Have used a Companion ever since I got my Suites in '07--very stout. Also easy to remove with nothing in the bed. They have expanded the product lineup to fit the new factory 'puck' holes, and have several new weight ratings.
Have you looked at their website?
2016 Tiffin 40 QBH
2015 38RSSA, traded
2005 TK3 #1869, 10 yrs of memories,
2017 F450 KR--one more Ford is it
2009 F450 4x4-died; 2010 F450-retired