Backlog and inventory Thor Industries ( THO -1.77% ) is the market leader in RV sales and distribution, with 31% of market share. Thor produces and distributes RVs, towable RVs, and fifth-wheel trailers. Revenue increased 35% from 40.9 million in the prior-year fourth quarter due to increased demand in all segments. RV retailers are seeing high demand from young families who are buying recreational vehicles for leisure and a fast, easy way to travel for a getaway weekend.