---
title: "SIWEK STEVEN M — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e12e732d-cad2-54b2-96d0-79a74cd4a20e
json: https://whiteintel.dev/api/public/dossier/e12e732d-cad2-54b2-96d0-79a74cd4a20e
identifier: sec:0001671498
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SIWEK STEVEN M

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001671498`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e12e732d-cad2-54b2-96d0-79a74cd4a20e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e12e732d-cad2-54b2-96d0-79a74cd4a20e  

## Ownership & control

### Holdings / subsidiaries

- **ALLIANCE HEALTHCARE SERVICES, INC** (officer) — https://whiteintel.dev/entity/6b198f0d-a8e7-56ad-8c66-b30175690d53

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SIWEK STEVEN M**. Human view: https://whiteintel.dev/entity/e12e732d-cad2-54b2-96d0-79a74cd4a20e · Structured JSON: https://whiteintel.dev/api/public/dossier/e12e732d-cad2-54b2-96d0-79a74cd4a20e._

_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"._