---
title: "PRENDEVILLE MARK T — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e3ded1ea-ed67-5b59-b5e0-b87c1fcb9033
json: https://whiteintel.dev/api/public/dossier/e3ded1ea-ed67-5b59-b5e0-b87c1fcb9033
identifier: sec:0001229648
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# PRENDEVILLE MARK T

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001229648`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e3ded1ea-ed67-5b59-b5e0-b87c1fcb9033  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e3ded1ea-ed67-5b59-b5e0-b87c1fcb9033  

## Ownership & control

### Holdings / subsidiaries

- **SEMCO ENERGY INC** (officer) — https://whiteintel.dev/entity/a3e5bf01-fd2e-576e-86dc-168cca145118

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **PRENDEVILLE MARK T**. Human view: https://whiteintel.dev/entity/e3ded1ea-ed67-5b59-b5e0-b87c1fcb9033 · Structured JSON: https://whiteintel.dev/api/public/dossier/e3ded1ea-ed67-5b59-b5e0-b87c1fcb9033._

_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"._