Datasights Limited - Thin film etching, vacuum coating, graticules, reticles, gobos and other optical components. Ushio America, Inc. - Manufacturer of halogen and high intensity discharge lamps for projection, theater, television, film, special effects and other specialty lighting applications. Beacon AB - Full color custom made gobos for theatre, film, television, clubs, concerts, theme parks, and architectural lighting. Also, materials and information for the construction for many other types of gobos. Goboland Ltd. - Stock and custom glass gobos for all fixtures. Order online. Great American Market - Manufacturers of gels and special effects lighting equipment. Gobosandgobos - Italian maker of nickel silver and stainless steel gobos.