---
title: "AMPCO PITTSBURGH CORP — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4891ce0b-0aeb-564c-82ff-7c804d44090a
json: https://whiteintel.dev/api/public/dossier/4891ce0b-0aeb-564c-82ff-7c804d44090a
identifier: sec:0000006176
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# AMPCO PITTSBURGH CORP

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0000006176`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4891ce0b-0aeb-564c-82ff-7c804d44090a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4891ce0b-0aeb-564c-82ff-7c804d44090a  

## Ownership & control

### Owners / controllers

- **LOUIS BERKMAN INVESTMENT CO** (tenpercentowner) — https://whiteintel.dev/entity/efdf7ae1-2bc6-592b-8be5-48e73a9fd9f7
- **ALTOR II AGGREGATOR TOPCO LTD** (tenpercentowner) — https://whiteintel.dev/entity/1af7ee57-a616-5b2c-a868-ae1f24dc79d0
- **GAMCO INVESTORS, INC. ET AL** (tenpercentowner) — https://whiteintel.dev/entity/39aa135a-8fa9-5bab-abd9-6d47c95c7a79
- **Associated Capital Group, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/6490fdd4-8985-5753-a691-6b4adee3965f
- **GABELLI MARIO J** (tenpercentowner) — https://whiteintel.dev/entity/01887765-ad1c-5550-b466-49076154d5b6
- **GGCP, INC.** (tenpercentowner) — https://whiteintel.dev/entity/1094e693-7081-541f-9747-36d5245e6ef9
- **ALTOR FUND II GP LTD** (tenpercentowner) — https://whiteintel.dev/entity/86c2200d-2b69-5a83-90a6-a58f4ac928e8
- **ALTOR HOLDINGS LTD** (tenpercentowner) — https://whiteintel.dev/entity/512629f4-cdf0-5b83-8675-e195820bb3d8
- **BERKMAN LOUIS** (tenpercentowner) — https://whiteintel.dev/entity/6414685d-470b-52ee-9e27-e37f97da014b

### UBO chain (walk to the ultimate owner)

A **174-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **AMPCO PITTSBURGH CORP** — https://whiteintel.dev/entity/4891ce0b-0aeb-564c-82ff-7c804d44090a · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **AMPCO PITTSBURGH CORP**. Human view: https://whiteintel.dev/entity/4891ce0b-0aeb-564c-82ff-7c804d44090a · Structured JSON: https://whiteintel.dev/api/public/dossier/4891ce0b-0aeb-564c-82ff-7c804d44090a._

_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"._