Microcosm Distribution was a distro. In 2013 they turned into Pioneers Press.
On August 1st, 2012, Microcosm Distribution split from Microcosm Publishing and became a separate, autonomous distributor of books, zines, pins, patches, and much more.
On November 15, 2012, they announced "we've started up Pioneers Press, our own publishing house, to begin seasonally releasing titles starting Winter 2013." 
On February 09, 2013, they announced "Microcosm Distribution is now Pioneers Press"
Starting around March 2013, MicrocosmDistribution.com started forwarding to PioneersPress.com 
Microcosm Distribution's website said the company "strives to spotlight independent art and publishing while helping provide tools for self-sufficiency and empowerment."