---
title: "TANSKI RONALD J — Ownership Dossier"
canonical: https://whiteintel.dev/entity/9b3d2413-d2f6-53cd-93c2-2f9b1086433e
json: https://whiteintel.dev/api/public/dossier/9b3d2413-d2f6-53cd-93c2-2f9b1086433e
identifier: sec:0001209940
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# TANSKI RONALD J

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001209940`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/9b3d2413-d2f6-53cd-93c2-2f9b1086433e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/9b3d2413-d2f6-53cd-93c2-2f9b1086433e  

## Ownership & control

### Holdings / subsidiaries

- **NATIONAL FUEL GAS CO** (director) — https://whiteintel.dev/entity/ba086bd3-64a0-59f9-a457-13595535ed23
- **NATIONAL FUEL GAS CO** (officer) — https://whiteintel.dev/entity/ba086bd3-64a0-59f9-a457-13595535ed23
- **NATIONAL FUEL GAS CO** (director) — https://whiteintel.dev/entity/ba086bd3-64a0-59f9-a457-13595535ed23
- **CMS ENERGY CORP** (director) — https://whiteintel.dev/entity/a7c7baec-6b9a-5650-adbb-0a0e52ba0b83
- **CONSUMERS ENERGY CO** (director) — https://whiteintel.dev/entity/8b38cd43-dc77-5594-8653-5adfba1c19b0

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **TANSKI RONALD J** — https://whiteintel.dev/entity/9b3d2413-d2f6-53cd-93c2-2f9b1086433e · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **TANSKI RONALD J**. Human view: https://whiteintel.dev/entity/9b3d2413-d2f6-53cd-93c2-2f9b1086433e · Structured JSON: https://whiteintel.dev/api/public/dossier/9b3d2413-d2f6-53cd-93c2-2f9b1086433e._

_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"._