Established in 1930, Welbaum, Guernsey, Hingston, Greenleaf, Gregory, Black, Rune & Thomas, also known as Welbaum Guernsey, is a full-service law firm that specializes in the practice of commercial and construction litigations. It also handles cases related to probate, family, real estate and corporate law. The firm represents sureties, owners, developers, contractors, subcontractors, architects, engineers, material suppliers and other construction professionals in state and federal courts. It represents various private and public sector organizations, including American States Insurance Company, Atlantic Interiors, R&R Building Materials, Federal Insurance Company and Ulico Insurance Group. Welbaum, Guernsey, Hingston, Greenleaf, Gregory, Black, Rune & Thomas is located in Coral Gables, Fla.