| HABX | Hanlon-Buchanan, Inc. | Apr-38 |
| Horne-Boatright Chemical Co., Inc. | added 4/69; 4/70; eliminated 1/72 | |
| Habco, Inc. | added 1/72; 1/75-1/80; eliminated 5/83 | |
| Habco International Inc. | 1/94-7/2000 | |
| HACX | Canada Packers Ltd. (The Harris Abbatoir Co., Ltd.) | 4/38-4/70 |
| Canada Packers Ltd. | eliminated 4/71 | |
| HAGX | Hazel-Atlas Glass Co. | Apr-38 |
| HALX | Holland American Line -- Westours Inc. | Jul-00 |
| HAMX | North American Car Corp. | 7/65-1/75; eliminated 1/77 |
| HANX | Hancock Oil Co. of California | Apr-38 |
| L. Hansen's Forwarding | Jul-00 | |
| HAPX | Helm-Atlantic Leasing Limited Partnership | Jul-00 |
| HARX | Hargis Railcar, Inc. | added 7/89; eliminated 4/92 |
| General Electric Railcar Services Corp. | added 4/92; 1/94; eliminated 1/2000 | |
| General Electric Rail Services Corp. | added 1/2000; 7/2000 | |
| HATX | Helm-Atlantic Associates, L.P. | added 10/94; 7/2000; eliminated 1/2001 |
| HELM Financial Corp. | added 1/2001 | |
| HAX | Almer Railway Equipment Co. | Apr-38 |
| HAZX | Hazel-Atlas Glass Co. | Apr-38 |
| HB | Hampton & Branchville R.R. Co. | 1/75-1/94; eliminated 7/95; 7/2000 |
| HBAX | Hirsch Bros. & Co. | 1/52-4/61; eliminated 7/63 |
| HBGX | Hillsboro Bottled Gas Co. | added 10/68; 4/70-1/80; eliminated 10/84 |
| HBG Enterprises of Tampa, Inc. | added 10/84; 1/94-7/2000 | |
| HBL | Harbor Belt Line | 1/94-7/2000 |
| HBRY | Hudson Bay Ry. Co. | added 10/97; 7/2000 |
| HBS | Hoboken Shore R.R. | 1/75; eliminated 7/77; 1/80 |
| HBSX | Haskins Bros. & Co. | 4/38-1/52 |
| Purex Corp. | Oct-57 | |
| Purex Corp., Ltd. | Apr-61 | |
| HB&T | Huntington & Broad Top Mountain R.R. & Coal Co. | Jan-52 |
| HBT | Houston Belt & Terminal Ry. Co. | 1/75-1/94; eliminated 1/98; added 10/99; 7/2000 |
| H&BV | Houston & Brazos Valley Ry. | 4/38-1/52 |
| HBWX | Georgia Power Co. | added 1/97; 7/2000 |
| HBX | Hately Bros. Co. | 4/38-1/52; eliminated 4/57 |
| HC | Hannibal Connecting | 1/52-7/65 |
| HCCX | Hercules Cement Corp. | 4/38-1/52; eliminated 10/57 |
| Hercules Cement Co. | 7/65; eliminated 7/66 | |
| Hercules Division--American Cement Corp. | added 7/66; 10/66-4/70; eliminated 4/73 | |
| Hercules Cement Co., a Division of American Cement Corp. | added 4/73; 1/75; eliminated 1/78 | |
| Hercules Cement Co., An AMCORD Co. | added 1/78; 1/80; eliminated 4/81 | |
| Hercules Cement Co. | added 4/81 | |
| HCGX | North American Salt Co. | added 1/95; 7/2000 |
| HCHX | Heyden Chemical Corp. | Apr-38 |
| HCLX | Hercules Canada Ltd. | added 4/79; 1/80 |
| HIMONT Canada Inc. | 1/94; eliminated 4/96 | |
| Montell Canada Inc. | added 4/96; 7/2000; eliminated 1/2001 | |
| Basell Canada Inc. | added 1/2001 | |
| HCMX | Harnischfeger Corp. | 1/80-7/2000; eliminated 4/2001; added 7/2001 |
| HCPX | Hooker Chemical Corp. | added 4/65; 7/65-4/70 |
| Hooker Chemical and Plastics Corp. | 1/75-1/80; eliminated 10/82 | |
| Occidental Chemical Corp., Hooker Industrial & Specialty Chemicals | added 10/82; eliminated 7/84 | |
| Occidental Chemical Corp., Industrial & Specialty Chemicals | added 7/84; eliminated 7/87 | |
| Occidental Chemical Corp., Electrochemicals, Detergent & Specialty Products Group | added 7/87; eliminated 1/88 | |
| Occidental Chemical Corp., Electrochemicals, Detergents & Specialty Products | added 1/88; eliminated 10/89 | |
| Occidental Chemical Corp., Electrochemicals & Specialty Products | added 10/89; eliminated 1/92 | |
| Occidental Chemical Corp. | added 1/92; 1/94-7/2000 | |
| HCRC | Hillsdale County Ry. Co., Inc. | 1/80-1/94; eliminated 4/94 |
| HCRR | Honey Creek R.R., Inc. | 1/94-7/2000 |
| HCRX | Union Refrigerator Transit Lines | Jul-65 |
| Union Refrigerator Transit Lines, a Division of the General American Transporation Corp. | 10/66; eliminated 1/70 | |
| HCRY | Huron Central Ry. | added 10/98; 7/2000 |
| HCTX | Hallett Construction Co. | added 4/71; 1/75-1/80; eliminated 4/90 |
| Martin Marietta Corp. | added 4/90; 1/94; eliminated 7/96; 7/2000 | |
| HCX | Hallet and Carey Ltd. | added 1/53; eliminated 10/53 |
| HCYR | Horry County Ry. Co. | eliminated 1/88 |
| HDCX | The Hull Corp. | Jan-94 |
| HDGX | Henry D. Gee | Apr-38 |
| HDM | Hudson & Manhattan | 1/75-1/80 |
| HDSX | H.D. Schrier | 7/65; eliminated 7/66; added 4/67; 4/70; eliminated 10/74 |
| Huron Distribution Services | Jan-94 | |
| Huron Distribution Services/Rail America Equipment Corp. | added 7/96; eliminated 10/96 | |
| RailAmerica Equipment Corp. | added 10/96; 7/2000 | |
| HDX | Hooker-Detrex Inc. | Jan-52 |
| HE | Hollis & Eastern R.R. Co. | 1/75-7/2000 |
| HECX | Hoosier Energy REC, Inc. | added 10/81; 1/94-7/2000 |
| HEKX | Highway Engineering & Construction Co., Inc. | 1/52-4/61 |
| HELX | HELM Financial Corp. | added 10/86 |
| HELM Equipment Leasing Co. | added 1/87 | |
| HM Joint Venture | added 7/93; 1/94; eliminated 7/95 | |
| HELM Financial Corp. | added 7/95; 7/2000 | |
| HEPX | Hydro-Electric Power Commission of Ontario | 1/52-1/75; eliminated 7/75 |
| Ontario Hydro | added 7/75; 1/80-7/2000; eliminated 4/2001 | |
| Hydro One | added 4/2001 | |
| HEQX | Helm Equipment Leasing Corp. | added 7/93; 1/94; eliminated 10/94 |
| HELM Financial Corp. | Jul-00 | |
| HERX | North American Car Corp. | 1/52-1/80 |
| General Electric Railcar Services Corp. | 1/94; eliminated 1/2000 | |
| General Electric Rail Services Corp. | added 1/2000; 7/2000 | |
| HESR | Huron and Eastern Ry. Co. | added 7/86; eliminated 7/91 |
| Huron and Eastern Ry. Co., Inc. | added 7/91; 1/94-7/2000 | |
| HESX | Heritage Environmental Services, Inc. | 1/94; added 1/97 |
| Heritage Environmental Services, Inc. c/o Heritage Group | Jul-00 | |
| HEWT | Houston East & West Texas Ry. | 4/38-1/52 |
| HFCX | Harlan Fuel Co. | added 10/78; eliminated 1/79 |
| HFIX | Hunt Foods, Inc. | 1/52-10/57 |
| Hunt Foods and Industries, Inc. | 4/61-10/66; eliminated 10/69 | |
| Hunt-Wesson Foods, Inc. | added 10/69; 4/70; eliminated 1/73 | |
| HFPX | Hygrade Food Products Corp. (Mather Stock Car Co.) | Apr-38 |
| General American Transportation Corp. | 4/61-7/65 | |
| Hygrade Food Products Corp. (General American Transportation Corp.) | Oct-66 | |
| General American Transportation Corp. | 4/70-1/80; eliminated 10/92 | |
| HFWX | The Ruberoid Co. | Apr-38 |
| HFX | Great Lakes Steel Corp.--Hanna Furnace Division | 1/52-4/61 |
| HGCX | Home Gas Corp. | 1/52-4/61; eliminated 1/62 |
| Home Gas Corp. of Great Barrington | added 1/62 | |
| Hillsboro Glass Co. | added 4/74; 1/75-1/80; eliminated 10/91 | |
| HGFX | Northern Refrigerator Line, Inc. | Jan-52 |
| HGPX | Harrison Gypsum Co. | added 4/97; 7/2000 |
| HHCX | Champlin Refining Co. | 4/38-1/52; eliminated 4/57 |
| Champlin Oil & Refining Co. | added 4/57; 10/57-4/61; eliminated 7/65 | |
| Champlin Petroleum Co. | added 7/65; 7/65-4/70; eliminated 4/72 | |
| HHEX | H & H Engineering Construction, Inc. | Jul-00 |
| HHHX | Public Service Co. of Colorado | added 10/2000 |
| HHMX | Golden Eagle Petroleum Co. | eliminated 7/65 |
| HI | Holton Inter-Urban Ry. Co. | 4/38-10/66 & 1/75-1/80; eliminated 4/86 |
| HIIX | Hamburg Industries, Inc. | added 4/76; 1/80; eliminated 4/84 |
| Hamburg Industries, a Division of Trailer Train Co. | added 4/84; eliminated 7/84 | |
| Trailer Train Co., Hamburg Division | added 7/84; eliminated 1/92 | |
| TTX Co., Hamburg Division | added 1/92; 1/94; eliminated 7/96 | |
| TTX Co., Hamburg Division | Jul-00 | |
| HIMX | Heppner Iron & Metal Co. | added 1/75; 1/75-1/80; eliminated 5/83; eliminated 7/88 |
| HINX | Heritage Inks International Corp. | eliminated 1/98; 7/2000 |
| HIPX | Hawkeye Produce Co. | 1/52; eliminated 1/53 |
| Houston Lighting & Power Co. | eliminated 7/2000 | |
| Reliant Energy HL&P | added 7/2000; 7/2000 | |
| HJBX | H.J. Baker & Bro., Inc. | added 10/81; eliminated 1/82; 1/94-7/2000 |
| HJHX | H.J. Heinz Co. | 4/38-7/65; eliminated 7/66 |
| HJMX | Sterling Fuels | 10/57-4/70; eliminated 1/71 |
| HJVX | Helm Locomotive Leasing | added 4/90; 1/94-7/2000; eliminated 4/2001 |
| HLCX | J.M. Huber Inc. | Apr-38 |
| Howes Leather Co., Inc. | added 4/68; eliminated 1/70 | |
| Helm Financial Corp. | added 7/92; 1/94-7/2000 | |
| HLEX | Huntsman Polymers Corp. | 7/2000; added 1/2001 |
| HLGX | HELM Financial Corp. | added 7/98; 7/2000 |
| HLLX | Helm Locomotive Leasing | added 1/93; 1/94-7/2000; eliminated 4/2001 |
| HLMX | H.L. Mills | 4/38-7/65; eliminated 4/66 |
| HELM Financial Corp. | 1/94-7/2000 | |
| HLNE | Hillsboro and North Eastern Ry. Co. | 1/75-1/80 |
| HLPX | Houston Lighting & Power Co. | 1/52-1/80; eliminated 5/83 |
| HLSC | Hampton Ry., Inc. | added 10/95; 7/2000 |
| HLX | (North American Car Corp.) | Apr-38 |
| HLYX | Holly Sugar Corp. | 1/52-10/66; eliminated 7/68 |
| HMAX | Huntsman Specialty Chemicals Corp. | added 7/94; eliminated 4/96 |
| Huntsman Corp. | added 4/96; 7/2000 | |
| HMCR | The Huntsville and Madison County R.R. Authority | 1/94; eliminated 4/97; 7/2000 |
| HMCX | HoltraChem Manufacturing Co., L.L.C. | added 7/95; eliminated 7/97; 7/2000 |
| HMFX | Century Industries | added 10/71; 1/75 |
| Florida Rock Industries, Inc. | 1/80; eliminated 5/83; 1/94-7/2000 | |
| HMHX | Tank Car Corp. of America | 4/38-1/75; eliminated 10/78 |
| HMIX | Henkels & McCoy, Inc. (MofW cars) | 1/94; added 7/97; 7/2000 |
| HMJX | HM Joint Venture | added 7/93; 1/94 |
| HELM Financial Corp. | eliminated 10/94 | |
| HM Joint Venture | eliminated 7/95 | |
| HELM Financial Corp. | added 7/95; 7/2000 | |
| HMPX | Halstead Metal Products, Inc. | added 1/66; 10/66; eliminated 7/69 |
| HMR | Hoboken Manufacturers | 1/80-7/2000 |
| HMTX | Hyman Michaels Tank Line (General American Transportation Corp.) | Apr-38 |
| HMX | Hyman-Michaels Co. | 4/38-1/75 |
| Hyman-Michaels Co., a Division of Azcon Corp. | 1/80; eliminated 4/84 | |
| HN | Hutchinson and Northern Ry. Co. | 1/75; added 1/78; 1/80; eliminated 7/87; eliminated 10/93; 1/94-7/2000 |
| HNZX | Merchants Despatch Transporation Corp. | added 7/55; 10/57-4/70; eliminated 10/71 |
| HOCX | Head-On Collision Line | added 4/57; 10/57-1/80; eliminated 1/91 |
| HOG | Heart of Georgia R.R., Inc. | Jul-00 |
| HOGX | Clougherty Packing Co. | added 1/90; 1/94; eliminated 4/97 |
| HOKX | Hooker Electrochemical Co. | 4/38-10/57; eliminated 10/58 |
| Hooker Chemical Corp. | added 10/58; 4/61-4/70 | |
| Hooker Chemicals and Plastics Corp. | 1/75-1/80; eliminated 10/82 | |
| Occidental Chemical Corp., Hooker Industrial & Specialty Chemicals | added 10/82; eliminated 7/84 | |
| Occidental Chemical Corp., Industrial & Specialty Chemicals | added 7/84; eliminated 7/87 | |
| Occidental Chemical Corp., Electrochemicals, Detergent & Specialty Products Group | added 7/87; eliminated 1/88 | |
| Occidental Chemical Corp., Electrochemicals, Detergents & Specialty Products | added 1/88; eliminated 10/89 | |
| Occidental Chemical Corp., Electrochemicals & Specialty Products | added 10/89; eliminated 1/92 | |
| Occidental Chemical Corp. | added 1/92; 1/94-7/2000 | |
| HOMX | Home Petroleum Corp. | added 10/78; 1/80; eliminated 5/83 |
| Home Oil Co., Ltd. | added 5/83; 1/94; eliminated 1/97 | |
| PLM International, Inc. | added 1/97; 7/2000 | |
| HONX | Honeymead Products Co. | added 1/80; 1/80; eliminated 4/89 |
| Honeymead Products Co. (Division of Harvest States Cooperatives) | added 4/89; 1/94-7/2000; eliminated 10/2000 | |
| HORX | Hodgeson Oil Refining Co. | Apr-38 |
| HOS | Hoosier Southern R.R. | Jul-00 |
| HOSC | Hoosier Connection, The Indiana Eastern R.R. and Transportation, Inc. | added 7/79 |
| The Hoosier Connection | Jan-80 | |
| Hoosier Connection, The Indiana Eastern R.R. and Transportation, Inc. | eliminated 7/81; eliminated 1/85 | |
| HOTX | Chicago Freight Car Leasing Co. | 7/65-1/80; added 10/86 |
| HOUX | Houston Chemical Corp. | eliminated 7/65; added 4/66; 10/66-4/70; eliminated 4/71 |
| HOUX | PPG Industries, Inc. | 1/75-1/80 |
| HOX | Humble Oil & Refining Co. | Apr-38 |
| HPAX | Hunter Packing Co. (Mather Stock Car Co.) | Apr-38 |
| Mather Stock Car Co. | Jan-52 | |
| Hammermill Paper Co. | added 1/71; 1/75-1/80; eliminated 1/92 | |
| International Paper Co. | added 1/92; 1/94-7/2000 | |
| HPCX | Hercules Powder Co., Inc. | 4/38-7/65; eliminated 7/66 |
| Hercules Inc. | added 7/66; 10/66-7/2000 | |
| HPIX | Himont U.S.A., Inc. | 1/94; eliminated 4/96 |
| Montell U.S.A., Inc. | added 4/96; 7/2000; eliminated 1/2001 | |
| Basell U.S.A., Inc. | added 1/2001 | |
| HPJX | Helm-Pacific Leasing | added 7/93; 1/94 |
| HELM Financial Corp. | eliminated 10/94 | |
| Helm-Pacific Leasing | Jul-00 | |
| HPLX | Humble Pipe Line Co. | added 1/67; 4/70 |
| Exxon Pipeline Co. | 1/75; eliminated 1/77 | |
| Exxon Co., U.S.A. | added 1/77; 1/80; 1/94; eliminated 7/2000 | |
| Exxon Mobil Corp. | added 7/2000 | |
| HPOX | Hansen Packing Co. | Apr-38 |
| HPPX | Huntsman Polypropylene Corp. | added 4/88; 1/94-7/2000 |
| HPTD | High Point, Thomasville & Denton R.R. Co. | 1/75-7/2000 |
| HPX | Houston Packing Co. | 4/38-1/52 |
| HRCX | Heritage Railcar | 1/94-7/2000 |
| HRDL | Hudson River Day Line | 1/75-1/80 |
| HRDX | Hydrocarbons Inc. | added 10/74; 1/75 |
| M-P Petroleum Ltd. | eliminated 10/78 | |
| Silver Star Enterprises, Inc. | added 1/94; 7/2000 | |
| HREX | Heavy Railroad Excavations, Inc. | Jul-00 |
| HRIX | Merchants Despatch Transportation Corp. | 10/57-10/66; eliminated 10/69 |
| HRRC | Housatonic R.R. Co., Inc. | added 4/88; 1/94-7/2000 |
| HRRX | Bankers Tank Car Management, Inc. | 1/80; eliminated 4/84 |
| Consolidated Transportation Corp. | added 4/84 | |
| On-Track Railcar Services, Inc. | added 4/88; eliminated 10/88; added 4/89; 1/94-7/2000 | |
| HRS | Holidaysburg and Roaring Spring R.R. Co. | Jul-00 |
| HRSX | Heritage Ry. Service, Inc. | added 7/86; eliminated 1/90 |
| HRT | Hartwell Ry. Co. | 1/75-1/80; added 4/81; eliminated 4/88; eliminated 4/91 |
| Hartwell R.R. Co. | added 4/91; 1/94; eliminated 7/97; 7/2000 | |
| HS | Hartford and Slocomb R.R. Co. | 1/75-1/80; eliminated 10/92 |
| H&S R.R. Co. | added 10/92; 1/94-7/2000 | |
| HSCX | Hammond Standish & Co. | Apr-38 |
| Steel Wheels Ltd. | added 7/84; eliminated 7/93; 1/94-7/2000 | |
| HSIX | Housing Starts Inc. | added 7/95; eliminated 10/97; 7/2000 |
| HSMX | Housmex, Inc. | added 1/86; eliminated 7/92; 1/94 |
| HSRR | Hardin Southern R.R., Inc. | 1/94-7/2000 |
| HSTX | Hinckley & Schmitt | 1/52-4/61; eliminated 1/65 |
| HSW | Helena Southwestern R.R. Co. | 1/75; added 7/79; 1/80; eliminated 1/89; eliminated 4/89 |
| HSWX | Min-Ad, Inc. | 4/70; added 7/70; eliminated 10/70 |
| HSX | Hamilton & Sons Canning Co. | Apr-38 |
| HT | Howard Terminal | Jan-75 |
| H&TC | Houston & Texas Central R.R. | 4/38-1/52 |
| HTCX | Harbor Tank Line Co. | 4/38-4/70; eliminated 10/71 |
| Arthur Equipment Co. | added 10/71 | |
| Transportation Corp. of America | 1/75-1/80; eliminated 4/91 | |
| Chrysler Rail Transportation Corp. | added 4/91; eliminated 1/94 | |
| General Electric Railcar Services Corp. | added 1/94; eliminated 1/2000 | |
| General Electric Rail Services Corp. | added 1/2000; 7/2000 | |
| HTLX | Haymer Transport Leasing Co. | added 1/70; 4/70 |
| HTPX | H. Thiessen Pickle Co. | 1/52-10/57; eliminated 4/61 |
| HTTX | Trailer Train Co. | added 4/68 |
| Trailer Train Co. (FMS flats specifically equipped with heavy duty chains, snubbers and turnbuckles, secured to moveable and retractable tiedown anchors, in four longitudinal channels) | Oct-68 | |
| Trailer Train Co. | Apr-70 | |
| Trailer Train Co. (flat cars equipped with 38 heavy duty chains, with snubbers and turnbuckles, each secured to movable and retractable tie-down winches in 4 longitudinal channels, for transporting large earth moving equipment) | 1/75-1/80; eliminated 1/92 | |
| TTX Co. (flat cars equipped with 38 heavy duty chains, with snubbers and turnbuckles, each secured to movable and retractable tie-down winches in 4 longitudinal channels, for transporting large earth moving equipment) | added 1/92; 1/94 | |
| TTX Co. (flat cars equipped with 38 heavy duty chains, with snubbers and turnbuckles, each secured to movable and retractable tie-down winches in 4 longitudinal channels, for transporting large earth-moving equipment, equipped with end of car cush.) | Jul-00 | |
| HTW | Hoosac Tunnel & Wilmington | 1/94-7/2000 |
| HTX | The Hewitt Soap Co., Inc. | Apr-38 |
| Houston Tank Car Co. | 1/52-10/57 | |
| HUAX | Huasteca Petroleum Co. | Apr-38 |
| HUBA | Hudson Bay | 1/75-1/80 |
| HUCX | Huron Portland Cement Co. | 4/38-4/61 |
| HUDX | Hudson Technologies, Inc. | Jul-00 |
| HUNX | Huntting Elevator Co. | added 1/83; eliminated 10/90 |
| HUTX | Hutchinson Transportation Co. | added 1/97; 7/2000 |
| HV | Chesapeake & Ohio | Apr-38 |
| HWCX | Halliburton Oil Well Cementing Co. | 1/52-10/57; eliminated 10/60 |
| HWCX | Halliburton Co. | added 10/60; 4/61-7/2000 |
| HWMX | The H.W. Madison Co. | 4/38-10/57; eliminated 4/61 |
| HWPX | Hiram Walker & Sons, Inc. | added 1/65; 7/65-7/2000 |
| HWRX | Hi-Way Refineries Ltd. | Jan-52 |
| HWSX | Hiram Walker & Sons, Ltd. | 4/38-1/75 |
| HWX | H.F. Wilcox Oil & Gas Co. | Apr-38 |
| Wilcox Oil Co. | 1/52-10/57; eliminated 7/58 | |
| HX | Hickok Oil Corp. | Apr-38 |
| HYDX | Union Carbide Corp., Chemicals Division | 7/65-10/66; eliminated 10/67 |
| Union Carbide Corp., Chemicals and Plastics | added 10/67; eliminated 1/68 | |
| Union Carbide Corp., Chemicals and Plastics Operations Division | added 1/68; 4/70-1/75; eliminated 1/79 | |
| Union Carbide Corp., Chemicals and Plastics Division | added 1/79; 1/80; eliminated 7/80 | |
| Union Carbide Corp., Chemicals and Plastics Co., Inc. | added 7/80 | |
| Union Carbide Corp. | eliminated 10/80 | |
| Union Carbide Corp., Chemicals and Plastics Co., Inc. | added 7/80 | |
| Union Carbide Corp., Chemicals and Plastics Division | added 10/80 | |
| Union Carbide Corp., Chemicals and Plastics Co., Inc. | eliminated 5/83 | |
| Union Carbide Corp. | added 5/83 | |
| Union Carbide Corp., Chemicals and Plastics Co., Inc. | eliminated 1/93 | |
| Praxair, Inc. | added 1/93; 1/94-7/2000 | |
| HYGX | North American Car Corp. | 1/52-7/65; eliminated 10/65 |
| HYTX | Hygrade Food Products Corp. | Jan-52 |
| Hytrans, Inc. | added 7/77; 1/80; eliminated 10/83 | |
| HYWX | Georgia Power Co. | added 4/99; 7/2000 |
| HZGX | Herzog Contracting Corp. | added 7/91; 1/94-7/2000 |
| HZX | The Hegeler Zinc Co. | 4/38-1/52 |