Home/American Shipper/NVO Countdown – No. 8 American Shipper NVO Countdown – No. 8 FreightWaves Staff · Tuesday, May 22, 2012 In the 12-month period from May 2011 through April 2012, SeaMaster Logistics, a Hong Kong-based subsidiary of New Jersey-based Summit Logistics, moved 133,805 TEUs on U.S. inbound trades.