Purple Zebra is a group of companies. Manufacturers of promotional glass for awards and promotional products - Crystal Impressions© is the world's leading manufacturer of 3D laser engraved crystal glass.We create laser-engraved sculptures floating in pure optical glass which make corporate promotional products and stunning awards. - The PZ Collection are manufacturer of corporate promotional merchandise of the highest quality. - Geochron are manufacturers of Geochron world clocks, world watch software and related items