---
title: "MACWILLIAMS HEBER — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3899a1da-5264-593f-9c19-14d386eeaff1
json: https://whiteintel.dev/api/public/dossier/3899a1da-5264-593f-9c19-14d386eeaff1
identifier: sec:0001255666
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MACWILLIAMS HEBER

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001255666`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3899a1da-5264-593f-9c19-14d386eeaff1  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3899a1da-5264-593f-9c19-14d386eeaff1  

## Ownership & control

### Holdings / subsidiaries

- **OLYMPIC STEEL INC** (officer) — https://whiteintel.dev/entity/3d6f5b84-e5de-5b19-b856-7cab549eb0fc

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MACWILLIAMS HEBER**. Human view: https://whiteintel.dev/entity/3899a1da-5264-593f-9c19-14d386eeaff1 · Structured JSON: https://whiteintel.dev/api/public/dossier/3899a1da-5264-593f-9c19-14d386eeaff1._

_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"._