| A. Garrison Foundry Company (Pittsburgh, PA) | 70 |
| A.J. Cameron & Company (Philadelphia, PA) | 68 |
| A.J. Robinson Company | 119 |
| Adirondack Power & Light Corporation | 130 |
| Aeromarine Klemm Corporation | 112 |
| Allied Engineers, Inc. | 140 |
| Altoona & Logan Valley Electric Railway Company, Power Plant | 105 |
| Aluminum Company of America | 59, 129 |
| Ambursen Hydraulic Construction Company | 58 |
| American Gas & Electric Company, Generating Station (Windsor, WV) | 27 |
| American Railways Company | 64 |
| American Wood Board Company | 58, 95 |
| Amsterdam Steam Station | 130 |
| Amsterdam Street Railway, Rockton Extension | 90 |
| Antioquia Railroan | 64 |
| Apartment House (New York, NY) | 28 |
| Art Gallery Roof for H.O. Havemeyer (New York, NY) | 119 |
| Ash Fork Steel Dam (Santa Fe, NM) | 78 |
| Atlantic & Pacific Railway | 38 |
| Atlantic, Gulf & Pacific Company | 59 |
| Automobile | 54 |
| Bahia Extension Railroad | 60 |
| Baldwin Locomotive Works (Philadelphia, PA) | 31 |
| Baltimore and Ohio Railroad Company | 98 |
| Bank of Philadelphia and Trust Company | 139 |
| Barber Asphalt Paving Company, Plant (Des Moines, IA) | 126 |
| Battleship South Carolina, Engine | 64 |
| Bear Mountain Suspension Bridge (Hudson, River, NY) | 25 |
| Bear Trap Dam (Chicago, IL) | 77 |
| Bethlehem Steel Bridge Corporation | 102 |
| Bethlehem Steel Company | 136 |
| Binsse Machine Company (Newark, NJ) | 63 |
| Blackstone Hotel (Chicago, IL) | 106 |
| Boller and Hodge (New York) | 10 |
| Boller, Hodge and Baird | 13 |
| Boring and Drilling Machine | 63 |
| Boston and Albany Railroad Company (Springfield, MA) | 142 |
| Boston Elevated Railroad | 123 |
| Breakwater (Point Judith, RI) | 73 |
| Bridge | 72 |
| Bridge | 83 |
| Bridge (Allegheny River, Pittsburgh, PA) | 89 |
| Bridge (Ceredo, WV) | 53 |
| Bridge (Chicago, IL) | 25 |
| Bridge (Chicago, IL) | 40 |
| Bridge (Colorado River) | 38 |
| Bridge (Colorado River) | 67 |
| Bridge (Duluth, MN) | 34 |
| Bridge (East River, New York, NY) | 9 |
| Bridge (French River) | 85 |
| Bridge (Genesee River, Rochester, NY) | 69 |
| Bridge (Harlem River, New York, NY) | 37 |
| Bridge (Hawkesbury River, Australia) | 36 |
| Bridge (Hawthorne Avenue, Portland, OR) | 12 |
| Bridge (Hoosick, NY) | 105 |
| Bridge (Hudson River, NY) | 39 |
| Bridge (Hudson, River, NY) | 25 |
| Bridge (Kansas River, Topeka, KS) | 42 |
| Bridge (LaSalle Street, Chicago, IL) | 115 |
| Bridge (Mississippi River, Cairo, IL) | 57 |
| Bridge (Mississippi River, St. Louis, MO) | 13 |
| Bridge (Missouri River, East Omaha, NE) | 34 |
| Bridge (Mohawk River, NY) | 72 |
| Bridge (Monongahela River, Fairmont, WV) | 134 |
| Bridge (Monongahela River, Pittsburgh, PA) | 10, 76 |
| Bridge (New Orleans, LA) | 102 |
| Bridge (New York, NY) | 14 |
| Bridge (Newark Bay, Bayonne, NJ) | 136 |
| Bridge (Niagara Falls, NY) | 6, 44 |
| Bridge (Nus River, Monos, Colombia) | 64 |
| Bridge (Ohio River, Louisville, KY) | 38, 81 |
| Bridge (Poughkeepsie, NY) | 33 |
| Bridge (Rio Grande) | 62 |
| Bridge (Seattle, WA) | 133 |
| Bridge (Sewickley, PA) | 54 |
| Bridge (St. Croix River, Prescott, WI) | 110 |
| Bridge (Zanesville, OH) | 53 |
| Bridge Pier Renewal (Troy, NY) | 67 |
| Bridge Renewal (Niagara Falls, NY) | 55 |
| Bridge Walkway (Tegucigalpa, Honduras) | 103 |
| Bridge, East St. Louis Connecting Railway | 95 |
| Brooklyn Bridge (New York, NY) | 14 |
| C., S. F. & C. Railroad | 83 |
| Cable Rope | 37 |
| Cambria Steel Company | 78, 94, 134 |
| Canadian Bridge Company, Ltd. | 85 |
| Canadian Pacific Railway | 85 |
| Cassatt, Alexander J., Statue | 22 |
| Casting Sheet Piles, Storm Protection (Port Arthur, TX) | 138 |
| Cedar Grove Reservoir (Newark, NJ) | 92 |
| Central Arizona Power & Light Company | 23 |
| Central Highway (Cuba) | 137 |
| Chesapeake & Ohio Railroad | 114 |
| Chevah Dam (Little Tennessee River, North Carolina) | 129 |
| Chicago and Northwestern Railway | 17, 25 |
| Chicago Bridge and Iron Company | 23, 125 |
| Chicago, Milwaukee & St. Paul Railway | 71, 127 |
| Chicago Ship Building Company | 74 |
| Christie & Lowe | 50, 77 |
| Clonbrock Steam Boiler Company (Brooklyn, NY) | 135 |
| Cluett, Peabody & Company (Troy, NY) | 140 |
| Coal Handling Apparatus | 123 |
| Coast and Geodetic Survey (Colombia) | 47 |
| Coke Ovens (Brookwood, AL) | 110 |
| Colorados Reef Lighthouse (Cuba) | 97 |
| Columbia Bridge Company (Dayton, OH) | 65 |
| Commandencia Street Wharf (Pensacola, FL) | 73 |
| Conduit (Atlantic City, NJ) | 80 |
| Conduit (Paris, France) | 75 |
| Connecticut Power Company | 24 |
| Connecticut Valley Power Exchange | 24 |
| Cooper & Wigand | 77 |
| Cooper Union School of Science (New York, NY) | 66 |
| Court House (Beatrice, NE) | 101 |
| Court House (Fort Worth, TX) | 97 |
| Culvert (Utica, NY) | 118 |
| Cutler-Hammer Manufacturing Company (Milwaukee, WI) | 133 |
| Delaware & Hudson Coal Company | 67 |
| D., M. & N. Railway | 129 |
| D.A. Tompkins Company (Charlotte, NC) | 68 |
| Dam (Mohawk River, Little Falls, NY) | 56 |
| Dam (Schuylerville, NY) | 58 |
| Dam (Wynantskill, West Sand Lake, NY) | 116 |
| Dam and Mills (Alice Falls, NY) | 121 |
| DeForest Radio Company, Exhaust Machine | 139 |
| Degnon-McLean Construction Company | 11, 143 |
| Dividing Engine | 43 |
| Drainage Canal (Chicago, IL) | 50 |
| Drake Hotel Company | 106 |
| Drexel Institute (Philadelphia, PA) | 43 |
| Dry Gas Cleaner, Automatic Controller | 133 |
| Duluth-Superior Bridge | 34 |
| Dwellings (Brooklyn, NY) | 33 |
| East St. Louis Connecting Railway | 95 |
| Eddy Valve Company (Waterford, NY) | 79 |
| Edge Moor Bridge Company | 5, 40, 53 |
| El Paso Foundry and Machine Company | 102 |
| Electric Welder | 45 |
| Electro Plating Machine | 75 |
| Federal Signal Company (Albany, NY) | 96 |
| Ferris Wheel, World's Columbian Exposition, 1893 (Chicago, IL) | 2 |
| Ferris, Kaufman & Company | 89 |
| Firestone Tire & Rubber Company, Plant (Akron, OH) | 44 |
| Flying Boat | 112 |
| Fonda, Johnstown & Gloversville Railroad | 128 |
| Fort Pitt Bridge Company | 54 |
| Fort Pitt Spring & Manufacturing Company (Pittsburgh, PA) | 29 |
| Fort Snelling-Mendota Bridge (MN) | 39 |
| Foundation and Contracting Company | 34 |
| Foundation Company | 8, 27 |
| Franklin Boiler Works Company, Water Tube Boiler (Troy, NY) | 82 |
| Franklin Coal Tipple (Johnstown, PA) | 94 |
| Galveston City Railway Company, Power House | 85 |
| Gas Works (Richmond, KY) | 62 |
| General Electric Company, Machine Shop (Lynn, MA) | 78 |
| General Electric Works (Erie, PA) | 130 |
| General Fire Extinguisher Company, Plant (Providence, RI) | 45 |
| General Railway Signal Company | 112 |
| Geological Map of New Jersey | 32 |
| Geological Map of New York | 32 |
| Geological Survey of Kentucky | 71 |
| George C. Diehl, Inc. | 24 |
| Godard & Sydow, Inc. | 137 |
| Goodyear Zeppelin Corporation | 142 |
| Graduating Engine | 52 |
| Grainger & Company (Louisville, KY) | 69 |
| Great Western Electro Chemical Company (Pittsburg, CA) | 26 |
| Guanica Harbor Map (Puerto Rico) | 125 |
| Guatemala Railway | 70 |
| Hartford Electric Light Company (Hartford, CT) | 24 |
| Haskelite Manufacturing Corporation (Grand Rapids, MI) | 40 |
| Hecla Coke Company, Coke Oven Plant (Trauger, PA) | 76 |
| Hedden Iron Construction Company | 103 |
| Helium Company, Gas Purification Plant (Louisville, KY) | 142 |
| Highway Improvement (Brunswick, NY) | 109 |
| Hortonsphere (Phoenix, AZ) | 23 |
| Hotel (Paineiras, Rio De Janeiro, Brazil) | 135 |
| Hotel Ansonia (New York, NY) | 111 |
| Hotel St. George (Brooklyn, NY) | 117 |
| Hudson and Manhattan Railroad, Morton Street Curve (New York, NY) | 117 |
| Hydraulic Dredge | 59 |
| Hydraulic Testing Machine | 48 |
| I. P. Morris Corporation, Turbines | 141 |
| Imperial Government Railway (Japan) | 61 |
| Imperial University Students (Tien-Tsin, China) | 118 |
| Indianapolis Switch & Frog Company | 91 |
| Ingersoll-Sergeant Drill Company, Broncho Channeler (Easton, PA) | 88 |
| Injectors | 52 |
| International Paper Company, Plant (Rumford Falls, ME) | 118 |
| Irving Iron Works Company | 103, 141 |
| Irving Subway Company | 103 |
| Island Petroleum Company | 104 |
| J.C. Penney Company, Inc., Warehouse (New York, NY) | 103 |
| J.B. Converse & Company | 138 |
| J.G. White & Company | 75 |
| J.W. Frazier Company | 123 |
| Jackson Architectural Iron Works | 37 |
| Jarrett Chambers Company | 15 |
| Joazeiro Station (Bahia, Brazil) | 60 |
| John A. Roebling's Sons Company (Trenton, NJ) | 11, 14, 25, 37 |
| John S. Metcalf Company, Ltd. | 131 |
| Johnson Improved Interlocking Machine | 93 |
| Jones & Laughlin Steel Company | 76 |
| Kansas City Terminal Railway | 51 |
| Keepers & Thacher | 42 |
| Kentucky and Indiana Terminal Railroad Company | 38 |
| Kingsbridge Power House (New York, NY) | 77 |
| Knights of Columbus Building (New York, NY) | 22 |
| Lafayette Radio Station (France) | 28 |
| Laurentide Power Company (Grand Mere, Canada) | 18 |
| Lawlor and Hasse | 86 |
| Lay Dam (Coosa River, AL) | 140 |
| Lippincott Glass Company | 88 |
| Locomobile Company of America (Bridgeport, CT) | 54 |
| Locomotive | 31 |
| Louisville & Nashville Railroad Company | 72, 73 |
| Louisville Bridge and Iron Company | 38 |
| Ludlow Valve Manufacturing Company (Troy, NY) | 100 |
| Manufactures Building, World's Columbian Exposition, 1893 (Chicago, IL) | 5 |
| McEntee & Sperling | 22 |
| McKelvy-Hine Company | 99 |
| Michigan Department of Health | 46 |
| Milwaukee Bridge Company | 97 |
| Milwaukee Electric Crane and Hoist Corporation, Gantry Crane | 142 |
| Moller and Schumann Company (Brooklyn, NY) | 96 |
| Monroe County Highway Improvement | 113 |
| Mormon Temple (Salt Lake City, UT) | 60 |
| N.Y., R.W. & O.R.R. Company | 69 |
| National Bridge Works | 28, 138 |
| National Steel Car Company (Hamilton, Canada) | 124 |
| New Jersey State Geologist | 32 |
| New Old South Church (Boston, MA) | 41 |
| New York Central and Hudson River Railroad | 17, 114 |
| New York Rapid Transit Railroad, Tracks (Coney Island, NY) | 131 |
| New York Shipbuilding Company, Machine Shop (Camden, NJ) | 35 |
| New York State Geologist | 32 |
| New York, NY | 21 |
| New York, Westchester and Boston Railway | 36 |
| Newburg Bridge and Structural Steel Works | 124 |
| Newport News Shipbuilding and Dry Dock Company (Newport News, VA) | 120 |
| Niagara Bridge Works | 72 |
| Niagara Falls Power Company | 141 |
| Nofold Press and Machine Company | 122 |
| Norfolk and Western Railway | 53 |
| Oklahoma Power and Water Company, Boiler Room | 94 |
| Ontario Power Company (Niagara Falls) | 58 |
| Ore Dock (Duluth, MN) | 129 |
| Ore Docks (Niagara River) | 35 |
| Ore Handling Apparatus | 123 |
| Osborne Engineering Company | 44, 53 |
| Oswego Canal, Lock Chamber | 84 |
| Otto Gas Engine Works (Philadelphia, PA) | 56 |
| Pacific Railway | 78 |
| Pacific Railway of Costa Rica | 62 |
| Panama Canal, Culebra Cut (Panama) | 30 |
| Paper Mill (Greenwich, NY) | 95 |
| Parish & Schroeder | 111 |
| Pavement (Troy, NY) | 128 |
| Pavement Armoring | 141 |
| Pencoyd Iron Works (Pencoyd, PA) | 31 |
| Pencoyd Steel Works | 6 |
| Pennsylvania Railroad Company | 16, 22 |
| Pennsylvania Salt Manufacturing Company (Natrona, PA) | 109 |
| Pennsylvania Steel Company | 9, 11, 34, 44 |
| Philadelphia & Reading Railway Company, Terminal Station | 18 |
| Philadelphia Depot (Philadelphia, PA) | 16 |
| Phoenix Bridge Company | 18, 38, 69 |
| Phoenix Iron Company | 48 |
| Pier and River Improvement (Albany, NY) | 132 |
| Pier and Tramway (Pitch Lake, Trinidad, British West Indies) | 108 |
| Pile Dikes (Kansas City, MO) | 71 |
| Pittsburgh Steel Foundry (Pittsburgh, PA) | 49 |
| Portable Asphalt Plant | 126 |
| Pumping Plant and Water Works (Corning, NY) | 49 |
| Queensboro Bridge (East River, New York, NY) | 9 |
| Rail Joint | 66 |
| Railroads (NY and Environs) | 46 |
| Railway Car Retarders and Classification Work | 112 |
| Red Rock Cantilever Bridge (Colorado River) | 38 |
| Rensselaer County Court House (Troy, NY) | 101 |
| Rensselaer Polytechnic Institute (Troy, NY) | 86 |
| Republic Coal Company (Roundup, MT) | 127 |
| Republic Iron and Steel Company | 98 |
| Rickert-Finlay Realty Company | 107 |
| Rigolets Bridge | 72 |
| Rio Grande Bridge | 62 |
| Rochester Bridge Works | 55 |
| Rochester Electric Railway and Car House | 108 |
| Rochester Railway Company |
113 |
| Rock Dredge (Ashtabula, OH) | 55 |
| Roebling Construction Company | 111 |
| Roosevelt Dam (AZ) | 102 |
| S.A. and A.P. Railway | 67 |
| Saguenay River Dam | 59 |
| Samuel F. Hodge & Company, Machine Works (Detroit, MI) | 74 |
| Sanderson & Porter | 85, 115 |
| Sanforizing Machine (Troy, NY) | 140 |
| Sanitary District (Chicago, IL) |
65 |
|
Santa Fe & California Railway |
40 |
| Santiago Electric Light and Power Company, Power House (Cuba) | 104 |
| Second Battalion Armory, Roof Trusses (Brooklyn, NY) | 124 |
| Sewage Disposal Plan (New York, NY) | 47 |
| Sewage Disposal Plant (Allentown, PA) | 132 |
| Sewage Disposal Plant (Charleston, MO) | 136 |
| Sewage Disposal Plant (Louisville, KY) | 122 |
| Sewer (Chicago, IL) | 26 |
| Sewer (Cleveland, OH) | 107 |
| Shear | 70 |
| Sheridan Drive (Buffalo, NY) | 24 |
| Shingle Hollow Bridge (Hoosick, NY) | 105 |
| Sibley Bridge (Chicago, IL) | 40 |
| Simplex Pasteur for Pasteurizing Milk | 82 |
| Slattery Engineering Company | 131 |
| Slide Rule | 42 |
| Solomon-Norcross Company (Atlanta, GA) | 122 |
| Solvay Process Company, Plant (Syracuse, NY) | 19 |
| Sooysmith & Company | 38, 40 |
| Spaulding Mine (Thomas, AL) | 98 |
| Spinning Frame Improvement | 68 |
| Springdale Power Station (Pittsburgh, PA) | 115 |
| Springfield Iron Company, Iron and Steel Works (Springfield, IL) | 57 |
| St. Patrick's Church (Troy, NY) | 83 |
| Stand Pipe (Syracuse, NY) | 81 |
| Standard Oil Building (New York, NY) | 15 |
| Standard Paving Company (Chicago, IL) | 126 |
| Standard Railroad Signal Company | 93 |
| Steamship Commandant de Rose | 27 |
| Steamship Connecticut | 87 |
| Steamship Frank W. Gilchrist | 50 |
| Steamship Manitou | 74 |
| Steamship Owego | 30 |
| Steel Traveler (Richmond, VA) | 114 |
| Stofflet & Tillotson | 139 |
| Stupp Brothers Bridge and Iron Company | 95 |
| Submarine Engine | 56 |
| Subway (18th Street Station, New York, NY) | 116 |
| Subway Manhole (Auburn, NY) | 106 |
| Subway under Erie & Lehigh Railroads (Rochester, NY) | 113 |
| Susquehanna and New York Railroad Company | 91 |
| Syracuse Water Works (Syracuse, NY) | 81 |
| Temple Malleable Iron Company, Annealing Ovens (Temple, PA) | 29 |
| Terminal Elevator (Sydney, Australia) | 131 |
| Thompson Electric Welding Company (Lynn, MA) | 45 |
| Topographical Survey of the Connellsville Coke Region | 143 |
| Track Intersections | 91 |
| Transit | 41 |
| Trojan Car Coupler | 93 |
| Troy-Cohoes Bridge (Hudson River, NY) | 39 |
| Turbine and Armature | 58 |
| Turbo Generator Discs | 49 |
| Union Bridge Company | 33, 36 |
| Union Carbide Company, Plant (Niagara Falls, NY) | 86 |
| Union Pacific Railroad | 90 |
| Union Railroad Company, Viaduct | 99 |
| United Engineering and Foundry Company | 7 |
| United Engineering Works (San Francisco, CA) | 120 |
| United Fruit Company | 103 |
| United Shirt and Collar Company (Troy, NY) | 63 |
| United States Bureau of Standards, Testing Machine | 48 |
| United States Government Building, World's Columbian Exposition, 1893 (Chicago, IL) | 89 |
| United States Navy | 28, 64 |
| United States Navy, Dry Dock (Balboa, Canal Zone) | 19 |
| United States Navy, Dry Dock (League Island, Philadelphia, PA) | 121 |
| United States Navy, Dry Dock (New Orleans, LA) | 51 |
| United States Navy, Supply Base (Brooklyn, NY) | 20 |
| United States Navy, Surface Condensers | 23 |
| United States Steel Corporation, Rail Mill (Gary, IN) | 7 |
| United States Wood Preserving Company | 100 |
| University Bridge (Seattle, WA) | 133 |
| Valves | 79, 100, 102 |
| Viaduct (Cincinnati, OH) | 69 |
| Viaduct (Guatemala) | 70 |
| Viaduct (Port Perry, PA) | 99 |
| Virginia & Pittsburgh Coal and Coke Company (Fairmont, WV) | 127 |
| Virginia Bridge and Iron Company | 67 |
| W. & L.E. Gurley (Troy, NY) | 41, 52 |
| Waddell and Harrington (Kansas City, MO) | 12 |
| Waddell and Hedrick | 34, 97 |
| Wailuku Sugar Plantation (Honolulu, HI) | 87 |
| Walker Chemical Laboratory (RPI, Troy, NY) | 86 |
| Washington Bridge (Harlem River, New York, NY) | 37 |
| Water Main Reconstruction (Troy, NY) | 84 |
| Water Purification Works (Richmond, MO) | 80 |
| Water Tower (Brooklyn, NY) | 79 |
| Water Tower (College Hill, OH) | 125 |
| Waterworks (Cambridge, NY) | 92 |
| West Bay City Shipbuilding Company | 50 |
| West Penn Power Company | 115 |
| West Side Structural Company | 83 |
| Wickwire Steel Company | 35 |
| Wigwam Reservoir, Dam (Waterbury, CT) | 99 |
| William Jennings Bryan Memorial Church (Cocoanut Grove, FL) | 137 |
| William Sellers & Company (Philadelphia, PA) | 52 |
| Williamsburg Bridge (New York, NY) | 11, 143 |
| Wilson Bros. & Company | 18, 43 |
| Wood Block Pavement | 100 |
| Woolworth Building (New York, NY) | 8 |
| World's Columbian Exposition, 1893 (Chicago, IL) | 2, 5, 89 |
| Young Men's Christian Association (New York, NY) | 111 |