| Al Larson Boat Shop | San Pedro, CA | https://www.larsonboat.com |
| Alaska Marine Lines (Lynden) | Seattle, WA; AK, HI | https://www.lynden.com |
| Aloha Marine Lines (Lynden) | Seattle, WA | https://www.lynden.com |
| Alter Barge Line | Granite City, IL; Upper Mississippi, Illinois River | https://www.alterbarge.com |
| AM&O Towing | East Liverpool, OH | https://www.amotowing.com |
| American Commercial Barge Line (ACBL) | Jeffersonville, IN; Mississippi/Ohio River system | https://www.aclines.com |
| American International Maritime | Port Allen, LA | https://www.aimaritime.com |
| American Tugs & Barge | Guayama, PR | https://www.ati-pr.com |
| Amrize | Chicago HQ, IL; Great Lakes ports | https://www.amrize.com |
| ARTCo – Archer Daniels Midland | Decatur, IL; Upper Mississippi, Ohio, Illinois Rivers | https://www.adm.com |
| Ashton Marine | North Muskegon, MI | https://ashtontugs.com |
| Avalon Freight Services | AK / WA; Alaska coastal barge routes | https://www.avalonfreightservices.com |
| Baton Rouge Harbor Service, Inc. | Port Allen, LA; Lower Mississippi River - Baton Rouge | https://www.brhsinc.com |
| Bellaire Harbor Service, LLC | Houston, TX; Houston Ship Channel, Gulf Intracoastal | https://www.bellaireharbor.com |
| Bering Marine Corporation (Lynden) | Anchorage, AK; Western Alaska coastal villages | https://www.lynden.com |
| Bernert Barge Lines | Portland, OR; Columbia/Willamette River system | https://www.bernertbargelines.com |
| Blessey Marine Services | Harahan, LA; Gulf Intracoastal, Mississippi system | https://www.blessey.com |
| Boone Towing | LA; Gulf inland waterways | https://www.boonetowing.com |
| Borghese Lane LLC | IL; Illinois River, Upper Mississippi | https://www.borgheselane.com |
| Bowhead Transport | Seattle, WA | https://www.bowheadtransport.com |
| Brennan Marine, Inc. | La Crosse, WI; Upper Mississippi, Wisconsin rivers | https://www.brennanmarine.com |
| Brown Water Marine Service | TX; Gulf intracoastal, inland waterways | https://www.brownwatermarine.com |
| Brusco Tug & Barge | Rainier, OR; Columbia/Willamette Rivers, OR & WA coast | https://www.bruscotug.com |
| Buchanan Marine | Haverstraw, NY; Hudson River, New York Harbor | https://www.buchananmarinelp.com/ |
| C & J Marine Services, Inc. | LA; Gulf Intracoastal, inland Louisiana | https://www.candjmarineservices.com/ |
| Cabras Marine Corporation | Guam, GU; Western Pacific | https://www.cabtug.com |
| Caillou Island Towing | Houma, LA; Gulf Intracoastal, Lower Mississippi | https://www.caillouislandtowing.com/ |
| Campbell Transportation Company | Canonsburg, PA; Upper Ohio, Monongahela, Allegheny Rivers | https://www.barges.us |
| Canal Barge Company | New Orleans, LA; Gulf Intracoastal, Mississippi system | https://www.canalbarge.com |
| Carline Management Company, Inc. | KY; Ohio, Mississippi River system | https://www.carlinecompanies.com |
| Carver Marine Towing | New York, NY | https://www.carvercompanies.com |
| Cashman Dredging & Marine Contracting | Quincy, MA; US East Coast | https://www.cashmandredging.com |
| Catalina Freight Line | Wilmington, CA | https://catalinafreight.wixsite.com/catfreight |
| Cenac Marine Services | Houma, LA; Gulf Coast inland waterways | https://www.cenac.com |
| Centerline Logistics | Tacoma, WA | https://www.centerlinelogistics.com |
| Chem Carriers | Sunshine, LA; Gulf intracoastal, inland waterways | https://www.chemcarriers.com |
| Columbia Group | Liberty Corner, NJ | https://www.columbia-group.com |
| Conrad Industries | Morgan City, LA; multiple yards | https://www.conradindustries.com |
| Consolidated Grain & Barge (CGB) | Mandeville LA HQ, IL; Mississippi River system | https://www.cgb.com |
| Cook Inlet Tug & Barge | Anchorage, AK; Cook Inlet, Gulf of Alaska | https://www.cookinlettug.com |
| Cooper Marine & Timberlands | Mobile, AL; Tenn-Tom, Black Warrior, Alabama, Mississippi, Ohio Rivers | https://www.cooper-marine.com |
| Crofton Industries | Portsmouth, VA | https://www.crofton.com |
| Crounse Corporation | Paducah, KY; Mississippi/Ohio River system | https://www.crounse.com |
| Crowley Maritime | Jacksonville, FL | https://www.crowley.com |
| Cvitanovic Boat Service Inc. | Belle Chasse, LA | https://www.ctugs.com |
| D&S Marine Service | LA; Gulf Coast inland waterways | https://www.d-smarine.com/ |
| Dann Marine Towing | Chesapeake City, MD; Chesapeake Bay, East Coast | https://www.dannmarinetowing.com |
| Delta Marine Logistics | New Orleans, LA | https://deltamarinelogistics.com/ |
| Delta Western | Fairbanks, AK; inland Alaska river communities | https://www.deltawestern.com |
| Devall Towing & Boat Service | Plaquemine, LA; Gulf intracoastal, Lower Mississippi | https://www.devalltowing.com |
| Donjon Marine | Hillside, NJ; East Coast & Gulf | https://www.donjon.com |
| Dupre Marine Transportation | Plaquemine, LA; Gulf Intracoastal, Lower Mississippi | https://www.dupremarine.com/ |
| Dutra Group | San Rafael, CA; California & West Coast | https://www.dutragroup.com |
| Eagle Marine Towing | Houma, LA | https://www.emtowing.com |
| Egan Marine Corporation | Lemont, IL; Lake Michigan, Chicago waterways | https://www.eganmarine.com |
| Enterprise Marine Services | Houston, TX; Gulf Intracoastal Waterway | https://marine.enterpriseproducts.com |
| Ergon Marine & Industrial Supply | Vicksburg, MS | https://www.ergonmarine.com |
| Express Marine Inc. | Gloucester City, NJ; East Coast & Gulf | https://www.expressmarine.com |
| Fairwater LLC | OH; Ohio River system | https://www.fairwatermarine.com |
| Florida Marine Transporters | Vidalia, LA; Mississippi, Ohio, Illinois, Tennessee Rivers | https://www.floridamarine.com |
| Foertsch Marine Services | Grafton, IL; Illinois River, Upper Mississippi | https://www.foertschgroup.com |
| Foss Maritime (Saltchuk) | Seattle, WA; West Coast, AK, HI | https://www.foss.com |
| General Ship Repair | Baltimore, MD | http://generalshiprepair.com |
| Genesis Marine | Houston, TX; Gulf intracoastal, Mississippi system | https://www.genesisenergy.com/ |
| Geo. Gradel Co. | Toledo, OH | https://geogradelco.com/ |
| Golding Barge Line | Vicksburg, MS; Lower Mississippi, Gulf Intracoastal | https://www.goldingbarge.com |
| Gulf Oceanic Marine Contractors, Inc. | LA; Gulf of Mexico | https://www.gulfoceanicmarine.com |
| Harbor Towing & Fleeting | New Orleans, LA | https://www.harbortowingllc.com |
| Harcon Corporation | Houston, TX; Gulf Intracoastal, inland waterways | https://www.harconcorp.com/ |
| Haugland Marine Service LLC | MN; Upper Mississippi River | https://hauglandgroup.us/haugland-marine-service/ |
| Heartland Barge Management | Columbia, IL; Illinois River, Upper Mississippi | https://www.heartlandbarge.com |
| Helena Marine Service | Helena, AR; Lower Mississippi River | https://hms-hbt.weebly.com |
| Hines Furlong Line | Jacksonville, FL | https://www.hinesfurlongline.com |
| Ingram Barge Company | Nashville, TN; Mississippi, Ohio, Cumberland, Tennessee, Illinois, Kanawha Rivers | https://www.ingrambarge.com |
| James Marine | Paducah, KY; Ohio, Tennessee, Cumberland Rivers | https://jamesmarine.com/ |
| Jankovich Company | San Pedro, CA | https://www.thejankovichcompany.com |
| JANTRAN | Rosedale, MS; Mississippi, Arkansas, White Rivers | https://www.bruceoakley.com/divisions/river-towing/ |
| JT Marine | Vancouver, WA | https://www.jtmarineinc.com |
| Kirby Corporation | Houston, TX; entire US inland & intracoastal system | https://www.kirbycorp.com |
| LA Carriers, LLC | LA; Gulf Intracoastal, inland Louisiana waterways | https://www.lacarriers.net/ |
| Laredo Offshore Services | Belle Chasse, LA | https://offshore.laredogroup.org |
| LeBeouf Bros. Towing | Cut Off, LA; Gulf Intracoastal, Lower Mississippi | https://www.lebeouftowing.com |
| Lind Marine | Vallejo, CA | https://www.lindmarine.com |
| Louisiana International Marine (LIM) | Galliano, LA | https://www.louisianainternational.com |
| Luhr Crosby LLC | MI / OH; Great Lakes, inland rivers | https://www.luhr.com |
| Lydia Ann Channel Fleet | Aransas Pass, TX; Corpus Christi Bay, Lydia Ann Channel | https://www.lacfleet.com |
| M/G Transport Services | Calvert City, KY; Ohio, Tennessee, Cumberland Rivers | https://www.mgtransport.com |
| M&P Barge Company, Inc. | Paducah, KY; Ohio, Tennessee, Cumberland Rivers | https://www.mpbarge.com |
| Madere & Sons Towing | Belle Chasse, LA | https://www.maderetowing.com |
| Magnolia Fleet, LLC | Vicksburg area, LA; Lower Mississippi River | https://www.magnoliafleet.com |
| Magnolia Marine Transport | Jackson, MS; Mississippi River system | https://www.magnoliamarine.com |
| Main Iron Works | Houma, LA | https://mainironworks.com/ |
| Manson Construction | Seattle, WA; West Coast, AK, Hawaii | https://www.mansonconstruction.com |
| Marine Express, Inc. | MS; Lower Mississippi, inland waterways | https://www.marineexpress.us |
| Marine Spill Response Corporation | Herndon, VA | https://www.msrc.org |
| Maritime Partners, LLC | New Orleans, LA; inland and coastal waterways nationwide | https://www.maritimepartnersllc.com |
| Marquette Transportation Company | Paducah, KY; Mississippi River system & Gulf Intracoastal | https://www.marquettetrans.com |
| McDermott International | Houston, TX | https://www.mcdermott.com |
| McKinney Salvage | Port Arthur, TX; Southeast Texas, Southwest Louisiana | https://www.mckinneysalvage.com |
| MCM Marine | Sault Ste. Marie, MI | http://www.mcmmarine.com |
| Middle River Marine, LLC | TN; Tennessee, Cumberland, Ohio Rivers | https://www.middlerivermarine.com |
| Mississippi Marine | Greenville, MS | https://msmarine.net |
| Missouri River Towing | Hermann, MO | https://www.missouririvertowing.com |
| Neale Marine Transportation | Morgan City, LA; Gulf inshore/inland waterways | https://www.nealemarine.com |
| Next Generation Logistics, LLC | MS; Lower Mississippi, inland waterways | https://www.nglcompanies.com |
| NYS Marine Highway Transportation | Troy, NY | https://nysmarinehighway.com |
| O'Rourke Marine Services | Ithaca, NY; Northeast coast | https://www.msp.energy/marine-fuel/ |
| Osage Marine Services | MO; Missouri, Mississippi, Ohio Rivers | https://www.osagemarineservices.com |
| Pacific Maritime Group | San Diego, CA | https://www.pacificmaritimegroup.com |
| Parker Towing Company | Tuscaloosa, AL; Black Warrior, Tombigbee, Tennessee Rivers | https://www.parkertowing.com |
| Poling & Cutler Marine Transportation FL, LLC | FL; Florida coastwise, Southeast US | https://www.polingandcutlermarine.com |
| Posillico Inc. | Farmingdale, NY | https://posillicoinc.com |
| Reinauer Transportation | Staten Island, NY | https://www.reinauer.com |
| River City Towing Services | IL; Illinois River, Upper Mississippi | https://www.rctbarges.com/ |
| River Salvage Company | Pittsburgh, PA | https://www.riversalvage.com |
| Roen Salvage Company | Sturgeon Bay, WI; Great Lakes | https://www.roensalvage.com |
| Rushing Marine Service | LA; Gulf Coast inland waterways | https://www.rushingmarine.com |
| Ryba Marine Construction | Cheboygan, MI; Great Lakes | https://www.rybamarine.com |
| Salmon Bay Barge Line | Seattle, WA; Puget Sound, Pacific Northwest | http://www.sbaybarge.com |
| Samson Tug & Barge | Seattle, WA | https://www.samsontug.com |
| Sause Bros. Ocean Towing | Coos Bay, OR; Pacific Coast, HI, AK | https://www.sause.com |
| Savage Inland Marine | Salt Lake City HQ, UT; inland waterway terminals nationwide | https://www.savageservices.com |
| SENESCO Marine (Reinauer) | North Kingstown, RI | https://senescomarine.com/ |
| Settoon Towing | Pierre Part, LA; Gulf Intracoastal, Lower Mississippi | https://www.settooncapital.com/portfolio/settoon-towing |
| Shaver Transportation Company | Portland, OR; Columbia & Willamette Rivers | https://www.shavertransportation.com |
| Shore Offshore Services LLC | Houston, TX | https://shoreoffshore.com |
| Southern Devall | Memphis, TN; Mississippi system, Gulf Intracoastal | https://www.southerndevall.com/ |
| Sprague Energy | Portsmouth, NH; New England coast | https://www.spragueenergy.com |
| Stasinos Marine LLC | LA; Gulf Coast inland waterways | https://www.stasinosmarine.com |
| Stevens Towing Company | Yonges Island, SC; East Coast & offshore | https://www.stevens-towing.com/ |
| Superior Maritime Services | Weston, FL | https://superiormaritimesvcs.com |
| T & D Towing | Amelia, LA | https://www.tdtowing.com |
| Targa Transport, LLC | Houston, TX; Gulf Intracoastal, inland waterways | https://www.targaresources.com |
| Terral River Service | Natchitoches, LA; Red River, Atchafalaya, Gulf Intracoastal | https://www.terralriverservice.com |
| Tidewater Transportation & Terminals | Vancouver, WA; Columbia River system | https://www.tidewater.com |
| Trailer Bridge | Jacksonville, FL | https://www.trailerbridge.com |
| Triple S Marine, LLC | LA; Gulf Intracoastal, Lower Mississippi | https://www.triplesmarine.com |
| Turn Services | New Orleans, LA; Gulf intracoastal, Lower Mississippi | https://www.turnservices.com |
| Upper River Services LLC | Savage, MN | https://www.ursi.net |
| US Waterways Transportation LLC | KY; Ohio, Mississippi River system | https://www.uswtllc.com/ |
| Vane Brothers | Baltimore, MD | https://www.vanebrothers.com |
| VanEnkevort Tug & Barge | Escanaba, MI | https://www.vtbarge.com |
| Vitus Energy | AK; Western Alaska, Arctic | https://www.vitus-energy.com/ |
| Weeks Marine | Cranford, NJ; East & Gulf Coasts | https://www.weeksmarine.com |
| Wepfer Marine | Memphis, TN; Mississippi River system | https://www.wepfermarine.com |
| Western Rivers Boat Management | Paducah, KY | https://www.westernriversboat.com |
| Wood Towing | MS; Lower Mississippi | https://www.woodresources.com/towing/ |
| Yazoo River Towing | Vicksburg, MS; Lower Mississippi, Yazoo, Ohio, Tennessee Rivers | https://www.yazoorivertowing.com |
| Young Brothers (Saltchuk) | Honolulu, HI | https://www.htbyb.com |