| 1 | HS | Chattahoochee Bay Rd., Inc. | added 4/2007 | NAKINA | |
| 2 | HS | H&S R.R. Co. | added 10/1992; 1/1994-7/2005 | NAKINA | |
| 3 | HS | Hartford and Slocomb R.R. Co. | 1/1975; added 10/1975; 1/1980; eliminated 10/1992 | NAKINA | |
| 4 | HS | Hartford and Slocomb R.R. Co. | 1/75-1/80; eliminated 10/92 | NRHS | |
| 5 | HS | H&S R.R. Co. | added 10/92; 1/94-7/2000 | NRHS | |
| 6 | HS | *H & S RAILROAD [HARTFORD & SLOCOMB RAILROAD COMPANY, INC.; HOUSATONIC SOUTHERN] | PWRC | ||
| 7 | HS | +CHATTAHOOCHEE BAY RD., INC. | PWRC | ||
| 8 | HS | Housatonic Southern (H and S Railroad) | RSRV | ||
| 9 | HS | Hartford and Slocomb R.R. Co. | USA | TRAFFIC | |
| 10 | HSA | East African Safari Air | IATA: S9 | ICAO1 | |
| 11 | HSA | High Speed Alliance | NL | VKM | |
| 12 | HSAA | HOADE, STEVE TRUCKING INC | SCAC4 | ||
| 13 | HSAD | H & S TRUCKING INC | SCAC4 | ||
| 14 | HSAF | HI SPEED TRUCKING INC | SCAC4 | ||
| 15 | HSAG | HIGH SIERRA TRANSPORT | SCAC4 | ||
| 16 | HSAG | Heilbronner Strassenbahn AG | City: Heilbronn | D | TRAFFIC |
| 17 | HSAI | HUDON, DAN SALES INC | SCAC4 | ||
| 18 | HSAJ | HOOSIER SPECIALIZED TRANSPORTATION | SCAC4 | ||
| 19 | HSAK | HARVEST SELECT CATFISH | SCAC4 | ||
| 20 | HSAL | HENSALL GLOBAL LOGISTICS INC | SCAC4 | ||
| 21 | HSAM | HILL, SAM OIL CO | SCAC4 | ||
| 22 | HSAO | HUSTON, SAM TRUCKING | SCAC4 | ||
| 23 | HSAR | HOOSIER AIR TRANSPORT INC | SCAC4 | ||
| 24 | HSAS | HEATON SANITATION LTD | SCAC4 | ||
| 25 | HSAT | HARBOR SHIPPING AND TRADING S A | SCAC4 | ||
| 26 | HSAV | HSB LOGISTIC | SCAC4 | ||
| 27 | HSB | Harzer Schmalspurbahnen GmbH | Wernigerode | D | privat-bahn.de |
| 28 | HSB | Harzer Schmalspurbahnen | D | TRAFFIC | |
| 29 | HSB | Harzer Schmalspurbahnen | DE | VKM | |
| 30 | HSBA | Hanauer Strassenbahn AG | City: Hanau | D | TRAFFIC |
| 31 | HSBG | H SCHEPERS BEREEDERUNGS GMBH & CO K | SCAC4 | ||
| 32 | HSBQ | HOSKINS BROS. TRUCKING CO | SCAC1 | ||
| 33 | HSBQ | HOSKINS BROS TRUCKING CO INC | SCAC4 | ||
| 34 | HSBR | H R S LOGISTICS LLC | SCAC4 | ||
| 35 | HSBR | City: Heidelberg | D | TRAFFIC | |
| 36 | HSBU | B.V. TRANSPORTONDERNEMING HEMPENIUS | SCAC3 | ||
| 37 | HSBU | HUB SHIPPING SDN BHD | SCAC4 | ||
| 38 | HSCA | HUNT SEED CO INC | SCAC4 | ||
| 39 | HSCB | HARTEL SHIPPING & CHARTERING B.V. | SCAC4 | ||
| 40 | HSCE | HEADWATERS SERVICES CORPORATION | SCAC4 | ||
| 41 | HSCF | HARRIS EXPRESS LLC | SCAC4 | ||
| 42 | HSCJ | HUGHES, SHIRLEY CORPORATION, THE | SCAC4 | ||
| 43 | HSCL | HADLEY SHIPPING CO LIMITED, THE | SCAC4 | ||
| 44 | HSCM | HANSCOMS TRUCK STOP INC | SCAC4 | ||
| 45 | HSCO | HORNE MOVING SYSTEMS INC | SCAC4 | ||
| 46 | HSCP | HUNTERDON DISPATCH LLC | SCAC4 | ||
| 47 | HSCQ | HARRISBURG STORAGE CO | SCAC4 | ||
| 48 | HSCR | H & S CONSTRUCTION INC | SCAC4 | ||
| 49 | HSCU | H & S CONTAINER GMBH | SCAC4 | ||
| 50 | HSCW | HORTEN SHIPPING CO | SCAC4 | ||
| 51 | HSCX | Steel Wheels Ltd. | added 7/1984; eliminated 7/1993; 1/1994-7/2005 (not listed) | NAKINA | |
| 52 | HSCX | Hammond Standish & Co. | 7/1930-4/1938 | NAKINA | |
| 53 | HSCX | Hammond Standish & Co. | Apr-38 | NRHS | |
| 54 | HSCX | Steel Wheels Ltd. | added 7/84; eliminated 7/93; 1/94-7/2000 | NRHS | |
| 55 | HSCX | *HAMMOND STANDISH & CO. | PWRC | ||
| 56 | HSCX | *HORRY COUNTY RAILROAD - SOUTH CAROLINA | PWRC | ||
| 57 | HSCX | +STEEL WHEELS LTD | PWRC | ||
| 58 | HSCX | Hammond Standish (Steel Wheels) | RSRV | ||
| 59 | HSCX | STEEL WHEELS LIMITED | SCAC4 | ||
| 60 | HSCY | HASLER & COMPANY INC | SCAC4 | ||
| 61 | HSCZ | HIGHLINE SEVEN COOP ELEVATOR | PWRC | ||
| 62 | HSD | Horst Schuch Dienstleistungen | DE | VKM | |
| 63 | HSDB | HOT SHOT DELIVERIES INC | SCAC4 | ||
| 64 | HSDG | HAMBURG SUD D G | SCAC4 | ||
| 65 | HSDL | HARLAN LABORATORIES INC | SCAC4 | ||
| 66 | HSDN | HIGH SPEED DELIVERY INC | SCAC4 | ||
| 67 | HSDT | HOLLAND SPECIAL DELIVERY (TRUCK LOA | SCAC4 | ||
| 68 | HSDU | DEGUSSA INFRACOR GMBH | SCAC4 | ||
| 69 | HSDW | HAVI SHIPPING DMCCO | SCAC4 | ||
| 70 | HSE | Compania Helicopteros Del Sureste | ICAO1 | ||
| 71 | HSEC | HORSECO TRANSPORTATION LTD | SCAC4 | ||
| 72 | HSEF | HANSENS FLOWERS LIMITED | SCAC4 | ||
| 73 | HSEG | HUGGINS & SON | SCAC4 | ||
| 74 | HSEH | HYLAND SEEDS | SCAC4 | ||
| 75 | HSEI | HK SERVICES | SCAC4 | ||
| 76 | HSEL | HOUSES LOADING & SHUTTLE INC | SCAC4 | ||
| 77 | HSEP | HOT SHOT EXPRESS, INC | SCAC1 | ||
| 78 | HSEP | HOT SHOT EXPRESS INC | SCAC4 | ||
| 79 | HSEQ | HERITAGE SERVICES | SCAC4 | ||
| 80 | HSER | HORSE TRANSPORTATION | SCAC4 | ||
| 81 | HSES | H & S ENTERPRISES INC | SCAC4 | ||
| 82 | HSEV | HAZCO SERVICES | SCAC4 | ||
| 83 | HSEZ | HARVEST STATE ELEVATOR | PWRC | ||
| 84 | HSF | HSF Haltinger Speisewagenfreunde | CH | VKM | |
| 85 | HSFD | HENRY SEAFOOD LTD | SCAC4 | ||
| 86 | HSFF | HONCHOS FREIGHT FORWARDING | SCAC4 | ||
| 87 | HSFI | HARRIS FUELS INC | SCAC4 | ||
| 88 | HSFJ | HESS, F J & SONS | SCAC4 | ||
| 89 | HSFJ | Hvellinge - Skanör - Falsterbo Järnväg | 1904 - 1943 | S | svenska-lok.se |
| 90 | HSFM | HIGHLAND STOCK FARMS LTD | SCAC4 | ||
| 91 | HSFU | TIANJIN LVHAI AGRICULTURAL TRADE CO | SCAC4 | ||
| 92 | HSFZ | ATCHISON, TOPEKA & SANTA FE | PWRC | ||
| 93 | HSFZ | Atchison, Topeka and Santa Fe Railway (BNSF Railway) | RSRV | ||
| 94 | HSG | Vossloh High Speed Grinding GmbH | DE | VKM | |
| 95 | HSGA | HI STAR GROUP INC | SCAC4 | ||
| 96 | HSGC | HANSA SHIPPING GMBH & CO KG | SCAC4 | ||
| 97 | HSGL | HARRIER SHIPPING LLC | SCAC4 | ||
| 98 | HSGP | HARRIS, GENE PETROLEUM INC | SCAC4 | ||
| 99 | HSGR | HASTINGS MARINE | SCAC4 | ||
| 100 | HSGW | HASK GROWERS LTD | SCAC4 |