---
title: "MASSE GARY A — Ownership Dossier"
canonical: https://whiteintel.dev/entity/866bb243-a856-5677-8b4b-fe7aed74fa25
json: https://whiteintel.dev/api/public/dossier/866bb243-a856-5677-8b4b-fe7aed74fa25
identifier: sec:0001360829
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MASSE GARY A

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0001360829`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/866bb243-a856-5677-8b4b-fe7aed74fa25  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/866bb243-a856-5677-8b4b-fe7aed74fa25  

## Ownership & control

### Holdings / subsidiaries

- **A. M. CASTLE & CO.** (director) — https://whiteintel.dev/entity/c3d0f8cd-62c9-59a5-b750-a8c3f4e652e5
- **COOPER INDUSTRIES LTD** (officer) — https://whiteintel.dev/entity/fc1e8893-06bb-5df1-8a0a-bcd60ae5f620

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MASSE GARY A**. Human view: https://whiteintel.dev/entity/866bb243-a856-5677-8b4b-fe7aed74fa25 · Structured JSON: https://whiteintel.dev/api/public/dossier/866bb243-a856-5677-8b4b-fe7aed74fa25._

_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"._