---
title: "TRESHAM WILLIAM R C — Ownership Dossier"
canonical: https://whiteintel.dev/entity/08efd70f-651c-59d4-9d33-230bec4efa35
json: https://whiteintel.dev/api/public/dossier/08efd70f-651c-59d4-9d33-230bec4efa35
identifier: sec:0001167956
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# TRESHAM WILLIAM R C

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001167956`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/08efd70f-651c-59d4-9d33-230bec4efa35  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/08efd70f-651c-59d4-9d33-230bec4efa35  

## Ownership & control

### Holdings / subsidiaries

- **TRIZEC PROPERTIES INC** (officer) — https://whiteintel.dev/entity/320956b7-2070-53e1-b08b-c0e83d486702

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **TRESHAM WILLIAM R C**. Human view: https://whiteintel.dev/entity/08efd70f-651c-59d4-9d33-230bec4efa35 · Structured JSON: https://whiteintel.dev/api/public/dossier/08efd70f-651c-59d4-9d33-230bec4efa35._

_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"._