| Name | Lassig Bridge & Iron Works |
| Headquarters | Chicago, Illinois |
| Formed | 1885-01-01 |
| Defunct | 1900-01-01 |
| Preceded By | Lassig and Alden Bridge and Iron Works |
| Succeeded By | American Bridge Company |
| Key People | Moritz Lassig (Founder/Owner) August Ziesing (Chief Engineer) |
| Shop Location | Clybourn Avenue/Wrightwood Avenue; Chicago, Illinois |
| Dates Active | 1885-1900 |
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| Railroads Served | No railroads found for this builder. |
Lassig Bridge & Iron Works was a prominent manufacturer of railroad bridges for railroads throughout the Midwest and western United States. This page is under active development. Please check back soon for more.