Ocean Carrier Equipment Management Association

Operational and safety matters in U.S. intermodal transportation

Welcome to the OCEMA website! The Ocean Carrier Equipment Management Association (OCEMA) is a U.S. based association of 10 major ocean common carriers. OCEMA’s focus is on operational and safety matters pertaining to the intermodal transportation of ocean freight within the US.

  • 10 Member carriers major ocean common carriers are OCEMA members
  • 80% Market share OCEMA members control 80% of the total market share as reported by Alphaliner's top 50 U.S. Global Container Fleet operators
  • Top 40 Global ranking All 10 OCEMA members are ranked among the top 40 of Alphaliner's top 50 U.S. Global Container Fleet operators

Guidance and best practices

OCEMA recommended best practices, guidelines and information for the intermodal transportation of ocean freight within the US.

  • 2 PDFs, 14 carrier links

    Detention & Demurrage

    Dispute resolution best practice, plus links to each member carrier’s process.

    Learn more
  • 12 PDFs, 3 web links

    VGM Container Weight

    Best practice, process maps and press releases for Verified Gross Mass.

    Learn more
  • 8 container types

    Cargo Weights

    Maximum gross allowable cargo weights for containers on U.S. highways.

    Learn more
  • 10 FAQs, 4 related pages

    Chassis Provisioning

    Changing U.S. intermodal chassis operations, FAQ and carrier announcements.

    Learn more

Find a page, document or carrier

Searches every page, PDF, FAQ question and carrier dispute-process link on this site.

OCEMA Members

11 member carriers

(click to view members’ websites)

View all members
  • APL
  • CMA CGM
  • COSCO
  • Evergreen
  • Hapag-Lloyd
  • HMM
  • Maersk
  • MSC
  • ONE (Ocean Network Express)
  • Wan Hai
  • ZIM

Contact OCEMA

We hope that you find this website helpful. Comments and questions are welcome (click on “contact us”).

Contact us