A month ago, Docker and the Linux Foundation announced the Open Container Project at Docker’s developer conference. Now called the Open Container Initiative, the project is seeing rapid growth, as the Linux Foundation’s executive director Jim Zemlin announced at OSCON this morning. Not only have 14 new companies signed up for the project, but as Zemlin announced today, the OCI now also sports a draft charter.

The new partners backing the initiative, which will shepherd the future of the Docker container spec going forward in order to establish a common standard around containers, include AT&T, ClusterHQ, Datera, Kismatic, Kyup, Midokura, Nutanix, Oracle, Polyverse, Resin.io, Sysdig, SUSE, Twitter and Verizon (TechCrunch’s corporate overlords). They are joining founding members like Amazon, Microsoft, CoreOS, Docker, Intel, Mesosphere, Red Hat and others.

As Docker’s VP of enterprise marketing David Messina told us, he believes the group of OCI backers now includes a good blend of large players…