| 1 | NHIC | NH-HAY INC | | | SCAC4 |
| 2 | NHIM | NASIM HOME | | | SCAC4 |
| 3 | NHIN | NU HOT INC | | | SCAC4 |
| 4 | NHIR | New Hope & Ivyland R.R. Co. | added 10/1989; eliminated 10/1991 | | NAKINA |
| 5 | NHIR | New Hope & Ivyland R.R. Co., McHugh Brothers Heavy Hauling Inc. — Operator & Lessee | added 7/1980; eliminated 10/1989 | | NAKINA |
| 6 | NHIR | New Hope & Ivyland R.R. Co. | 1/1975-1/1980; eliminated 7/1980 | | NAKINA |
| 7 | NHIR | New Hope & Ivyland R.R. Co. | 1/75-1/80; eliminated 7/80 | | NRHS |
| 8 | NHIR | New Hope & Ivyland R.R. Co., McHugh Brothers Heavy Hauling Inc. -- Operator & Lessee | added 7/80; eliminated 10/89 | | NRHS |
| 9 | NHIR | New Hope & Ivyland R.R. Co. | added 10/89; eliminated 10/91 | | NRHS |
| 10 | NHIR | RETIRED 07-31-91 ATP (585) [NEW HOPE & IVYLAND RAILROAD] | | | PWRC |
| 11 | NHIR | New Hope & Ivyland Railroad Company | | USA | TRAFFIC |
| 12 | NHIU | NIPPON GASES NORGE AS | | N | BIC |
| 13 | NHIU | HYDRO GAS AND CHEMICALS AS | | | SCAC4 |
| 14 | NHIX | Merchants Despatch Transportation Corp. | added 7/1962; 7/1965; eliminated 7/1966 | | NAKINA |
| 15 | NHIX | Northern Refrigerator Line, Inc. | 4/1947-4/1961; eliminated 7/1962 | | NAKINA |
| 16 | NHIX | Northern Refrigerator Line, Inc. | 1/52-4/61 | | NRHS |
| 17 | NHIX | Merchants Despatch Transportation Corp. | 7/65; eliminated 7/66 | | NRHS |
| 18 | NHIX | *NORTHERN REFRIGERATOR LINE INC. | | | PWRC |
| 19 | NHIX | *MERCHANTS DESPATCH TRANSPORTATION CORP. | | | PWRC |
