This law firm knows how to take care of business. A leading regional law firm, Sheppard, Mullin, Richter & Hampton has expanded over the years beyond its California roots to serve clients with national and international business interests, such as DHL, Nordstrom, and Samsung. The firm maintains a wide range of practice areas; it has been recognized for work related to corporate transactions, entertainment, labor and employment, and real estate. The firm has about 600 lawyers working from more than 15 domestic and international offices. Sheppard Mullin was founded in Los Angeles in 1927.