Callahan & Hockemeyer, P.C. Attorneys at Law, established in 2014, provides services to residents throughout the Arlington Heights metro and its surrounding communities. It represents individuals in family law matters, including divorce. It helps by gathering evidence to establish clients' asset value, obtaining or defending protection orders, and entering fair child support and spousal maintenance orders. Tracy M. Callahan, a partner, has been practicing law since 2002. She is also admitted to practice before the U.S. Supreme Court.