Various demographic selections are available such as geography, age, income, length of residence, presence of children, mail responsiveness and much more.
Select by geography, SIC Code (line of business), sales volume, employee size, business status, and much more.
Many many national magazines make their lists available to direct marketers.
Available from multi-channel merchants, catalogers, seminar companies, and various direct marketing related companies.
Opt in email lists are available for consumer and business promotions.
Survey and Registration Lists
Self reported data provides an alternative to compiled demographics.