Page 1 of 5 The American Waterways Operators 801 North Quincy Street, Suite 200 Arlington, VA 22203 T: 703.841.9300 F: 703.841.0389 AWO Carrier Members Carrier Member Companies 2-W Towing, Inc. Accumarine Transportation, LP AEP River Operations Alaska Marine Lines, Inc. Allied Transportation Company Alter Barge Line, Inc. American Commercial Lines, Inc. American Marine Corporation American River Transportation Co. AmNav Maritime Services, Inc. Andrie, Inc. Angel Boat Company Apex Towing Company B & G Towing, L.L.C. / Acme Marine, L.L.C. B & R Towing, Inc. Barge America Baton Rouge Harbor Service, Inc. Bay-Houston Towing Co. Baydelta Maritime Bayou Fleet, Inc. Bayou Tugs, Inc. Bisso Marine Co., Inc. Blessey Marine Services, Inc. Bolivar Barge Cleaning Service, LLC Boone Towing, Inc. Boston Marine Transport, Inc. Bouchard Transportation Co., Inc. Bray Marine, Inc. Breathwit Marine Contractors, LTD Brennan Marine, Inc. Bridge Construction Services, Inc. Brown Water Marine Service, Inc. Brusco Tug & Barge, Inc. Buffalo Marine Service, Inc. C & J Marine Services, Inc. C & P Tug and Barge Company C.L.M. Marine, LLC Callais & Sons, LLC Calumet River Fleeting, Inc. Campbell Transportation Company, Inc. Canal Barge Company, Inc. Canal Towing & Assist, Inc. Capital Inland Marine, LLC Cargill Marine and Terminal, Inc. Carline Management Company, Inc. CGBM 100, LLC Chem Carriers, LLC Cheryl K formerly Cheryl K., Inc.

Page 2 of 5 Colle Towing Company, Inc. Columbia Marine Service LLC Connolly-Pacific Co. CONSOL Energy Sales Company Constellation Maritime Company Cooper Marine & Timberlands Corp. Crescent Marine Towing Inc. Crescent Towing Company, Inc. Crochet Boat Company, Inc. Crosby Tugs, LLC Crounse Corporation Crowley Maritime Corporation Cruz Marine, LLC Cummings Marine, Inc. Curtin Maritime Corporation D & S Marine Service, L.L.C. Dann Marine Towing LC Dann Ocean Towing, Inc. Dawn Services, LLC DeLoach Marine Services Delta Western, Inc. Devall Towing & Boat Service, Inc. DG Marine Transportation, LLC dba GRIFCO Dixie Offshore Transportation DMC Towing, L.L.C. Donjon Marine Co., Inc. DTC Marine Services, Inc. Dufrene Boats, Inc. Dunlap Towing Dupre Marine Transportation E.N. Bisso & Son, Inc. Echo Marine, Ltd./Echo Towing Service Inc. Economy Boat Store Equipment Chartering Co., Inc. Evansville Marine Service, Inc. Express Marine, Inc. Falls City Marine Service, LLC Five B's, Inc. Florida Marine Transporters, Inc. Foss Maritime Company Frazier Inland Marine Gambarella Marine, LLC Gate City River Transportation, LLC Gellatly & Criscione Services Corp. General Marine Towing, LLC GLENMAR, INC. Global Marine Transportation, Inc. Golding Barge Line, Inc. Gore Marine Corporation Great Lakes Dredge & Dock Company Great White Towing, LLC Greater NY Marine Transportation, LLC Gulf South Marine Transportation, Inc. H & S Towing, Inc. Hanson Material Service Harbor Docking & Towing Co., LLC Harbor Towing & Fleeting, Inc. Hard's Marine Service Ltd. Harley Marine Services Hawaiian Tug & Barge / Young Brothers Ltd. Helena Marine Service, Inc.

Page 3 of 5 Highland Marine, LLC Higman Marine Services, Inc. Horace Savoie Towing, Inc. Hughes Bros., Inc. Huguenot Energy, LLC Hunter Marine Illinois Marine Towing, Inc. Imperial Towing Inc. Ingram Barge Company Inland Marine Service Intergulf Corporation Intracoastal Marine, Inc. J & K Marine, Inc. J. Russell Flowers, Inc. J.A.M. Marine Services, L.L.C. James Transportation LLC d/b/a Tennessee Valley Towing JANTRAN, Inc. JB Marine Service, Inc. Jeff's Tugs, LLC John W. Stone Oil Distributor, L.L.C. John's Towing Service, Inc. Joseph C. Domino, Inc. K Tugs NY K-Sea Transportation - Hawaii Division d/b/a Smith Maritime, LLC K-Sea Transportation Partners, L.P. Kinder Morgan Ship Channel Services, LLC Kindra Lake Towing, LP Kirby Corporation Kirby Inland Marine, LP Kudzu Marine, Inc. L & L Marine Transportation, Inc. Lafayette Workboat Rentals Larry Griffin Towing Co., Inc. Lawson & Lawson Towing Company, Inc. LeBeouf Bros. Towing, L.L.C. Lewis & Clark Marine, Inc. Lorris G. Towing Corporation Luhr Bros., Inc. M. Baker Marine Towing Madison Coal & Supply Company Magnolia Fleet, LLC Magnolia Marine Transport Company MAR-K Towing, Inc. Marathon Oil Company Marine Centre, Inc. / Upper St. Rose Fleeting Co. Marine Express, Inc. Marine Fueling Service Inc. Marine Resources Group Marquette Transportation Co., Inc. Marquette Transportation Company Offshore Division Marquette Transportation Company Gulf-Inland Martin Marine Matthews Brothers, Inc. McAllister Towing McConnell Marine Service, Inc. McDonough Marine Service McKinney Towing, Inc. McNational, Inc. Merichem Chemicals & Refinery Services LLC Merrill Marine Services, Inc.

Page 4 of 5 MGI Trading, Inc. Midstream Barge Company LLC Miller's Launch, Inc. Mohawk Transportation, Inc. Moran Towing Corporation Mt. Vernon Marine Barge Service Naknek Barge Lines, LLC Nelson Marine Service Inc. Norfolk Tug Company O'Rourke Marine Services, LP, LLP Ohio Valley Marine Service, Inc. Osage Marine Services Inc. Oscar Niemeth Towing, Inc. P & M Marine Services, LLC Parker Towing Company, Inc. PCS Phosphate, Aurora Division Penn Maritime, Inc. Perry & Son Towing, Inc. Poling & Cutler Marine Transportation Inc. Port Arthur Towing Company Port City Marine Services, Inc. Progressive Barge Line, Inc. Puerto Rico Towing & Barge Co. Reinauer Transportation Company River City Towing Services, Inc. River Marine Management L.L.C. Rodgers Marine Towing Service, Ltd. Ruby Marine, Inc. Russo Marine LLC S & W Marine, Inc. Sabine Marine, LLC San Jacinto Towing, Inc. Sause Bros. SCF Waxler Marine LLC Seaboats, Inc. Seabulk International, Inc. Settoon Towing, LLC Shaver Transportation Company Shell Trading (US) Company Signet Maritime Corporation South LA Boat Co. Inc. Stockstill Boat Rentals, Inc. Suderman & Young Towing Co. Superior Marine Ways, Inc. T & C Towing, Inc. T & R Tugs LLC T.D. Boats, LLC TAKO Towing, Inc. Talen's Marine & Fuel TEPPCO Marine Services/Cenac Towing, LLC Terral RiverService, Inc. The Great Lakes Group The Jankovich Company The Vane Brothers Company Third Coast Towing, LLC Tidewater Barge Lines, Inc. Tiger Tugz, LLC TradeWinds Towing LLC Triple S Marine, LLC Turn Services, LLC US U it db Li

Page 5 of 5 U.S. United Ocean Services United Maritime Group, LLC United Tugs, Inc. Upper Mississippi Fleeting, LLC Upper River Services Vidalia Dock & Storage Company, Inc. Vinik Marine, Inc. Weeks Marine, Inc. Wepfer Marine of Greenville, LLC Wepfer Marine, Inc. Westar Marine Services Western Kentucky Navigation, Inc. Western Rivers Boat Management Inc. Western Towboat Company Wilmington Tug, Inc. Winslow Marine, Inc. WMS Marine, Inc. Wood Towing, LLC Zidell Marine Corporation Copyright 2012 The American Waterways Operators. All rights reserved. Comments Webmaster