There are many providers of direct mail industry. Many of these providers claim to be a full-service direct mail company, but their work can not be done at home. They can do work such as labeling, classification and treatment, but the use of other means outside of their facility for printing and design. When it comes to a direct mail company, only one company you need to use for your email. Most companies prefer to work with a direct mail company, not a few. This makes it easier for them when they do not have to use multiple suppliers for the same job, and usually cost less. If the only special services are required, then a company specializing in this service can be a good option for you. If you have more than one service to be done, it can be very confusing to use multiple providers, so it is best to find a supplier who can do all the work for you in this case.