---
title: "SHEFFIELD MARTIN — Ownership Dossier"
canonical: https://whiteintel.dev/entity/056ec6ee-86fe-59b9-a13f-e5a1d773d059
json: https://whiteintel.dev/api/public/dossier/056ec6ee-86fe-59b9-a13f-e5a1d773d059
identifier: sec:0001290469
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SHEFFIELD MARTIN

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001290469`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/056ec6ee-86fe-59b9-a13f-e5a1d773d059  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/056ec6ee-86fe-59b9-a13f-e5a1d773d059  

## Ownership & control

### Holdings / subsidiaries

- **ERIE INDEMNITY CO** (director) — https://whiteintel.dev/entity/3d66978f-6403-5e70-a4f2-937dd4cfd9a0

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SHEFFIELD MARTIN**. Human view: https://whiteintel.dev/entity/056ec6ee-86fe-59b9-a13f-e5a1d773d059 · Structured JSON: https://whiteintel.dev/api/public/dossier/056ec6ee-86fe-59b9-a13f-e5a1d773d059._

_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"._