---
title: "MADDOCK ERNEST E — Ownership Dossier"
canonical: https://whiteintel.dev/entity/c0f2010e-4503-55ad-b923-c82ade6e1bdc
json: https://whiteintel.dev/api/public/dossier/c0f2010e-4503-55ad-b923-c82ade6e1bdc
identifier: sec:0001227050
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# MADDOCK ERNEST E

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001227050`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/c0f2010e-4503-55ad-b923-c82ade6e1bdc  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/c0f2010e-4503-55ad-b923-c82ade6e1bdc  

## Ownership & control

### Holdings / subsidiaries

- **AVNET INC** (director) — https://whiteintel.dev/entity/e76586dc-e91b-5d44-9886-e353e8d73e6b
- **TERADYNE, INC** (director) — https://whiteintel.dev/entity/665b8455-55c2-5267-833e-cfeca2c5699d
- **Ultra Clean Holdings, Inc.** (director) — https://whiteintel.dev/entity/f20d87b2-5312-5727-a646-35df6e8100e2
- **AVNET INC** (director) — https://whiteintel.dev/entity/e76586dc-e91b-5d44-9886-e353e8d73e6b
- **TERADYNE, INC** (director) — https://whiteintel.dev/entity/665b8455-55c2-5267-833e-cfeca2c5699d
- **AVNET INC** (director) — https://whiteintel.dev/entity/e76586dc-e91b-5d44-9886-e353e8d73e6b
- **Ouster, Inc.** (director) — https://whiteintel.dev/entity/e9bc8ca0-96c1-5219-ac35-3d024eae77f9
- **Ultra Clean Holdings, Inc.** (director) — https://whiteintel.dev/entity/f20d87b2-5312-5727-a646-35df6e8100e2
- **GRAF INDUSTRIAL CORP.** (director) — https://whiteintel.dev/entity/64880766-4e50-5e09-8cb7-25d2c46a02ba
- **MICRON TECHNOLOGY INC** (officer) — https://whiteintel.dev/entity/20ed416f-be60-5f35-9dab-56a11c30a77c
- **INTERSIL CORP/DE** (director) — https://whiteintel.dev/entity/61957b8a-cf0b-5888-a1b1-dd118522582d
- **RIVERBED TECHNOLOGY, INC.** (officer) — https://whiteintel.dev/entity/d81d1d05-3e05-5cb9-b07e-ddb9222f2753

…and **1** more subsidiaries/holdings. Resolve the full list with `get_dossier` on the WhiteIntel MCP (`npx -y @whiteintel/mcp-server`) or a one-off dossier — https://whiteintel.dev/pricing.

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **MADDOCK ERNEST E** — https://whiteintel.dev/entity/c0f2010e-4503-55ad-b923-c82ade6e1bdc · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MADDOCK ERNEST E**. Human view: https://whiteintel.dev/entity/c0f2010e-4503-55ad-b923-c82ade6e1bdc · Structured JSON: https://whiteintel.dev/api/public/dossier/c0f2010e-4503-55ad-b923-c82ade6e1bdc._

_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"._