The Open MPI project has many members, contributors, and partners.
"Contributors" provide resources to the project such as code (which
requires having a signed Open MPI 3rd Party Contribution Agreement
on file — see How to Contribute for details),
testing, hosting services, etc. "Members" are contributors who have
voting rights, which entitles them to help determine the direction
of the project, participate in release processes, etc. "Partners"
provide services to the Open MPI project. See the full definitions
of these three levels of membership
Open MPI contributors who have submitted signed 3rd Party
Contribution Agreements and members are listed below in alphabetical