Wikipedia:Articles for deletion/Mr. Rooter
Seems to meet  as the second largest pluming company in the US.  Google search turns up all kinds of mentions in business magazines.  For example, "Mr. Rooter® Plumbing is the second largest full-service plumbing and drain cleaning company in the U.S. Recognized by Entrepreneur magazine among its “Franchise 500” and Franchise Times Top 200"http://bizjournals.bison.com/press/pr3-3-05mrrooter.html
— User:Edgar181, 12:10, 7 June 2006 (UTC)
Stance: keep
Cited policy: WP:CORP (Wikipedia:Notability)