| 1 | DHDB | DICHELLO DISTRIBUTORS INC | | | SCAC4 |
| 2 | DHDC | DELAWARE-HAITI DEVELOPMENT CORPORAT | | | SCAC4 |
| 3 | DHdJ | Dala - Hälsinglands Järnväg (Orsabanan) | 1902 - 1927 | S | svenska-lok.se |
| 4 | DHDO | New York, Susquehanna and Western Ry. Corp. | eliminated 7/1991 | | NAKINA |
| 5 | DHDO | New York, Susquehanna and Western Ry. Corp. | eliminated 7/91 | | NRHS |
| 6 | DHDO | (NYSW) RETIRED 05-31-91 DMC (345){NEW YORK, SUSQUEHANNA & WESTERN RWY.] | | | PWRC |
| 7 | DHDS | DASH DELIVERY SERVICES | | | SCAC4 |
| 8 | DHDU | DEN HARTOGH GLOBAL BV | | NL | BIC |
