---
title: "LOUIS BERKMAN INVESTMENT CO — Ownership Dossier"
canonical: https://whiteintel.dev/entity/efdf7ae1-2bc6-592b-8be5-48e73a9fd9f7
json: https://whiteintel.dev/api/public/dossier/efdf7ae1-2bc6-592b-8be5-48e73a9fd9f7
identifier: sec:0001351834
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# LOUIS BERKMAN INVESTMENT CO

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001351834`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/efdf7ae1-2bc6-592b-8be5-48e73a9fd9f7  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/efdf7ae1-2bc6-592b-8be5-48e73a9fd9f7  

## Ownership & control

### Holdings / subsidiaries

- **AMPCO PITTSBURGH CORP** (tenpercentowner) — https://whiteintel.dev/entity/4891ce0b-0aeb-564c-82ff-7c804d44090a
- **AMPCO PITTSBURGH CORP** (other) — https://whiteintel.dev/entity/4891ce0b-0aeb-564c-82ff-7c804d44090a

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **LOUIS BERKMAN INVESTMENT CO**. Human view: https://whiteintel.dev/entity/efdf7ae1-2bc6-592b-8be5-48e73a9fd9f7 · Structured JSON: https://whiteintel.dev/api/public/dossier/efdf7ae1-2bc6-592b-8be5-48e73a9fd9f7._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._