What types of mailing services do you offer? KB offers complete mailing services... List Management, NCOA Link, CASS certification, merge & purge, and variable data and more -- combined with our graphics, printing and fulfillment departments. We can assemble, package and fulfill orders to be drop-shipped anywhere in the world. Our staff has a full understanding of the complex and varying postal regulations, along with the skills and experience to get our client's printed material into the mail stream in a rapid, economical manner.They also understand how the design of a printed piece can take advantage of all appropriate postage discounts available.