| 3901 | HRTT | HORSFALL, R TRUCKING | SCAC4 | ||
| 3902 | HRTV | HIGH ROLLERS TRUCKING INC | SCAC4 | ||
| 3903 | HRTZ | HERTZ, KARL B TRANSPORTATION | SCAC4 | ||
| 3904 | HRUK | HORN, S TRUCKING INC | SCAC4 | ||
| 3905 | HRVA | HOOSIER RV TRANSPORT INC | SCAC4 | ||
| 3906 | HRVE | HARVEY TRUCKING | SCAC4 | ||
| 3907 | HRVG | HARVEY, GEORGE | SCAC4 | ||
| 3908 | HRVK | HUDSON RIVER BULK INC | SCAC4 | ||
| 3909 | HRVN | HARVEST TRANS INC | SCAC4 | ||
| 3910 | HRVQ | HARVEY, HOMER L | SCAC1 | ||
| 3911 | HRVS | HARVESTER SHIPMNAGEMENT LTD | SCAC4 | ||
| 3912 | HRVT | HARVEY TRUCKING LLC | SCAC4 | ||
| 3913 | HRVY | HARVEY, KENNETH INC | SCAC4 | ||
| 3914 | HRWK | HOMRICH WRECKING INC | SCAC4 | ||
| 3915 | HRXD | HARTT TRANSPORTATION SYSTEMS INC (T | SCAC4 | ||
| 3916 | HRXI | HOME RUN TRANSPORT INC | SCAC4 | ||
| 3917 | HRXL | HARVEY EXPORTS LTD (DIV OF E L HARV | SCAC4 | ||
| 3918 | HRXP | HARE EXPRESS, INC | SCAC1 | ||
| 3919 | HRXQ | HARRIS MOTOR EXPRESS, INC | SCAC1 | ||
| 3920 | HRYE | HARRYS ENTERPRISES | SCAC4 | ||
| 3921 | HRYL | HURLEY, JOHN E TRUCKING INC | SCAC4 | ||
| 3922 | HRYM | HOLT, RAY M INC | SCAC4 | ||
| 3923 | HRYO | HENRY OIL COMPANY INC | SCAC4 | ||
| 3924 | HRYP | HERRAMIE | SCAC4 | ||
| 3925 | HRYR | HARRY'S TRANSPORT INC | SCAC4 | ||
| 3926 | HRYT | HARDY LEASING COMPANY LTD | SCAC4 | ||
| 3927 | HRZ | Croatian Air Force | ICAO1 | ||
| 3928 | HRZC | HORIZON LOGISTICS INC | SCAC4 | ||
| 3929 | HRZD | HORIZON LINES LLC | SCAC4 | ||
| 3930 | HRZE | HORIZON EXPRESS INC | SCAC4 | ||
| 3931 | HRZG | HERZOG TRUCKING COMPANY, INC | SCAC1 | ||
| 3932 | HRZG | HERZOG TRUCKING COMPANY INC | SCAC4 | ||
| 3933 | HRZI | HORIZON SHIP SUPPLY INC | SCAC4 | ||
| 3934 | HRZK | HORIZON LINES OF ALASKA LLC | SCAC4 | ||
| 3935 | HRZL | HORIZON LINES OF ALASKA LLC | SCAC4 | ||
| 3936 | HRZM | HORIZON MOVING SYSTEMS OF ARIZONA I | SCAC4 | ||
| 3937 | HRZN | HORIZON MOVING SYSTEMS OF SIERRA VI | SCAC4 | ||
| 3938 | HRZP | HORIZON LINES OF PUERTO RICO INC | SCAC4 | ||
| 3939 | HRZR | HORIZON RESOURCES | SCAC4 | ||
| 3940 | HRZS | HORIZON SHIPPING LTD | SCAC4 | ||
| 3941 | HRZT | HARTZ TRUCKING CO | SCAC4 | ||
| 3942 | HRZU | Matson Navigation | RSRV | ||
| 3943 | HRZU | HORIZON LINES LLC | SCAC4 | ||
| 3944 | HRZZ | HORIZON LINES LLC | SCAC4 | ||
| 3945 | HS | Chattahoochee Bay Rd., Inc. | added 4/2007 | NAKINA | |
| 3946 | HS | H&S R.R. Co. | added 10/1992; 1/1994-7/2005 | NAKINA | |
| 3947 | HS | Hartford and Slocomb R.R. Co. | 1/1975; added 10/1975; 1/1980; eliminated 10/1992 | NAKINA | |
| 3948 | HS | Hartford and Slocomb R.R. Co. | 1/75-1/80; eliminated 10/92 | NRHS | |
| 3949 | HS | H&S R.R. Co. | added 10/92; 1/94-7/2000 | NRHS | |
| 3950 | HS | *H & S RAILROAD [HARTFORD & SLOCOMB RAILROAD COMPANY, INC.; HOUSATONIC SOUTHERN] | PWRC | ||
| 3951 | HS | +CHATTAHOOCHEE BAY RD., INC. | PWRC | ||
| 3952 | HS | Housatonic Southern (H and S Railroad) | RSRV | ||
| 3953 | HS | Hartford and Slocomb R.R. Co. | USA | TRAFFIC | |
| 3954 | HSA | East African Safari Air | IATA: S9 | ICAO1 | |
| 3955 | HSA | High Speed Alliance | NL | VKM | |
| 3956 | HSAA | HOADE, STEVE TRUCKING INC | SCAC4 | ||
| 3957 | HSAD | H & S TRUCKING INC | SCAC4 | ||
| 3958 | HSAF | HI SPEED TRUCKING INC | SCAC4 | ||
| 3959 | HSAG | HIGH SIERRA TRANSPORT | SCAC4 | ||
| 3960 | HSAG | Heilbronner Strassenbahn AG | City: Heilbronn | D | TRAFFIC |
| 3961 | HSAI | HUDON, DAN SALES INC | SCAC4 | ||
| 3962 | HSAJ | HOOSIER SPECIALIZED TRANSPORTATION | SCAC4 | ||
| 3963 | HSAK | HARVEST SELECT CATFISH | SCAC4 | ||
| 3964 | HSAL | HENSALL GLOBAL LOGISTICS INC | SCAC4 | ||
| 3965 | HSAM | HILL, SAM OIL CO | SCAC4 | ||
| 3966 | HSAO | HUSTON, SAM TRUCKING | SCAC4 | ||
| 3967 | HSAR | HOOSIER AIR TRANSPORT INC | SCAC4 | ||
| 3968 | HSAS | HEATON SANITATION LTD | SCAC4 | ||
| 3969 | HSAT | HARBOR SHIPPING AND TRADING S A | SCAC4 | ||
| 3970 | HSAV | HSB LOGISTIC | SCAC4 | ||
| 3971 | HSB | Harzer Schmalspurbahnen GmbH | Wernigerode | D | privat-bahn.de |
| 3972 | HSB | Harzer Schmalspurbahnen | D | TRAFFIC | |
| 3973 | HSB | Harzer Schmalspurbahnen | DE | VKM | |
| 3974 | HSBA | Hanauer Strassenbahn AG | City: Hanau | D | TRAFFIC |
| 3975 | HSBG | H SCHEPERS BEREEDERUNGS GMBH & CO K | SCAC4 | ||
| 3976 | HSBQ | HOSKINS BROS. TRUCKING CO | SCAC1 | ||
| 3977 | HSBQ | HOSKINS BROS TRUCKING CO INC | SCAC4 | ||
| 3978 | HSBR | H R S LOGISTICS LLC | SCAC4 | ||
| 3979 | HSBR | City: Heidelberg | D | TRAFFIC | |
| 3980 | HSBU | B.V. TRANSPORTONDERNEMING HEMPENIUS | SCAC3 | ||
| 3981 | HSBU | HUB SHIPPING SDN BHD | SCAC4 | ||
| 3982 | HSCA | HUNT SEED CO INC | SCAC4 | ||
| 3983 | HSCB | HARTEL SHIPPING & CHARTERING B.V. | SCAC4 | ||
| 3984 | HSCE | HEADWATERS SERVICES CORPORATION | SCAC4 | ||
| 3985 | HSCF | HARRIS EXPRESS LLC | SCAC4 | ||
| 3986 | HSCJ | HUGHES, SHIRLEY CORPORATION, THE | SCAC4 | ||
| 3987 | HSCL | HADLEY SHIPPING CO LIMITED, THE | SCAC4 | ||
| 3988 | HSCM | HANSCOMS TRUCK STOP INC | SCAC4 | ||
| 3989 | HSCO | HORNE MOVING SYSTEMS INC | SCAC4 | ||
| 3990 | HSCP | HUNTERDON DISPATCH LLC | SCAC4 | ||
| 3991 | HSCQ | HARRISBURG STORAGE CO | SCAC4 | ||
| 3992 | HSCR | H & S CONSTRUCTION INC | SCAC4 | ||
| 3993 | HSCU | H & S CONTAINER GMBH | SCAC4 | ||
| 3994 | HSCW | HORTEN SHIPPING CO | SCAC4 | ||
| 3995 | HSCX | Steel Wheels Ltd. | added 7/1984; eliminated 7/1993; 1/1994-7/2005 (not listed) | NAKINA | |
| 3996 | HSCX | Hammond Standish & Co. | 7/1930-4/1938 | NAKINA | |
| 3997 | HSCX | Hammond Standish & Co. | Apr-38 | NRHS | |
| 3998 | HSCX | Steel Wheels Ltd. | added 7/84; eliminated 7/93; 1/94-7/2000 | NRHS | |
| 3999 | HSCX | *HAMMOND STANDISH & CO. | PWRC | ||
| 4000 | HSCX | *HORRY COUNTY RAILROAD - SOUTH CAROLINA | PWRC |