What would wood do if subjected to lots of water? Nothing, if Osmose had its way. The company is a leading maker of wood preservatives that repel water and termites, as well as inhibit the growth of mold. Among its consumer products are stains and water repellants, which are sold through building products retailers. The company also makes preservatives for lumber and plywood. For railroads, Osmose produces preservatives for railroad ties and offers maintenance services. It also provides pole maintenance services and mobile communications software for utilities.