They often encourage suppliers, contract packagers, and distributors to do likewise. Mortgage packagers process mortgage applications, usually on behalf of mortgage brokers, for submission to lenders. Sometimes consultants and contract packagers with experience in shelf-ready-packaging are useful. Food packagers take extra care with some types of active packaging. Government, standards organizations, consumers, retailers, and packagers are considering several types of criteria. In the early days of comic books, many publishers hired "packagers" to produce entire books. Hundreds of package designs are available for packagers to consider. Necco packagers were one of the first companies to package without human touch. Contract packagers can serve an array of industries. Some contract packagers perform limited operations, with all materials provided by the primary manufacturer. Many endcaps and point of purchase displays are assembled by contract packagers. The resulting financial advantage lured packagers such as Stewart to produce games in Canada. Book packagers thus blend the roles of agent, editor, and publisher. Packagers was known for producing low-quality black and white or Two-strip Technicolour redraws of cartoons. Many German packagers now participate in the Green Dot program as a result of this.