---
title: "COLSON JOHN R — Ownership Dossier"
canonical: https://whiteintel.dev/entity/e8daeb2c-8d3c-5436-b424-edc4615504af
json: https://whiteintel.dev/api/public/dossier/e8daeb2c-8d3c-5436-b424-edc4615504af
identifier: sec:0001079430
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# COLSON JOHN R

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001079430`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/e8daeb2c-8d3c-5436-b424-edc4615504af  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/e8daeb2c-8d3c-5436-b424-edc4615504af  

## Ownership & control

### Holdings / subsidiaries

- **QUANTA SERVICES, INC.** (director) — https://whiteintel.dev/entity/9a8d1f66-bea1-58c3-a386-174c8b89b5e0
- **QUANTA SERVICES, INC.** (officer) — https://whiteintel.dev/entity/9a8d1f66-bea1-58c3-a386-174c8b89b5e0
- **U.S. CONCRETE, INC.** (director) — https://whiteintel.dev/entity/8d16c53c-1f34-566f-a37d-16f632d5840b

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **COLSON JOHN R**. Human view: https://whiteintel.dev/entity/e8daeb2c-8d3c-5436-b424-edc4615504af · Structured JSON: https://whiteintel.dev/api/public/dossier/e8daeb2c-8d3c-5436-b424-edc4615504af._

_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"._