Hewson & Van Hellemont #13 of the Top 25 Largest law firms: Ranked by number of attorneys in Southeast Michigan as of January 2019. The list, compiled by Crain’s, also indicates that Hewson & Van Hellemont PC had the Biggest increase in local lawyers – 35% increase in Southeast Michigan lawyers since last January. Hewson & Van Hellemont started in 1991 with only a few attorneys has grown into a premier insurance defense firm and has added a full range of Practice Areas to assist clients in all their legal needs. Hewson & Van Hellemont is the only firm in the top 25 that is located in Oak Park, MI.