| 3701 | HRDX | Silver Star Enterprises, Inc. | added 1/1994; 7/2000; eliminated 7/2004; 7/2005 (not listed) | NAKINA | |
| 3702 | HRDX | M-P Petroleum Ltd. | added 10/1975; eliminated 10/1978 | NAKINA | |
| 3703 | HRDX | Hagaman Refining Co. | 8/1920 | NAKINA | |
| 3704 | HRDX | Hydrocarbons Inc. | added 10/1974; 1/1975; eliminated 10/1975 | NAKINA | |
| 3705 | HRDX | Hydrocarbons Inc. | added 10/74; 1/75 | NRHS | |
| 3706 | HRDX | M-P Petroleum Ltd. | eliminated 10/78 | NRHS | |
| 3707 | HRDX | Silver Star Enterprises, Inc. | added 1/94; 7/2000 | NRHS | |
| 3708 | HRDX | *HAGAMAN REFINING CO. | PWRC | ||
| 3709 | HRDX | *M-P PETROLEUM LTD. [HYDROCARBONS, INC.] | PWRC | ||
| 3710 | HRDX | +SILVER STAR ENTERPRISES, INC. | PWRC | ||
| 3711 | HRDX | Hagaman Refining (Silver Star Enterprises) | RSRV | ||
| 3712 | HREE | FIVE FIVE SEVEN | SCAC4 | ||
| 3713 | HREF | HARE FREIGHT SERVICES INC | SCAC4 | ||
| 3714 | HREI | HOUSTON RYDER EXPRESS INC | SCAC4 | ||
| 3715 | HREL | HARD ROCK ENTERPRISES LLC | SCAC4 | ||
| 3716 | HREM | HOLIDAY RETIREMENT | SCAC4 | ||
| 3717 | HREN | HERREN ENTERPRISES INC | SCAC4 | ||
| 3718 | HREO | HERRERA, | SCAC4 | ||
| 3719 | HREP | HERMITAGE EXPRESS | SCAC1 | ||
| 3720 | HREP | HILDABY RIDGE EXPRESS | SCAC4 | ||
| 3721 | HRET | HARRIS TRANSPORTATION COMPANY LLC | SCAC4 | ||
| 3722 | HREX | Heavy Railroad Excavations, Inc. | 7/2000-7/2005 (not listed) | NAKINA | |
| 3723 | HREX | Heavy Railroad Excavations, Inc. | Jul-00 | NRHS | |
| 3724 | HREX | HEAVY RAILROAD EXCAVATIONS INC | PWRC | ||
| 3725 | HREX | Heavy Railroad Excavations | RSRV | ||
| 3726 | HRFD | HARRIS FEEDING CO | SCAC1 | ||
| 3727 | HRFO | HERFO A/S | SCAC4 | ||
| 3728 | HRFX | H.R. Farmer, owner, Farmer Tank Line | 1/1946-4/1947 | NAKINA | |
| 3729 | HRFX | H. R. FARMER (FARMER TANK LINES) | PWRC | ||
| 3730 | HRGC | HERITAGE ART EDITIONS INC | SCAC4 | ||
| 3731 | HRGI | HORNING, ROD TRUCKING INC | SCAC4 | ||
| 3732 | HRGK | HARRING, K L TRANSPORTATION LLC | SCAC4 | ||
| 3733 | HRGO | HERITAGE OIL INC | SCAC4 | ||
| 3734 | HRGS | HARGIS TRUCK LINES | SCAC1 | ||
| 3735 | HRGT | HARRINGTON TRUCKING LLC | SCAC4 | ||
| 3736 | HRH | Royal Tongan Airlines | IATA: WR | ICAO1 | |
| 3737 | HRHF | HIRSCH FUELS INC | SCAC4 | ||
| 3738 | HRHJ | HUMMER, R H JR INC | SCAC4 | ||
| 3739 | HRHP | HANSEN, R H PROPERTIES LLC | SCAC4 | ||
| 3740 | HRI | Skyraidybos Mokymo Centras | ICAO1 | ||
| 3741 | HRIB | HRIBAR LOGISTICS LLC | SCAC4 | ||
| 3742 | HRID | HIGHWAY RIDERS | SCAC4 | ||
| 3743 | HRIG | HARRIS, RICHARD G | SCAC4 | ||
| 3744 | HRIK | HAMMOND, RICKY | SCAC4 | ||
| 3745 | HRIP | HRI INC | SCAC4 | ||
| 3746 | HRIT | HEAT RIGHT | SCAC4 | ||
| 3747 | HRIX | Merchants Despatch Transportation Corp. | added 10/1955; 10/1957-10/1966; eliminated 10/1969 | NAKINA | |
| 3748 | HRIX | Merchants Despatch Transportation Corp. | 10/57-10/66; eliminated 10/69 | NRHS | |
| 3749 | HRIX | MERCHANTS DESPATCH TRANSPORTATION CORP. | PWRC | ||
| 3750 | HRJB | H & R JACOBSEN INC | SCAC4 | ||
| 3751 | HRJC | HARROLD, E J INC | SCAC4 | ||
| 3752 | HRJI | H R J INC | SCAC4 | ||
| 3753 | HRJL | HUERTA ROMERO, JUAN CARLOS | SCAC4 | ||
| 3754 | HRJM | HILLS, RICHARD JAMES | SCAC4 | ||
| 3755 | HRJO | HERNANDEZ ROJAS, JUAN FRANCISCO | SCAC4 | ||
| 3756 | HRJS | HURTADO, JUAN JOSE | SCAC4 | ||
| 3757 | HRJY | HERMAN, JAY TRUCKING | SCAC4 | ||
| 3758 | HRK | Herik Rail | NL | VKM | |
| 3759 | HRKC | HRT TRUCKING INC | SCAC4 | ||
| 3760 | HRKG | HRT TRUCKING INC | SCAC4 | ||
| 3761 | HRKI | HIGH ROCKIES TRANSPORTATION | SCAC4 | ||
| 3762 | HRKM | HARKEM | SCAC4 | ||
| 3763 | HRKQ | HER TRUCKING INC | SCAC4 | ||
| 3764 | HRKS | HAMER TRUCKING INC | SCAC4 | ||
| 3765 | HRKV | HIGH STAR TRUCKING SERVICES | SCAC4 | ||
| 3766 | HRL | Harsco Rail Limited | UK | VKM | |
| 3767 | HRLA | HOLT, ROYCE L | SCAC4 | ||
| 3768 | HRLB | H & R Lube Blending GmbH | DE | VKM | |
| 3769 | HRLC | HARLIN TRUCKING LLC | SCAC4 | ||
| 3770 | HRLE | HARRIS, LIONEL OIL CO INC | SCAC4 | ||
| 3771 | HRLF | HIGHCROFT RACING LTD | SCAC4 | ||
| 3772 | HRLG | HRL TRANSPORT LLC | SCAC4 | ||
| 3773 | HRLH | HARDY, LOUIS H TRUCK LINE | SCAC4 | ||
| 3774 | HRLI | HEERINGA, R L INC | SCAC4 | ||
| 3775 | HRLJ | HOLT, RICK TRUCKING LLC | SCAC4 | ||
| 3776 | HRLL | HI RAIL LEASING | SCAC4 | ||
| 3777 | HRLP | HARLYN TRANSPORT INC | SCAC4 | ||
| 3778 | HRLQ | HILL, R L EXPRESS LLC | SCAC4 | ||
| 3779 | HRLT | HIGH ROLLER TRANSPORT LIMITED | SCAC4 | ||
| 3780 | HRLU | HUDSON RY EQUIPMENT CO (DIV. OF HUDSON LEASING CO.) | PWRC | ||
| 3781 | HRLU | Hudson Railway Equipment (Division of Hudson Leasing) | RSRV | ||
| 3782 | HRLX | Housatonic Logistics Co. | added 10/2003; eliminated 4/2004; 7/2005 (not listed) | NAKINA | |
| 3783 | HRLX | HOUSATONIC LOGISTICS CO. LLC | PWRC | ||
| 3784 | HRLX | HOUSATONIC LOGISTICS COMPANY LLC | SCAC4 | ||
| 3785 | HRLZ | HUDSON RY EQUIPMENT CO | PWRC | ||
| 3786 | HRLZ | Hudson Railway Equipment | RSRV | ||
| 3787 | HRLZ | HUDSON RY EQUIPMENT CO | SCAC4 | ||
| 3788 | HRMA | HEEREM | SCAC4 | ||
| 3789 | HRMC | HARTMAN TRUCKING CO | SCAC1 | ||
| 3790 | HRMD | HARMS, DONNIE LLC | SCAC4 | ||
| 3791 | HRMG | HARMON, ALLEN TRUCKING INC | SCAC4 | ||
| 3792 | HRMJ | HARRIS, R M TRUCKING LLC | SCAC4 | ||
| 3793 | HRMK | HERMAN, KEN TRUCKING | SCAC4 | ||
| 3794 | HRML | HERMAN/MILES TRUCKING INC | SCAC4 | ||
| 3795 | HRMN | HERMANN FORWARDING COMPANY | SCAC4 | ||
| 3796 | HRMS | HERITAGE MOVING AND STORAGE | SCAC4 | ||
| 3797 | HRMV | HAMPTON ROADS MOVING & STORAGE | SCAC4 | ||
| 3798 | HRNA | HERNANDEZ MARTINEZ, MARTIN | SCAC4 | ||
| 3799 | HRNB | HERNDON BROTHERS INC | SCAC4 | ||
| 3800 | HRNC | HORIZON COLONY INC | SCAC4 |