---
title: "ENVIRONMENTAL TECTONICS CORP — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b658dd26-3a39-5a8d-b326-da48b93e62d7
json: https://whiteintel.dev/api/public/dossier/b658dd26-3a39-5a8d-b326-da48b93e62d7
identifier: sec:0000033113
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ENVIRONMENTAL TECTONICS CORP

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0000033113`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b658dd26-3a39-5a8d-b326-da48b93e62d7  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b658dd26-3a39-5a8d-b326-da48b93e62d7  

## Ownership & control

### Owners / controllers

- **ADVANCED TECHNOLOGY ASSET MANAGEMENT LLC** (tenpercentowner) — https://whiteintel.dev/entity/e265b656-29fc-5718-ab6e-0958139e3d7a
- **LENFEST HAROLD FITZGERALD** (tenpercentowner) — https://whiteintel.dev/entity/30e1c451-555b-549d-a806-8759b5582065
- **MITCHELL WILLIAM F** (tenpercentowner) — https://whiteintel.dev/entity/1c9847ee-5924-59f4-a402-85a070851a72

### UBO chain (walk to the ultimate owner)

A **20-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key 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 **ENVIRONMENTAL TECTONICS CORP** — https://whiteintel.dev/entity/b658dd26-3a39-5a8d-b326-da48b93e62d7 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ENVIRONMENTAL TECTONICS CORP**. Human view: https://whiteintel.dev/entity/b658dd26-3a39-5a8d-b326-da48b93e62d7 · Structured JSON: https://whiteintel.dev/api/public/dossier/b658dd26-3a39-5a8d-b326-da48b93e62d7._

_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"._