---
title: "WELCH JOHN R. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/30369586-e669-57ff-817e-8a1070b5253f
json: https://whiteintel.dev/api/public/dossier/30369586-e669-57ff-817e-8a1070b5253f
identifier: sec:0001611303
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# WELCH JOHN R.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001611303`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/30369586-e669-57ff-817e-8a1070b5253f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/30369586-e669-57ff-817e-8a1070b5253f  

## Ownership & control

### Holdings / subsidiaries

- **CLEAN HARBORS INC** (director) — https://whiteintel.dev/entity/4f026b65-b966-51be-a30d-a5f099524f54

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **WELCH JOHN R.**. Human view: https://whiteintel.dev/entity/30369586-e669-57ff-817e-8a1070b5253f · Structured JSON: https://whiteintel.dev/api/public/dossier/30369586-e669-57ff-817e-8a1070b5253f._

_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"._