Representation of injured workers and their families before state workers' compensation boards and courts, as well as federal policies and programs. Wilg has active members that range from associate, paralegal, regular, sustaining, advocate/board and platinum members.

Wilg provides its 1,081 members networking and information exchange, continuing legal education, research and information gathering, amicus briefs,legislative representation, and publishes industry publications. wilg holds a 4 day conference offering continuing legal education credits designed specifically for workers' compensation claimants' attorneys, and attorneys' representing injured longshore/harbor workers. wilg publishes a bi-annual magazine, titled workers' first watch. This publication includes articles regarding legislative efforts/changes, updates from various states, and other information helpful to those who represent injured workers.