---
title: "IVEY JAMES G — Ownership Dossier"
canonical: https://whiteintel.dev/entity/eec8fa3f-8baa-587b-a73e-abf72bd44828
json: https://whiteintel.dev/api/public/dossier/eec8fa3f-8baa-587b-a73e-abf72bd44828
identifier: sec:0001295218
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# IVEY JAMES G

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001295218`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/eec8fa3f-8baa-587b-a73e-abf72bd44828  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/eec8fa3f-8baa-587b-a73e-abf72bd44828  

## Ownership & control

### Holdings / subsidiaries

- **MARKWEST ENERGY PARTNERS L P** (officer) — https://whiteintel.dev/entity/f328b9af-54e6-50ba-ab36-44b00f6a94f2
- **MARKWEST HYDROCARBON INC** (officer) — https://whiteintel.dev/entity/5eb6e16d-e294-5ca9-ab66-a1b7d95b7de6
- **MIDCOAST ENERGY PARTNERS, L.P.** (director) — https://whiteintel.dev/entity/97efd473-4b07-5565-8b79-f75f21b13aa2
- **MARKWEST HYDROCARBON INC** (other) — https://whiteintel.dev/entity/5eb6e16d-e294-5ca9-ab66-a1b7d95b7de6
- **MARKWEST ENERGY PARTNERS L P** (other) — https://whiteintel.dev/entity/f328b9af-54e6-50ba-ab36-44b00f6a94f2

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **IVEY JAMES G**. Human view: https://whiteintel.dev/entity/eec8fa3f-8baa-587b-a73e-abf72bd44828 · Structured JSON: https://whiteintel.dev/api/public/dossier/eec8fa3f-8baa-587b-a73e-abf72bd44828._

_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"._