A portable slidable shelving and support apparatus with a customizable tier configuration, comprising: interlocking trays with tray inserts, each interlocking tray comprising a left side tray portion, a center tray portion, and a right side tray portion, wherein the left side tray portion, center tray portion, and right side tray portion include a top planar portion; and a frame comprising a front beam, a sloped gutter, a rear beam, a center support cross member, a left upright support panel, and a right upright support panel, wherein the rear beam is connected to the left and right upright support panels and wherein the sloped gutter mounts to a backside of the left and right upright support panels and is attached to the front beam so that the sloped gutter remains visible, and wherein the rear beam is secured in an elevated position relative to the front beam that allows for increased drainage of the interlocking trays, and wherein the left and right upright support panels include a leg and one or more grooved wheels are attached to each leg of the left and right upright support panels via an aperture that extends through a wheel axle and a fixture that utilizes the aperture such that the fixture is placed upon a mounted floor track surface, wherein the apparatus provides at least one workstation or storage area, wherein the apparatus is a two-tiered customizable slidable shelving and support system connected in series to a second apparatus by sharing a single support upright comprising a base channel support panel connected to an extension upright via a securing sleeve with driveshafts that connect each driven wheel axle along an entire length of the apparatus, and wherein each driveshaft is protected from accidental bending by drive shaft covers secured by bolts to both a front face and a top face of one or more wheel channels. interlocking trays with tray inserts, each interlocking tray comprising a left side tray portion, a center tray portion, and a right side tray portion, wherein the left side tray portion, center tray portion, and right side tray portion include a top planar portion; and a frame comprising a front beam, a sloped gutter, a rear beam, a center support cross member, a left upright support panel, and a right upright support panel, wherein the rear beam is connected to the left and right upright support panels and wherein the sloped gutter mounts to a backside of the left and right upright support panels and is attached to the front beam so that the sloped gutter remains visible, and wherein the rear beam is secured in an elevated position relative to the front beam that allows for increased drainage of the interlocking trays, and wherein the left and right upright support panels include a leg and one or more grooved wheels are attached to each leg of the left and right upright support panels via an aperture that extends through a wheel axle and a fixture that utilizes the aperture such that the fixture is placed upon a mounted floor track surface, wherein the apparatus provides at least one workstation or storage area, wherein the apparatus is a two-tiered customizable slidable shelving and support system connected in series to a second apparatus by sharing a single support upright comprising a base channel support panel connected to an extension upright via a securing sleeve with driveshafts that connect each driven wheel axle along an entire length of the apparatus, and wherein each driveshaft is protected from accidental bending by drive shaft covers secured by bolts to both a front face and a top face of one or more wheel channels.