Dock & Door This division was added to meet the demands of our valued customers offering the nations leading brands of Kelley and Serco Loading Dock Equipment to complement our material handling service and offers our customers a seamless transition with one vendor for their forklift, loading dock & overhead door needs. Dock Seals & Shelters - quality materials and heavy duty construction is featured in all of our dock seals and shelters. Roll-Up Doors Our roll-up doors are state of the art in high-performance roll-up doors. Delivering a high-quality, cost-effective product is our standard and that is why Alta Material Handling has been chosen by many companies, small and large. mh.altg.com 26