Private company

IONTREE CO., LTD

IONTREE CO., LTD is a limited company registered in Taiwan, based in Taipei, active since 2021.¹

Last updated Oct 20, 2026.

Overview

May 20, 2021Founded¹

HeadquartersTaipei, Taiwan¹
Legal form股份有限公司¹
LEI5493000KYAD5SG0OI238¹
StatusActive¹
LEI statusIssued and current¹
Registered address11 F.-1, No. 408 RUIGUANG RD., 110 Taipei, Taiwan¹
Registered withMinistry of Economic Affairs, 90764175¹

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Corporate structure

IONTREE CO., LTD is part of a group headed by Hartree Partners, LP. 21 entities, 8 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Hartree Partners, LP Wilmington, Delaware, United States
- DE CARBON I, LLC Wilmington, Delaware, United States
- HARTREE MARINE FUELS, LLC Wilmington, Delaware, United States
- HARTREE METALLIA, LLC Wilmington, Delaware, United States
- HARTREE METALS Sàrl Geneva, Switzerland
- HARTREE PARTNERS (UK) LIMITED London, United Kingdom
  - Hartree (Germany) GmbH Hamburg, Germany
  - Hartree Partners (Australia) Pty Ltd Subsidiary · Gold Coast, Australia
- Hartree Partners Power & Gas Company (UK) London, United Kingdom
  - HARTREE METALLIA (UK) LIMITED London, United Kingdom
  - Hartree Partners (Switzerland) Sarl (Hartree Partners (Switzerland) Sàrl) Subsidiary · Geneva, Switzerland
  - HARTREE PARTNERS SECURITIES (UK) LIMITED Subsidiary · London, United Kingdom
- HARTREE PARTNERS SINGAPORE PTE. LIMITED Singapore, Singapore
  - IONTREE CO., LTD Taipei, Taiwan
- PINE PRAIRIE ENERGY CENTER, LLC New York, New York, United States
- SPRAGUE OPERATING RESOURCES LLC Portsmouth, New Hampshire, United States
  - Kildair Service ULC Montreal, Quebec, Canada
- WORLD ENERGY HARRISBURG LLC Boston, Massachusetts, United States
- HARTREE CAPITAL MANAGEMENT, LP Subsidiary · Wilmington, Delaware, United States
- HARTREE NATURAL GAS STORAGE HOLDINGS, LLC Subsidiary · Wilmington, Delaware, United States
- HARTREE REFINING HOLDCO, LLC Subsidiary · Wilmington, Delaware, United States

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company (GLEIF)

HARTREE PARTNERS SINGAPORE PTE. LIMITED¹

Ultimate parent

Hartree Partners, LP¹

Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.

Timeline

Jun 21, 2023Parent Directly consolidated by HARTREE PARTNERS SINGAPORE PTE. LIMITED¹
May 20, 2021Founded IONTREE CO., LTD is founded¹

Sources

The numbers on this page point here. Each one links to the record it came from.

1
GLEIFIONTREE CO., LTD LEI record (5493000KYAD5SG0OI238)