LDC members enjoy the following benefits:
Economical access to an extensive and growing catalog. LDC's Catalog  is unmatched. It spans more than 20 publication years and 30 to 36 new resources are added annually. Membership fees are low relative to data development costs making membership the most economical way to obtain multiple corpora from a given year or to license older data sets at significant discounts (up to 50%).
Unlimited use within an organization. Organizations may use LDC data across departments. There is no cost difference between a departmental or organization-wide membership. Departments can combine resources and establish one membership for the entire organization.
Perpetual license for membership year data and data requested while an active member. Members acquire perpetual rights to data licensed during their membership years. For-profit organizations retain commercial rights to data acquired during their LDC for-profit membership.
LDC currently offers the following membership types:
- Standard Membership: all of the above rights plus free shipping, access to 16 free corpora published within the membership year and access to all LDC Online resources.
- Subscription Membership: all of the above rights plus free shipping, two copies of every LDC publication released in the membership year (30-36 annually) and access to all LDC Online resoures.
- LDC Online Membership: access to all LDC Online resources.
Not-for-profit organizations, government entities and for-profit organizations are eligible to join as standard or subscription members. Not-for-profit organizations and government entities only are eligible for the LDC Online membership. Visit Join LDC  to learn more about membership agreements and costs.