RSC Equipment Rental last week opened a branch in Roseburg, Ore., as part of a recently announced expansion. RSC now has 11 locations in Oregon. RSC Equipment Rental recently announced the opening of 12 branches as part of an aggressive expansion. The company plans to open 20 more branches later this year and early 2007. RSC, based in Scottsdale, Ariz., is No. 2 on the RER 100.