Head on over to the UnMario Wikia. Be sure to register an account if you haven't already.
Plumber's Plumbing
From Unmariowiki
Plumber's Plumbing is a plumbing company that has mysterious connections to the MarioWiki. Not much is known about it, but they were interrogated about MarioWiki by the Paper Police. The interrogation failed, as the police chief was tricked into going into a Warp Pipe that led to Peachycake's Lair. He was never seen again.
Employee List
CEO/President/Boss/Big Cheese/Head Honcho:Plumber
Vice President/Boss's Business Partner:Great Gonzo
Head Plumber:Super Paper Luigi
Assistant Head Plumber:Mario
Secretary:Beanbean