---
title: "Argos SEM, LLC — Ownership Dossier"
canonical: https://whiteintel.dev/entity/95f34162-dcff-5425-abdd-b217f3550b28
json: https://whiteintel.dev/api/public/dossier/95f34162-dcff-5425-abdd-b217f3550b28
identifier: sec:0002009079
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Argos SEM, LLC

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0002009079`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/95f34162-dcff-5425-abdd-b217f3550b28  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/95f34162-dcff-5425-abdd-b217f3550b28  

## Ownership & control

### Holdings / subsidiaries

- **Summit Materials, Inc.** (10% owner) — https://whiteintel.dev/entity/fafa9fee-5772-506b-a9d8-d6555f574f38
- **Summit Materials, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/fafa9fee-5772-506b-a9d8-d6555f574f38
- **Summit Materials, Inc.** (director) — https://whiteintel.dev/entity/fafa9fee-5772-506b-a9d8-d6555f574f38

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Argos SEM, LLC**. Human view: https://whiteintel.dev/entity/95f34162-dcff-5425-abdd-b217f3550b28 · Structured JSON: https://whiteintel.dev/api/public/dossier/95f34162-dcff-5425-abdd-b217f3550b28._

_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"._