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Private company

SeaPort Financing, LLC

SeaPort Financing, LLC is a limited liability company based in Boston, Delaware.1

Last updated Oct 21, 2026.

Overview

  • HeadquartersBoston, United States1
  • Legal formLimited Liability Company1
  • LEI549300FXP4J6ASYSU6601
  • StatusActive1
  • LEI statusLapsed (not renewed)1
  • Registered addressc/o Cogency Global Inc., 19904 Dover, United States1
  • Registered withDivision of Corporations, Department of State, 70251661

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Corporate structure

SeaPort Financing, LLC is part of a group headed by ARCLIGHT ENERGY PARTNERS FUND VI, L.P.. 17 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • ARCLIGHT ENERGY PARTNERS FUND VI, L.P. Boston, Massachusetts, United States
    • AL-Perdido Financing, LLC Boston, Massachusetts, United States
    • AMPHORA CANADA GAS STORAGE ULC Vancouver, British Columbia, Canada
    • GSG, LLC Dallas, Texas, United States
    • Leeward Renewable Energy Financing, LLC Dallas, Texas, United States
    • SeaPort Financing, LLC Boston, Massachusetts, United States
    • Tepco Energy, LLC Houston, Texas, United States
      • AL Midcoast Marketing, L.L.C. Subsidiary · Boston, Massachusetts, United States
        • Midcoast Marketing (U.S.) L.P. Subsidiary · Boston, Massachusetts, United States
        • MLTM, L.P. Subsidiary · Boston, Massachusetts, United States
      • Midcoast (East Texas) LLC Subsidiary · Houston, Texas, United States
    • TEPCO PARENT, LLC Houston, Texas, United States
    • Arclight VI International Holdings, LLC (ArcLight VI International Holdings, LLC) Subsidiary · Boston, Massachusetts, United States
    • Bruin Williston Holdings, LLC Subsidiary · Boston, Massachusetts, United States
    • ENSTOR MERCURY HOLDINGS, LLC Subsidiary · Boston, Massachusetts, United States
    • GREYLOCK FUND VI HOLDINGS, LLC Subsidiary · Boston, Massachusetts, 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

Ultimate parent

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

Sources

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

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