Bristol Harbor Group, Inc. designs towboat in support of offshore oil field development in Alaska. Bristol Harbor Group, Inc. (BHGI), of Bristol, RI, was contracted by Northern Maritime Logistics, LLC of Anchorage, Alaska, for the design of both a towboat and the bow ramp for a new, USCG Inspected deck barge. Both vessels have been put into service use on the North Slope of Alaska, servicing Nikaitchuq Island in support of oil field development. miles to the North-Northwest of Point Oliktok and South of Spy Island).