---
title: "KELLER MARK A — Ownership Dossier"
canonical: https://whiteintel.dev/entity/82161d45-e580-5fd1-a565-64e2d0577599
json: https://whiteintel.dev/api/public/dossier/82161d45-e580-5fd1-a565-64e2d0577599
identifier: sec:0001183352
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# KELLER MARK A

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001183352`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/82161d45-e580-5fd1-a565-64e2d0577599  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/82161d45-e580-5fd1-a565-64e2d0577599  

## Ownership & control

### Holdings / subsidiaries

- **ROWAN COMPANIES INC** (officer) — https://whiteintel.dev/entity/e15a0fba-57cd-510a-a427-ea577c45da8d

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **KELLER MARK A**. Human view: https://whiteintel.dev/entity/82161d45-e580-5fd1-a565-64e2d0577599 · Structured JSON: https://whiteintel.dev/api/public/dossier/82161d45-e580-5fd1-a565-64e2d0577599._

_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"._