Dayrunner is owned and operated by the Consumer and Office Products Division of the MeadWestvaco (MWV) Corporation in Richmond, VA. The Dayrunner brand is a leading manufacturer of planners, organizers, and calendars. MWV is a global conglomerate so the Dayrunner products are distributed all worldwide through various channels.
Dayrunner was one of the first calendar based brands to see the value in refillable calendars and planners, and that area is really where they focus.
In addition to the Dayrunner line, MWV also owns other popular calendar based brand such as At-A-Glance and Mead.