---
title: "SURMA JOHN P — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3cd52815-a74b-586f-a20b-449581cfa0a2
json: https://whiteintel.dev/api/public/dossier/3cd52815-a74b-586f-a20b-449581cfa0a2
identifier: sec:0001229767
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# SURMA JOHN P

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001229767`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/3cd52815-a74b-586f-a20b-449581cfa0a2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3cd52815-a74b-586f-a20b-449581cfa0a2  

## Ownership & control

### Holdings / subsidiaries

- **MPLX LP** (director) — https://whiteintel.dev/entity/6ff8df4a-00c2-5d6a-9a8e-d66008f8a21a
- **MPLX LP** (director) — https://whiteintel.dev/entity/6ff8df4a-00c2-5d6a-9a8e-d66008f8a21a
- **Marathon Petroleum Corp** (director) — https://whiteintel.dev/entity/71da930a-91cb-5844-9d8a-a3e9a911be8b
- **PUBLIC SERVICE ENTERPRISE GROUP INC** (director) — https://whiteintel.dev/entity/b75cb03d-4cd2-5ebb-a80a-6f64ed358de8
- **Marathon Petroleum Corp** (director) — https://whiteintel.dev/entity/71da930a-91cb-5844-9d8a-a3e9a911be8b
- **Trane Technologies plc** (director) — https://whiteintel.dev/entity/cbb39996-9521-5d49-854c-c8b67b5186d3
- **MPLX LP** (director) — https://whiteintel.dev/entity/6ff8df4a-00c2-5d6a-9a8e-d66008f8a21a
- **CONCHO RESOURCES INC** (director) — https://whiteintel.dev/entity/597244bd-bded-520f-8243-407ddd3b9ccb
- **UNITED STATES STEEL CORP** (director) — https://whiteintel.dev/entity/c6d7f6b2-8ed1-5006-a9a6-9b987708cd17
- **UNITED STATES STEEL CORP** (officer) — https://whiteintel.dev/entity/c6d7f6b2-8ed1-5006-a9a6-9b987708cd17
- **Bank of New York Mellon Corp** (director) — https://whiteintel.dev/entity/125b3ff9-51b9-5153-8010-7e0d5f7c8524
- **CALGON CARBON CORP** (director) — https://whiteintel.dev/entity/bebe9bea-1aa3-5e83-b315-93b86fc1bf13
- **MELLON BANK CORP** (director) — https://whiteintel.dev/entity/25b08045-5b05-570f-9e64-4b9fc05a567c

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SURMA JOHN P**. Human view: https://whiteintel.dev/entity/3cd52815-a74b-586f-a20b-449581cfa0a2 · Structured JSON: https://whiteintel.dev/api/public/dossier/3cd52815-a74b-586f-a20b-449581cfa0a2._

_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"._