The company also has a bank overseen by the office of thrift supervision ; an insurance unit ; a subsidiary that provides borrowers with loan closing services like appraisals and flood certifications ; and a broker - dealer that trades securities 它还通过海石竹管理机构分支控制一家银行,一家保险公司以及一家向贷款者提供还贷业务像评估和提供洪水证明的子公司;一家证券交易所。