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Client List
  • Allied Transportation Company
  • American Petroleum Tankers
  • American Steamship Company
  • Andrie Incorporated
  • Central Marine Logistics, Inc.
  • Crowley Maritime Corporation
  • Foss Maritime
  • Grand River Navigation
  • Inland Lakes Management, Inc.
  • The Interlake Steamship Company
  • Intrepid Ship Management
  • K-Sea Transportation Services
  • Keystone Shipping Company
  • Lower Lakes Towing, Ltd.
  • McAllister Towing
  • Monterey Bay Aquarium Research Institute
  • Moran Towing Corporation
  • Overseas Shipholding Group, Inc.
  • Port City Tug, Inc.
  • San Francisco Bar Pilots
  • US Coast Guard Philadelphia
  • Vane Brothers Maritime Services
  • Van Enkevort Tug and Barge


  • OCS Client Endorsements
    Ocean Charting Services, 14 North Washington St., Suite #3, Easton, MD 21601, 410-820-9600