---
title: "DIETZ JAMES T — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8bd582c3-d09a-5acd-bd43-4bf8635e9537
json: https://whiteintel.dev/api/public/dossier/8bd582c3-d09a-5acd-bd43-4bf8635e9537
identifier: sec:0001382738
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# DIETZ JAMES T

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001382738`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/8bd582c3-d09a-5acd-bd43-4bf8635e9537  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8bd582c3-d09a-5acd-bd43-4bf8635e9537  

## Ownership & control

### Holdings / subsidiaries

- **Koppers Holdings Inc.** (officer) — https://whiteintel.dev/entity/53a24497-89e5-572e-baac-9f84b1948100

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **DIETZ JAMES T**. Human view: https://whiteintel.dev/entity/8bd582c3-d09a-5acd-bd43-4bf8635e9537 · Structured JSON: https://whiteintel.dev/api/public/dossier/8bd582c3-d09a-5acd-bd43-4bf8635e9537._

_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"._