Viking Hydro Mowers - Professional Grade | Exmark Looking for top-quality commercial mowers? Check out Exmark’s selection of zero-turn, walk-behind, and stand-on mowers. Upgrade your lawn care game today. At that time, the company focused on manufacturing a line of mid-size walk-behind mowers and turf rakes. In 1987, due to the rapidly growing turf care equipment market and the competitive nature of that market, the product line was expanded to include commercial riding mowers. Exmark sells its products through a network of dealers.