Private company
Louis Berkman Investment CO
American company, incorporated in Ohio. Summary from the record
Last updated Oct 21, 2026.
Overview
- HeadquartersOH1
Corporate structure
Louis Berkman Investment CO sits at the top of its group. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.
- Louis Berkman Investment CO OH
- Ampco Pittsburgh Stake ยท Pittsburgh
Built from major holders from Schedules 13D and 13G; stakes of 5% or more it reported on Schedules 13D and 13G (1 companies). Each entity in the chart links to its source.
Stakes it holds
Louis Berkman Investment CO has told the SEC it owns more than 5% of 1 company, latest first (Schedules 13D and 13G).
- Ampco PittsburghSCHEDULE 13D/A Mar 1, 2022 to Nov 26, 20252
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1
- 2