---
title: "TECOGEN INC. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/325460a3-cb4d-5a92-bcac-ba0aeceaf58f
json: https://whiteintel.dev/api/public/dossier/325460a3-cb4d-5a92-bcac-ba0aeceaf58f
identifier: sec:0001537435
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# TECOGEN INC.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001537435`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/325460a3-cb4d-5a92-bcac-ba0aeceaf58f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/325460a3-cb4d-5a92-bcac-ba0aeceaf58f  

## Ownership & control

### Owners / controllers

- **PACHECO ANN MARIE BROWN** (tenpercentownerother) — https://whiteintel.dev/entity/aa8c4020-e7db-5e44-8b29-fd7901065e92
- **HATSOPOULOS JOHN** (tenpercentowner) — https://whiteintel.dev/entity/e22432a1-69f4-5ccc-af44-6c2d5a872fd2
- **MONOVOUKAS YIANNIS** (tenpercentowner) — https://whiteintel.dev/entity/c5855732-5715-5bcd-ae9b-3da3634e17d0
- **HATSOPOULOS GEORGE N** (tenpercentowner) — https://whiteintel.dev/entity/0681ded7-b1ac-5d8c-b945-7e37a9031656
- **J&P ENTERPRISES LLC** (tenpercentowner) — https://whiteintel.dev/entity/d9eff05e-1571-575d-a899-1145fa78711d
- **HATSOPOULOS FAMILY 2012 TRUST** (tenpercentowner) — https://whiteintel.dev/entity/7b0e5ffe-1785-5515-866b-49774f1aba00

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

A **34-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 **TECOGEN INC.** — https://whiteintel.dev/entity/325460a3-cb4d-5a92-bcac-ba0aeceaf58f · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **TECOGEN INC.**. Human view: https://whiteintel.dev/entity/325460a3-cb4d-5a92-bcac-ba0aeceaf58f · Structured JSON: https://whiteintel.dev/api/public/dossier/325460a3-cb4d-5a92-bcac-ba0aeceaf58f._

_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"._