Profile: XL Supply Inc. is a distributor of packaging, shipping, janitorial, warehouse, and office supplies. Our products include test boxes, heavy duty boxes, mailing boxes, mailing tubes, bin boxes, corrugated boxes, specialty boxes, custom made boxes, bubble wrap rolls, bubble pouches, foam rolls, foam sheets, carton sealing tapes, stretch wrap, shrink film, padded mailers, poly bags, paper bags and edge protections.