As a member company of the Pennsylvania Lumbermens Mutual Insurance Group (PLM), ABM operates as a wholesale brokerage and program business placement specialist providing Workers' Compensation, Property, Casualty, Commercial Auto & Umbrella and other coverages to round out PLM accounts.ABM works closely with our broker partners, PLM Underwriters and Business Development staff to ensure that our policyholders have the most comprehensive insurance program in place to make them whole in the event of a loss.