The 44-year old insurer TT Club is now offering coverage for a new group of customers—shippers. Dan Negron, senior underwriter at TT Club’s office in Jersey City, N.J., said for years the company has insured the liabilities of intermediaries, such as freight forwarders and non-vessel-operating common carriers, if they damage or lose their customer’s cargo, but “it was historically left to the customer to find another avenue to insure his goods on a direct damage basis, if he did no...