Sliding Systems, Inc. (SSI) is North America's leader in Curtainside Van and Trailer technology. We offer custom-built transportation systems that are fast and efficient, reliable, durable and superior. Our systems can be adapted to many applications. This advanced over-the-road shipping capability has proven itself with great success over the years. Innovative engineering at SSI has produced the revolutionary Quick Closer and Rolling Post. These designs have become the de facto standard in the Curtainside industry. We take pride in our accomplishments and continue to strive for improvements in our products so that we can keep ahead of our competition, so you can keep ahead of yours. We have earned the reputation as being the leader in the curtainside technology. For all your Curtainside and Sliding Bow needs, Sliding Systems, Inc. (SSI) is the only name you need to know.