* Merrimac Corporate Securities, Inc is a member of the Financial Industry Regulatory Authority (FINRA), the Securities Investor Protection Corporation (SIPC) and the Municipal Securities Rule Making Board (MSRB). The company transacts business for individual and institutional clients through a correspondent clearing relationship with Penson Financial Services, Inc. All accounts are protected up to $24,000,000 through Penson Financial Services, Inc. The first $500,000 of protection is provided through SIPC, which includes coverage up to $100,000 in cash. The remaining protection is provided through separate insurance policies.