---
title: "Porter - Sidney I. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b9c62855-710d-5e9f-a17e-5af89aabc532
json: https://whiteintel.dev/api/public/dossier/b9c62855-710d-5e9f-a17e-5af89aabc532
identifier: icij:icijol-80113638
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Porter - Sidney I.

**Type:** Organization  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `icij:icijol-80113638`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b9c62855-710d-5e9f-a17e-5af89aabc532  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b9c62855-710d-5e9f-a17e-5af89aabc532  

## Ownership & control

### Holdings / subsidiaries

- **Bay State Insurance Company, Ltd.** (shareholder of) — https://whiteintel.dev/entity/3234a585-615f-5936-8519-92c0cd3e2a1b

## Provenance

- ICIJ Offshore Leaks — https://offshoreleaks.icij.org/nodes/80113638

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Porter - Sidney I.**. Human view: https://whiteintel.dev/entity/b9c62855-710d-5e9f-a17e-5af89aabc532 · Structured JSON: https://whiteintel.dev/api/public/dossier/b9c62855-710d-5e9f-a17e-5af89aabc532._

_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"._