submarine - United States - Business Directory https://biz.prlog.org/us/submarine/ submarine - United States - Free business directory on PRLog.Org, latest companies listed first. 60 Poopie Suits True Submarine Stories https://biz.prlog.org/More_Sub_Tales/ True stories of life aboard a US submarine, at sea and in port.Tue, 29 Dec 2020 17:10:32 GMT Hyper-Sub Platform Technologies, Inc. https://biz.prlog.org/HyperSub/ The Hyper-Sub is a revolutionary innovation in subsea access that combines the speed and ease-of-use of a 900hp speedboat with the diving capabilities of a submarine. The Hyper-Sub redefines everything we thought was possible in subsea technology.Mon, 13 Mar 2017 15:36:11 GMT