Mailing Services

Inkjet Addressing, Color Inkjet, Taglines
Folding - Letter, Z fold, Quarter Fold
Inserting & Hand Collation
Stamp Affixing
Personalized Letters
Fulfillment
Assembly, Packaging & Shipping

Bindery Services

Scoring - to fold without paper cracking
Perf - to cleanly tear off cards, stubs, etc
Saddle stitch - staple booklets in the bind

Data Services

DataBase Management, Additions, Changes, Deletes
Duplicate Elimination, Merge/Purge
NCOA - National Change of Address (48 Months)
Off-Site Backups

Lists - Business & Residential

Resident Lists - by neighborhoods & towns
Business Lists - type of business, years open, annual sales, number of employees, much more
Consumer Lists - age, incomes, children present Real Estate Lists - age of home, recent movers
This is just a sampling of the categories  and sort criterias available!!