---
title: "ENSYS ENVIRONMENTAL PRODUCTS INC /DE/ — Ownership Dossier"
canonical: https://whiteintel.dev/entity/cb084e72-34bd-5398-8382-de2ded163dc6
json: https://whiteintel.dev/api/public/dossier/cb084e72-34bd-5398-8382-de2ded163dc6
identifier: sec:0000911649
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ENSYS ENVIRONMENTAL PRODUCTS INC /DE/

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0000911649`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/cb084e72-34bd-5398-8382-de2ded163dc6  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/cb084e72-34bd-5398-8382-de2ded163dc6  

## Ownership & control

### Owners / controllers

- **STAVE JAMES W** (officer) — https://whiteintel.dev/entity/448c03e1-036f-567a-9efd-4111463b1b44
- **WAECHTER STEPHEN L** (director) — https://whiteintel.dev/entity/cf68202b-bd4a-5777-94b1-cd5dc5acf707
- **WRENN GROVER C** (director) — https://whiteintel.dev/entity/a6ca01a4-4514-5932-bc59-d81e1dfdcfa3
- **RAMEY TIMOTHY S** (director) — https://whiteintel.dev/entity/1facf5ee-6f14-5a87-ae25-7017e78a5d72
- **DEFIEUX RICHARD J** (director) — https://whiteintel.dev/entity/346b107b-fc6c-5843-8fa4-8ee397182615
- **COLLINS MORTON** (director) — https://whiteintel.dev/entity/22b8578c-1074-5463-8f88-54d8a2e95332
- **LOTMAN HERBERT** (director) — https://whiteintel.dev/entity/f8ae6116-1640-5ea5-9d2d-0c934c962974
- **BAXTER GREGORY H.A.** (officer) — https://whiteintel.dev/entity/a5e4ea84-c6e4-5334-8976-bda7d7958fc6
- **Standard General L.P.** (tenpercentowner) — https://whiteintel.dev/entity/4ca6cfe3-c661-59ed-9025-ae47da58ab63
- **HELMS THOMAS F. JR.** (director) — https://whiteintel.dev/entity/29044c3f-ca35-563b-9d42-293b5a67c42c
- **BAXTER GREGORY H.A.** (director) — https://whiteintel.dev/entity/a5e4ea84-c6e4-5334-8976-bda7d7958fc6
- **TOBIN BRADFORD A** (officer) — https://whiteintel.dev/entity/00b7bb3a-560d-5c2d-b944-2d6096c49139
- **Kim Soohyung** (director) — https://whiteintel.dev/entity/1d84be14-c757-5575-bf64-a1b4a5652175
- **Kim Soohyung** (tenpercentowner) — https://whiteintel.dev/entity/1d84be14-c757-5575-bf64-a1b4a5652175
- **WURZER DAVID M** (director) — https://whiteintel.dev/entity/3a9c611c-e2bd-5e71-977f-993224202cbd
- **Kim Soohyung** (officer) — https://whiteintel.dev/entity/1d84be14-c757-5575-bf64-a1b4a5652175
- **ARNOLD ZIMMERMAN** (director) — https://whiteintel.dev/entity/7248c798-7be3-5a83-bd3c-b45bcee2e4e5
- **ESTUS IAN** (director) — https://whiteintel.dev/entity/3b5a0732-be57-5dbd-a3b4-ebe5327f70bc
- **ESTUS IAN** (officer) — https://whiteintel.dev/entity/3b5a0732-be57-5dbd-a3b4-ebe5327f70bc
- **KELLEHER THOMAS J /ADV** (director) — https://whiteintel.dev/entity/306ac838-d8ff-5e80-8457-5b4172939c60
- **YETTER WAYNE P** (director) — https://whiteintel.dev/entity/88377e78-ce85-5058-854f-d7013ef63ddb
- **Glazek David Edward** (director) — https://whiteintel.dev/entity/efe87ab5-3ba5-54bc-8b3d-2555afdabe85
- **SWEENEY EDWARD J** (officer) — https://whiteintel.dev/entity/09bf509b-b183-5d33-b85c-9bba77068242
- **YOUNG KENNETH M** (director) — https://whiteintel.dev/entity/9806c280-45bd-5555-8170-d7ec6908e45f
- **P STANDARD GENERAL LTD** (tenpercentowner) — https://whiteintel.dev/entity/cbff2ddf-e2ef-5779-8678-f1ecbd0dbaaa
- **RILEY BRYANT R** (tenpercentowner) — https://whiteintel.dev/entity/ec5a2ebe-246f-5e8e-9d0a-8f7e7925efbc
- **B. RILEY & CO., INC.** (tenpercentowner) — https://whiteintel.dev/entity/e0eec8d9-c9fe-5ac7-bacd-d154882e1d91
- **STANDARD GENERAL MASTER FUND L.P.** (tenpercentowner) — https://whiteintel.dev/entity/505ff070-3c28-5e4e-8799-9e17ff7a28ae
- **BC Advisors LLC** (tenpercentowner) — https://whiteintel.dev/entity/a3f0108b-cce5-52eb-ad70-80d31133f853
- **Northern Right Capital Management, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/758715ad-977d-5fce-9682-014787dae82d
- **Drapkin Matthew A** (tenpercentowner) — https://whiteintel.dev/entity/6efb68e7-3c58-56af-ad4a-2f91c0939a60
- **Northern Right Capital (QP), L.P.** (tenpercentowner) — https://whiteintel.dev/entity/a88409af-80da-50f6-8a9b-94753b038d96
- **BECKER STEVEN R** (director) — https://whiteintel.dev/entity/00a7b352-b697-5c9a-9bef-49036e1cdd79
- **BECKER STEVEN R** (tenpercentowner) — https://whiteintel.dev/entity/00a7b352-b697-5c9a-9bef-49036e1cdd79
- **BECKER DRAPKIN PARTNERS, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/23628fba-920f-5207-a691-7b224d981f37
- **BOLOGNA THOMAS A** (director) — https://whiteintel.dev/entity/031509f0-44b9-5c7e-ba59-bc4944f6c090
- **VAN DEN BROEK RICHARD** (director) — https://whiteintel.dev/entity/94145567-9141-5fe9-94f7-d5a306260b62
- **MCCABE MURRAY J.** (director) — https://whiteintel.dev/entity/0affd220-609e-5172-8ef3-6e925b803af4
- **BLAZEK PHILIP THOMAS** (officer) — https://whiteintel.dev/entity/a0304c6a-b98b-57a5-9cbb-4e01b95145ae
- **DINUZZO FRANCIS M.** (other) — https://whiteintel.dev/entity/4d6d4230-17ac-5acb-94b8-4c5024b49174
- **BRATTON KEVIN J** (officer) — https://whiteintel.dev/entity/effbdd5f-bba7-50a2-9313-33ef56f691d2
- **DINUZZO FRANCIS M.** (officer) — https://whiteintel.dev/entity/4d6d4230-17ac-5acb-94b8-4c5024b49174
- **LINDPAINTNER KLAUS** (officer) — https://whiteintel.dev/entity/ad47c985-4f4f-5da3-877a-8002b238c46d
- **DAVIS C GEOFFREY** (director) — https://whiteintel.dev/entity/27719c1f-b07d-50a7-9ffe-8e77537cc632
- **SPIRO CLIFFORD L** (director) — https://whiteintel.dev/entity/be98b8ab-0afe-5a16-9781-08be4c5bfff7
- **KNIGHT MATTHEW H** (officer) — https://whiteintel.dev/entity/e52811e2-90fc-5c75-95e4-705051ae8015
- **FRONCZKOWSKI STANLEY** (officer) — https://whiteintel.dev/entity/dc95d9d3-495d-5c0c-aff9-5f08da025789
- **KNIGHT MATTHEW H** (director) — https://whiteintel.dev/entity/e52811e2-90fc-5c75-95e4-705051ae8015
- **STAVE JAMES W** (director) — https://whiteintel.dev/entity/448c03e1-036f-567a-9efd-4111463b1b44

### Holdings / subsidiaries

- **Turning Point Brands, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/3b50cda3-2984-55e7-9505-b6193907ea2c

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

A **49-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.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ENSYS ENVIRONMENTAL PRODUCTS INC /DE/**. Human view: https://whiteintel.dev/entity/cb084e72-34bd-5398-8382-de2ded163dc6 · Structured JSON: https://whiteintel.dev/api/public/dossier/cb084e72-34bd-5398-8382-de2ded163dc6._

_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"._