---
title: "BREWSTER JOHN E JR — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2cd5ffc4-a603-500f-af9d-244b3fcc6296
json: https://whiteintel.dev/api/public/dossier/2cd5ffc4-a603-500f-af9d-244b3fcc6296
identifier: sec:0001351874
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BREWSTER JOHN E JR

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001351874`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/2cd5ffc4-a603-500f-af9d-244b3fcc6296  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2cd5ffc4-a603-500f-af9d-244b3fcc6296  

## Ownership & control

### Holdings / subsidiaries

- **WESTERN GAS RESOURCES INC** (director) — https://whiteintel.dev/entity/96a38e6f-528c-5c46-a194-4db93537893c
- **DUMA ENERGY CORP** (director) — https://whiteintel.dev/entity/16ba2df4-1c52-5ce7-87d5-0cc62b2762c4

## 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 **BREWSTER JOHN E JR** — https://whiteintel.dev/entity/2cd5ffc4-a603-500f-af9d-244b3fcc6296 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BREWSTER JOHN E JR**. Human view: https://whiteintel.dev/entity/2cd5ffc4-a603-500f-af9d-244b3fcc6296 · Structured JSON: https://whiteintel.dev/api/public/dossier/2cd5ffc4-a603-500f-af9d-244b3fcc6296._

_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"._