Tressler LLP is a national law firm headquartered in Chicago, with eight offices located in five states - California, Illinoi ... s, New Jersey, New York and Pennsylvania. Tressler is comprised primarily of attorneys who devote their practice to the representation of the insurance industry in coverage analysis and resolution, litigation, underwriting consultation, product development, claims management and reinsurance. In addition, Tressler has one of the most experienced and multi-faceted government law practices in Illinois, and has attorneys who represent clients in commercial litigation; defense litigation; corporate transactions; employment law and litigation, intellectual property and condominium and common interest community association law. read more