Sysco Mobile office shelving Solve your storage problems with our versatile mobile shelving system – which can be used with all our shelving systems Mobile units can double the amount of storage you can get into a given area. Get 100% more storage in the same space! Side2Side for space savings Side2side is a unique way to transform wasted space into efficient office space. It’s as innovative as it is effective. Valuable extra storage space is created by placing a row of mobile cabinets on rails. Documents that are consulted less frequently can be stored in the back cabinets, whereas the entire front cabinets can be used for holding frequently-accessed documents.