Berkley Specialty Underwriting Managers, a subsidiary of W.R. Berkley Corporation, operates as an insurance underwriting management company. It offers services through various divisions that include specialty casualty, environment, and entertainment and sports. The company s specialty casualty division offers policies for covering a range of businesses that includes equipment rental, excavation, drilling, boiler installation, road construction, cell tower erection, tunneling and welding businesses. Its entertainment and sports division underwrites insurance for entertainment venues, street festivals, professional sports, performers, film photographers, trade shows, and television commercials and documentaries. The company also offers insurance policies for laboratories, recycling centers and waste treatment facilities. Berkley Specialty Underwriting Managers maintains its office in Atlanta.