---
title: "MCDONALD SIDNEY L — Ownership Dossier"
canonical: https://whiteintel.dev/entity/78d4e22f-7164-5b63-873f-9eae65ed1ea1
json: https://whiteintel.dev/api/public/dossier/78d4e22f-7164-5b63-873f-9eae65ed1ea1
identifier: sec:0001183843
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MCDONALD SIDNEY L

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001183843`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/78d4e22f-7164-5b63-873f-9eae65ed1ea1  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/78d4e22f-7164-5b63-873f-9eae65ed1ea1  

## Ownership & control

### Holdings / subsidiaries

- **INTERGRAPH CORP** (director) — https://whiteintel.dev/entity/0b90bb10-83ab-5e30-a73a-1640737c5f4d

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MCDONALD SIDNEY L**. Human view: https://whiteintel.dev/entity/78d4e22f-7164-5b63-873f-9eae65ed1ea1 · Structured JSON: https://whiteintel.dev/api/public/dossier/78d4e22f-7164-5b63-873f-9eae65ed1ea1._

_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"._