Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Customer Marketing Library Service, or CMLS, is GSA's library of acquisition-related publications for government and business entities.
Through the CMLS website, you can access electronic versions of publications including the One Source Directory and the GSA Global Supply™ Catalog. Printed versions of many publications are available if electronic versions don't meet your needs.
To access a publication or a catalog:
To order a physical publication: