---
title: "CARNES MARTHA Z. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/1ea6736f-5547-5c24-9f0e-94d5a7f38697
json: https://whiteintel.dev/api/public/dossier/1ea6736f-5547-5c24-9f0e-94d5a7f38697
identifier: sec:0001678397
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CARNES MARTHA Z.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001678397`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/1ea6736f-5547-5c24-9f0e-94d5a7f38697  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/1ea6736f-5547-5c24-9f0e-94d5a7f38697  

## Ownership & control

### Holdings / subsidiaries

- **SunCoke Energy, Inc.** (director) — https://whiteintel.dev/entity/ecd2ad44-6fd8-58e5-9766-b2c5d9b3df01
- **Core Laboratories Inc. /DE/** (director) — https://whiteintel.dev/entity/1e6fd518-3e22-56ce-8211-b3a5305e44c4
- **MATRIX SERVICE CO** (director) — https://whiteintel.dev/entity/436dbee6-09dc-59ff-907e-eeebe52e01e6
- **CORE LABORATORIES N V** (director) — https://whiteintel.dev/entity/7539baab-c31a-5250-8704-0bbcb567ec92
- **SUNCOKE ENERGY PARTNERS, L.P.** (director) — https://whiteintel.dev/entity/abac1b77-e546-507c-96d9-82049e33ee33

## 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 **CARNES MARTHA Z.** — https://whiteintel.dev/entity/1ea6736f-5547-5c24-9f0e-94d5a7f38697 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CARNES MARTHA Z.**. Human view: https://whiteintel.dev/entity/1ea6736f-5547-5c24-9f0e-94d5a7f38697 · Structured JSON: https://whiteintel.dev/api/public/dossier/1ea6736f-5547-5c24-9f0e-94d5a7f38697._

_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"._