ProAssurance is a holding company for property and casualty insurance companies. Co.'s segments are: Specialty Property and Casualty, which includes its professional liability business and medical technology liability business; Workers' Compensation Insurance, which includes its workers' compensation insurance business; Segregated Portfolio Cell (SPC) Reinsurance, which includes its SPC operations, Inova Re, LTD, S.P.C. and Eastern Re, LTD, S.P.C.; Lloyd's of London market Syndicates, which includes its participation in Lloyd's of London Syndicate 1729 and Lloyd's of London Syndicate 6131; and Corporate, which includes its investment operations of its subsidiary, NORCAL Insurance Company.