---
title: "HEYMAN STEPHEN J — Ownership Dossier"
canonical: https://whiteintel.dev/entity/223ece7a-9007-5a05-bfd7-365c756d683a
json: https://whiteintel.dev/api/public/dossier/223ece7a-9007-5a05-bfd7-365c756d683a
identifier: sec:0001386981
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HEYMAN STEPHEN J

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001386981`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/223ece7a-9007-5a05-bfd7-365c756d683a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/223ece7a-9007-5a05-bfd7-365c756d683a  

## Ownership & control

### Holdings / subsidiaries

- **ONVIA COM INC** (tenpercentowner) — https://whiteintel.dev/entity/353c35e1-0302-5ae6-969d-729074332756
- **GOLDFIELD CORP** (tenpercentowner) — https://whiteintel.dev/entity/7c4a3d97-e480-5440-b8ee-c26fdbb1e68a
- **ATLAS FINANCIAL HOLDINGS, INC.** (tenpercentowner) — https://whiteintel.dev/entity/7158bfae-0240-5bab-bc28-fe02fa65bc9b
- **HORIZON KINETICS HOLDING CORP** (tenpercentowner) — https://whiteintel.dev/entity/a54936b3-9617-5920-abc5-7086ab618aa3
- **AMERICAN BINGO & GAMING CORP** (tenpercentowner) — https://whiteintel.dev/entity/9f154af4-9b18-52f4-9315-39220cd9f418
- **NTS, INC.** (tenpercentownerother) — https://whiteintel.dev/entity/83903524-ef82-52b5-847a-4fa7794e96d9
- **AETRIUM INC** (tenpercentowner) — https://whiteintel.dev/entity/2b51184d-9845-561a-911c-52214f9cd65c
- **InfuSystem Holdings, Inc** (other) — https://whiteintel.dev/entity/bfae4c5f-421a-53ec-bdb7-87e13b427f3b
- **COMPUMED INC** (tenpercentowner) — https://whiteintel.dev/entity/d36ef52c-27db-5ea0-afce-f638a09be79e
- **OSTEOTECH INC** (tenpercentowner) — https://whiteintel.dev/entity/bac3ba6c-5523-5647-899f-fcc3e938bae6
- **STEPHAN CO** (tenpercentowner) — https://whiteintel.dev/entity/df72ab52-6038-5fd5-8851-7d579bdf7a8c
- **EDEN BIOSCIENCE CORP** (tenpercentowner) — https://whiteintel.dev/entity/aefbaae5-ad2f-5daa-a176-ed7636924c8e

…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 **HEYMAN STEPHEN J** — https://whiteintel.dev/entity/223ece7a-9007-5a05-bfd7-365c756d683a · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HEYMAN STEPHEN J**. Human view: https://whiteintel.dev/entity/223ece7a-9007-5a05-bfd7-365c756d683a · Structured JSON: https://whiteintel.dev/api/public/dossier/223ece7a-9007-5a05-bfd7-365c756d683a._

_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"._