- WiLS is a 501(c)(3) not-for-profit organization established in 1972 that provides services to libraries in Wisconsin, including interlibrary loan, cooperative purchasing of databases, and consulting. - It has 22 staff members and serves over 800 academic, public, school, and special libraries. - Services include negotiating database subscriptions, facilitating trials of new resources, and operating an interlibrary loan program that ranks highly nationally.