---
title: "HIMLER MATTHEW H — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4aec400e-ee02-546d-8e27-5b586799f5ca
json: https://whiteintel.dev/api/public/dossier/4aec400e-ee02-546d-8e27-5b586799f5ca
identifier: sec:0001700623
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HIMLER MATTHEW H

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001700623`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4aec400e-ee02-546d-8e27-5b586799f5ca  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4aec400e-ee02-546d-8e27-5b586799f5ca  

## Ownership & control

### Holdings / subsidiaries

- **Custom Truck One Source, Inc.** (director) — https://whiteintel.dev/entity/063b94b8-c0e2-5342-9204-0837fdeb64c3
- **ProPetro Holding Corp.** (director) — https://whiteintel.dev/entity/9f34617f-3473-56cb-9561-0d06ca016643

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HIMLER MATTHEW H**. Human view: https://whiteintel.dev/entity/4aec400e-ee02-546d-8e27-5b586799f5ca · Structured JSON: https://whiteintel.dev/api/public/dossier/4aec400e-ee02-546d-8e27-5b586799f5ca._

_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"._