRIGERATOR CAR CO.] | | | PWRC |
| 5127 | NRCX | +NORTHERN RAIL CAR CORP. | | | PWRC |
| 5128 | NRCX | Northern Rail Car Corporation | | | RSRV |
| 5129 | NRCX | NORTHERN RAIL CAR CORP. | | | SCAC4 |
| 5130 | NRCZ | NORTHERN RAIL CAR | | | PWRC |
| 5131 | NRD | Nord Air | Callsign: Nord Air, | RUS | AVCODES |
| 5132 | NRD | Nordic NR Regional AB | IATA: 6N, Callsign: Northrider, Name changed to Nordic Airways AB | S | AVCODES |
| 5133 | NRD | Nordic Airways AB | IATA: 6N, Callsign: Northrider, Sweden's Transport Authority has revoked the Air Operators licence. Name changed from Nordic NR Regional AB | S | AVCODES |
| 5134 | NRD | Nardi S.p.A. | IATA: NE, Callsign: Nardi, | I | AVCODES |
| 5135 | NRD | Avia Group Nord LLC | | RUS | AVCODES |
| 5136 | NRD | Nordic Regional | IATA: 6N | | ICAO1 |
| 5137 | NRDA | NORDIC AIR INC | | | SCAC4 |
| 5138 | NRDC | NORDIC MARINE CORP INC. | | | SCAC3 |
| 5139 | NRDC | NESTLE R & D CENTER INC | | | SCAC4 |
| 5140 | NRDH | NORDAHL TRUCKING INC | | | SCAC3 |
| 5141 | NRDJ | NORDSJOFRAKT | | | SCAC3 |
| 5142 | NRDL | NORDANA LINES | | | PWRC |
| 5143 | NRDM | NORDIC MARITIME SERVICES AS | | | SCAC4 |
| 5144 | NRDN | NORDLINE SCHIFFAHRTSGESELLSCHAFT | | | SCAC3 |
| 5145 | NRDN | NICHOLLS, R DISTRIBUTORS INC | | | SCAC4 |
| 5146 | NRDO | NORTHLAND TRANSPORTATION INC | | | SCAC4 |
| 5147 | NRDP | NORDAP INC | | | SCAC3 |
| 5148 | NRDQ | NORDEST S P A | | | SCAC3 |
| 5149 | NRDR | NOLET, R DRIVING SERVICE | | | SCAC4 |
| 5150 | NRDS | NORDSTROM & THULIN AB | | | SCAC3 |
| 5151 | NRDS | NORDQUIST TRUCKING INC | | | SCAC4 |
| 5152 | NRDX | Rail Logistics, LC | added 7/2005; 7/2005 | | NAKINA |
| 5153 | NRDX | Nordic Warehouse, Inc. | added 1/1997; eliminated 7/1998; 7/2000 (not listed) | | NAKINA |
| 5154 | NRDX | Nordic Warehouse, Inc. | added 1/97; eliminated 7/98; 7/2000 | | NRHS |
| 5155 | NRDX | *NORDIC WAREHOUSE INCORPORATED | | | PWRC |
| 5156 | NRDX | +RAIL LOGISTICS, LC | | | PWRC |
| 5157 | NRDX | Nordic Warehouse | | | RSRV |
| 5158 | NRDX | RAIL LOGISTICS LC | | | SCAC4 |
| 5159 | NRDX | Nordic Warehouse Inc. | | USA | TRAFFIC |
| 5160 | NRE | Aviones Are, S.A. de C.V. | Callsign: Aviones Are, | MEX | AVCODES |
| 5161 | NRE | Aviones Are | | | ICAO1 |
| 5162 | NRE | Verein Nostalgie Rhein Express (NRE) | | CH | VKM |
| 5163 | NREA | NORTH EAST TRADERS INC | | | SCAC3 |
| 5164 | NREC | NORTHEAST COURIER SERVICE | | | SCAC3 |
| 5165 | NREC | NEW RAM EXPRESS LLC | | | SCAC4 |
| 5166 | NREF | NATIONAL REFRIGERANTS INC | | | SCAC4 |
| 5167 | NREI | NORWICH EXPRESS INC | | | SCAC3 |
| 5168 | NREN | NORTON ENTERPRISES | | | SCAC3 |
| 5169 | NREO | NORTHEAST TRANSPORTATION INC | | | SCAC4 |
| 5170 | NREP | NR EXPRESS INC | | | SCAC4 |
| 5171 | NRES | NORTHEAST CARRIERS INC | | | SCAC3 |
| 5172 | NRET | NORTHEAST TRUCKING INC | | | SCAC3 |
| 5173 | NREW | NAUGLE, RICHARD EDWIN | | | SCAC4 |
| 5174 | NREX | National Railway Equipment Co. | 7/2000-7/2005 (not listed) | | NAKINA |
| 5175 | NREX | National Railway Equipment Co. | Jul-00 | | NRHS |
| 5176 | NREX | NATIONAL RAILWAY EQUIPMENT COMPANY | | | PWRC |
| 5177 | NREX | National Railway Equipment | | | RSRV |
| 5178 | NREX | NATIONAL RAILWAY EQUIPMENT CO. | | | SCAC4 |
| 5179 | NREX | National Railway Equipment Co. | | USA | TRAFFIC |
| 5180 | NRFAB | Nordic Re-Finance AB | 2006 - | S | svenska-lok.se |
| 5181 | NRFAB | Nordic Re-Finance AB | 2006 - | S | TRAFFIC |
| 5182 | NRFAB | Nordic Re-Finance AB | | SE | VKM |
| 5183 | NRFD | N R F DISTRIBUTORS INC | | | SCAC3 |
| 5184 | NRFG | NATIONAL RAPID FREIGHT LLC | | | SCAC4 |
| 5185 | NRFH | NRF HEAVY HAULING | | | SCAC4 |
| 5186 | NRFI | NEW RISING FENIX INC | | | SCAC4 |
| 5187 | NRFK | NORFOLK BEVERAGE COMPANY INC | | | SCAC3 |
| 5188 | NRFK | NORFOLK TRANSPORT LTD | | | SCAC4 |
| 5189 | NRFL | NORTHERN FRONTIER LOGISTICS CORP | | | SCAC4 |
| 5190 | NRFO | NEW ROCKFORD - FESSENDEN CO-OP TRAN | | | SCAC3 |
| 5191 | NRFO | NINE ZERO FIVE SIX - EIGHT TWO EIGH | | | SCAC4 |
| 5192 | NRFS | NORDFAST SHIPPING LTD | | | SCAC3 |
| 5193 | NRG | Ross Aviation, Inc. | Callsign: Energy, | USA | AVCODES |
| 5194 | NRG | Nationale Regionale Transport | Founded in 2000. | G | AVCODES |
| 5195 | NRG | Ross Aviation | | | ICAO1 |
| 5196 | NRGA | NORIEGAS TRUCKING | | | SCAC4 |
| 5197 | NRGC | N R G CARRIERS INC | | | SCAC3 |
| 5198 | NRGC | NRG TRANSPORT | | | SCAC4 |
| 5199 | NRGD | NORGAARD TRUCKING | | | SCAC3 |
| 5200 | NRGI | NRG, INC. | | | PWRC |
