The following table was extracted from an Erie Railroad book of switching charges, effective July 1, 1937. It offers a look at the various businesses in Dunkirk, NY that were served by rail at that time. Undoubtedly, there were many others.
| Name of Industry | Business | Railroad Located On |
| American Hoe & Fork | Shovels | NYC |
| American Locomotive Co | Locomotives | Erie, NYC, PRR |
| American Locomotive Co | Sand, etc. | NYC&StL |
| Bartella, Frank | Gasoline & Oil | PRR |
| Cain Co., Inc. | Coal, Tile, Cement | Erie |
| Colonial Beacon Oil Co | Gasoline & Oil | PRR |
| Crocker Sprague | Coffee & Sugar | Erie |
| Desmond Coal Co | Gasoline & Oil | Erie |
| Desmond Fish Co | Coal & Fish | Erie |
| Dunkirk Builders Supply | Coal, Wood & Builders Supplies | Erie, NYC |
| Dunkirk Dock Corp | Sand & Gravel | Erie |
| Dunkirk Glass Works | Glass | NYC |
| Dunkirk Lumber & Coal | Coal & Wood | PRR |
| Dunkirk Public Dock | Dock | Erie |
| Dunkirk Radiator Corp | Radiators | NYC |
| Emblem Oil Co | Gasoline & Oil | NYC, PRR |
| Gestwicki, Leon | Coal & Wood | NYC |
| Jamestown Macadam | Oil coated stone | Erie |
| Kendall Refining Co | Oil & Gasoline | Erie |
| Koch, F Beverage Co | Beverages | NYC |
| Koplen Lumber & Coal | Lumber & Coal | NYC |
| Lake City Ice & Fuel | Coal, Fuel, etc. | Erie |
| Lake Shore Seed Co | Seeds | NYC |
| Lake Shore Oil Co | Sand, etc. | Erie |
| Ludlem Steel | Tool Steel | NYC&StL, PRR |
| McNamara | Coal | NYC |
| Madigan Lumber Co | Lumber | NYC&StL |
| Miester Contracting Co | Contractors | Erie, NYC |
| Miller, E.D. | Unloader | Erie |
| National Radiator Co | Radiators & Boilers | NYC |
| Proper, R.O. | Gasoline & Oil | Erie |
| Sinclair Refining Co | Gasoline & Oil | NYC |
| Smith, N.L. Lumber Co | Lumber & Coal | PRR |
| Standard Oil Co | Oil | NYC, NYC&StL |
| Team Track | ......... | NYC&StL |
| US Radiator Corp | Radiators | Erie |