---
title: "ROWLAND G JOYCE — Ownership Dossier"
canonical: https://whiteintel.dev/entity/29b1e600-d125-5cc3-9fdc-a58eff2a2d13
json: https://whiteintel.dev/api/public/dossier/29b1e600-d125-5cc3-9fdc-a58eff2a2d13
identifier: sec:0001228379
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ROWLAND G JOYCE

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001228379`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/29b1e600-d125-5cc3-9fdc-a58eff2a2d13  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/29b1e600-d125-5cc3-9fdc-a58eff2a2d13  

## Ownership & control

### Holdings / subsidiaries

- **SEMPRA** (officer) — https://whiteintel.dev/entity/c2556436-f370-5d0b-8d6b-a9ae0b320dcd
- **SOUTHERN CALIFORNIA GAS CO** (director) — https://whiteintel.dev/entity/4479613c-b0a8-50f6-84ac-82b5b1e5f9c6

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ROWLAND G JOYCE**. Human view: https://whiteintel.dev/entity/29b1e600-d125-5cc3-9fdc-a58eff2a2d13 · Structured JSON: https://whiteintel.dev/api/public/dossier/29b1e600-d125-5cc3-9fdc-a58eff2a2d13._

_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"._