Schuylkill and Susquehanna Navigation Company
The Schuylkill and Susquehanna Navigation Company was a limited liability corporation founded in Pennsylvania on September 29, 1791. The company was founded for the purpose of improving river navigation, which in the post-colonial United States era of the 1790s meant improving river systems, not canals.
Source: Wikipedia — Schuylkill and Susquehanna Navigation Company (CC BY-SA 4.0)